bmw z4 years to avoid

Some of them are listed below. The 2005 Z4 inherited most of the problems of the 2003 model and added a few of its own. Steering Problem The steering wheel of the BMW Z4 has several difficulties. The brakes sometimes felt like they had been activated without the drivers engagement and the steering wheel often proved difficult. This is the top reported problem for the 2003 model of the Z4. The N54 engine (used in the 335i) was available in the mid-year Z4 models, and it offered more power and better fuel economy. It suffered from wheel and brake issues, and was recalled 5 times. The 2003 model is riddled with problems but less severe than the 2007. Almost all BMW Z4 model years are reliable options, but well give you a quick list of the reliable years here: Overall, as long as you avoid the 2003 and 2007 releases, youre pretty much good to go when it comes to the BMW Z4. Often, drivers have had to recenter the steering wheel because of this issue and the loss of power steering. If youre considering purchasing a BMW Z4, its important to do your research so that you can choose the right model year. Drivers received a warning that indicated a melted PCV valve, which was a huge fire hazard.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'yourbmwblog_com-leader-1','ezslot_10',117,'0','0'])};__ez_fad_position('div-gpt-ad-yourbmwblog_com-leader-1-0'); The 2008 Z4 is the last vehicle of the first generation of this make. Though the vehicles from every generation have issues, if you must buy a used BMW Z4 series, it would be a great idea to stick to models of the third generation since they are more reliable. What Does DSC Malfunction Mean on a BMW? If youre ready to start shopping for a used car and reliability is a priority for you, take a look at our list of the top 10 most reliable used sedans on the market today. However, you might observe some minor issues with a few Z4 models, especially those that came out in the cars earlier years. Usually, when the mechanism has seized you can fix it on your own, but in some cases, you may need to take the vehicle to a mechanic to get the problem fixed. Prices vary based on the vehicle's . Standard suspension for enhanced ride comfort, a higher final-drive ratio for improved acceleration, new wheels, and increased braking functions for the stability control system modifications are all included in this edition. The BMW Z4 2005 model has 200 NHTSA complaints. It had many reported coolant and oil leaks, engine overheating, failed front control arm bracket bushings, and other engine problems that keep the check engine warning light on. Why Is Tesla Better Than Other Electric Cars? In general, RepairPal gives the vehicle a reliability rating of 3.0 out of 5.0, which means it has above average reliability compared to similar vehicles. A Complete Breakdown, CV Joint Replacement Cost: Everything You Need To Know, Here Are The Jeep Wrangler Years To Avoid, Toyotas Car Chip Shortage: What It Means For Automakers. Even when parked and its engine switched off, some of the 2005 Z4s airbags deploy randomly. Due to the complexity of removing and replacing brake lines, they can be costly. The biggest difficulty with this 2005 BMW Z4 car is that the steering sticks in place and is difficult to fix, which is exacerbated by hot weather. The most significant update was the iDrive system, which now had a touchpad screen that allowed drivers more flexibility in how they interacted with the car. Though the convertible top is one feature Z4 drivers use for flex, it is also a source of frustration for them. The roof mechanism was replaced several times by some of them, but the problem remained the same. I own and drive a Porsche for my daily tasks. The BMW Z4 is a good purchase, and its selling point is the extra room it has for tall drivers and passengers, plus more space for cargo. Continue with Recommended Cookies. In the case of an accident, the airbags have also been reported to fail to protect the passenger. Some of the issues include: The 2003 model of the BMW Z4 has been reported to have a sticky steering issue that makes it difficult for drivers to make corrections while on the road and slows reaction times, though not enough to create an extreme safety hazard. with this high-priced model for many years. The BMW Z4 is backed by a 4-year/50,000-mile bumper-to-bumper warranty. These are some of the most common problems with the BMW Z4. As an Amazon Associate, I earn from qualifying purchases. This is a model that has had the benefit of consistently effective performance since its release. On the contrary, there is hidden stress that could make you spend an average of $1,070 annually. That said, though, there are still more problems with older Z4s than with the more recent releases of this model. When you think of reliable luxury sports cars, the BMW Z4 is a typical example of one that is considered better than most luxury sports cars. An older Z4 will be a cheap find in the used car market and you can expect it to become a future classic. Be sure to do your research before investing in this model to make an informed decision and enjoy all the benefits of owning one of these fantastic vehicles. (Explained), Which BMW X3 Years to Avoid and Why? Under highway speeds, some Z4 steering wheels stick, becoming cumbersome to handle. If you wish to buy your used BMW Z4 online, TrueCar has 46 models available to buy from home, allowing . The 2013 BMW Z4 is the least expensive of the bunch, but it still offers great performance and luxury in one package. Depreciation is the difference between the original sales price, and what the vehicle will be worth in the future. By avoiding the 2003, 2005, 2006, 2007, and 2008 model years of BMW Z4 automobiles, youll be able to better your chances of finding a reliable car with fewer potential problems down the line. The issues were with the steering, brakes, engine, body/paint, and suspension. $72,510. The Z4 Roadster is available in two engine variants. It has a single-piece aluminum frame powered by an inline six-cylinder engine with manual or automatic transmission. Replacing the handles costs about $20, while a new door latch could cost as much as $100. Many technology features are available, including Apple CarPlay and Android Auto, Wi-Fi hotspot capabilities, adaptive cruise control, and a lane departure warning system. The electric power steering system may fail on some Z4s manufactured between 1 November and 31 December 2011. This is a model that has had the benefit of consistently effective performance since its release. CoPilot doesnt work with dealerships, so there are no sponsored posts or other shady practices just the most info on the best cars. Its important to note, though, while these problems are the most common issues with this model, they are still relatively low prevalence, and most vehicles will not have these issues, even from the BMW Z4 years to avoid. Serif is a seasoned automotive enthusiast with a passion for cars. The issue was linked with electrical power plus stalling. Also, ensure that you get all the spark plugs, the filters, the fluids, and other components changed. These models are reliable and efficient. I am also an avid car driver. It got recalled two times. is not affiliated with nor endorsed by BMW Group or any manufacturer mentioned herein, unless explicitly noted otherwise. The BMW Z4 is an excellent vehicle. "At 10 cubic feet, the trunk of the Z4 isn't huge, but it'll swallow luggage for two for a quick weekend road trip." -- Car and Driver. There isnt much information on how much these faults cost to remedy. While this isnt a major concern, it can still make specific Z4 models trickier than usual when youre behind the wheel. The exterior of the Z4 is sleek and modern with its soft contours and two doors. If the BMW Z4 is well-manufactured and constructed, it will likely have fewer problems down the line. (Explained), Which Porsche Cayman Years to Avoid and Why? CoPilot is built using the same technology that dealerships use to buy and sell their inventories, so we have more info on each vehicle than competitors. Overall the BMW Z4 is a great option for those seeking a luxury sports car with performance capabilities and modern amenities. Here Are The BMW Z4 Years To Avoid. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[336,280],'wvdot_com-large-leaderboard-2','ezslot_8',823,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-large-leaderboard-2-0');NHTSA received several complaints concerning the Z4 2011 model and was subjected to four different recalls. Do your research before buying any used car, no matter the make or model, and pay attention to . There are no years or models to really avoid as it's the same basic car end to end aside engine change at facelift time. Shop and buy your next car with confidence. The first generation of the BMW Z4 series continued in 2005 until 2009. Sometimes they also heard a cracking noise when driving in reverse. Ford Flex is a standard SUV 4WD. MSRP. Therefore, because the automaker corrected the errors associated with the first generation, this car model had fewer complaints. I spend my mornings and evenings catering to clients at my very own software hub. The grill on the front of some Z4s sometimes comes loose when the front bumper moves. Its highly recommended that you check for this issue before purchasing a Z4, as fixing it will require extensive work. Usually, getting stuck open is a bigger problem than getting stuck closed, but both are frustrating. The problem isnt something that most drivers have problems overcoming, but its severe enough that it can slow your reaction times or make it harder to correct while youre driving. The newest model, the G29, was released in 2019 and featured a lightweight design, a powerful engine, and advanced technology. It was particularly inconvenient for most 2003 Z4 drivers. Furthermore, certain models may prove to be more reliable than others due to differences in engine size or transmission type. People do tend to get the Z4 even today and its coupe version is considered by many to be a future classic. If youre looking for a used BMW Z4, the best years to buy are 2009-2011. A robust powertrain and either a standard six-speed manual or six-speed automatic in the base model ensure that this roadster achieves the best fuel economy of all models so far. Building Trust In The Automotive Sector: The Edelmans 2011 Trust Barometer, Who Is Jack Harvey? Ehh, a Z4 M may be a much better choice for you. Overall, the BMW Z4 is considered to be a reliable vehicle choice as long as it has been properly maintained and cared for throughout its life. In some cases, this caused the airbags to deploy randomly without cause, creating an unneeded safety hazard. Thus, there were some wear-and-tear and mileage issues as well. It also has driver assistance systems that help keep drivers safe in any situation, including automatic emergency braking and active blind spot detection. Lets take a closer look at the BMW Z4 years to avoid the most common problems with the Z4 and which models tend to be more reliable overall. Among the issues associated with the model includes problems with the brake, wheels, and engine. This means that a three-year old 3-Series will cost you nearly $4,000 per year in lost value alone. However, it wasnt a good sendoff due to some overheating problems encountered by its owners. Fixing the leakage cost about $700 because parts like the upper and lower hoses had to be replaced, asides from flushing the system and replacing the coolant. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'yourgreatcar_com-leader-2','ezslot_6',628,'0','0'])};__ez_fad_position('div-gpt-ad-yourgreatcar_com-leader-2-0');Under the hood, it still had the N54 engine that many drivers have come to respect. 2008 BMW 5-Series. Expert advice on car parts, maintenance, and repair. We and our partners use cookies to Store and/or access information on a device. So, lets say that you want one, which are the BMW Z4 years to avoid? 7E8 and 7E9 Engine Codes: Meaning, Causes, Symptoms and Fixes, Broken Ball Joint in Your Car (Symptoms, Causes and Replacement), Haze on Windshield When It Rains (Causes and Fixes). However, the 2005 model had its own issues. The other complaint linked with this 2007 model is that the car is costly and requires a high maintenance budget.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'wvdot_com-medrectangle-4','ezslot_6',813,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-medrectangle-4-0'); BMW Z4 2008 was the last car of the first generation of this model. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Another dangerous fault with this car is a bad electronic power-assist system. The Z4 is also one of the oldest BMW models on the market. The following tells you why you need to avoid these years with a bit of background. Audi A1 Vs. Mini Cooper: Which Car Is Better? This is a dangerous problem as it increases the probability of a crash if your vehicle stalls unexpectedly. It has a single-piece aluminum frame powered by an inline six-cylinder engine with manual or automatic transmission. It is also worth noting that certain models may be more reliable than others due to differences in engine size and transmission type. When making a turn, owners of the afflicted models have reported feeling a gripping sensation from the steering wheel. This car model was also vulnerable to electrical errors. If you plan to get a used BMW Z4, just keep in mind that you dont buy one of the aforementioned models. All-season tires vs all-weather tires which set to choose? If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Your email address will not be published. If youre looking for an affordable yet high-performance convertible, then the BMW Z4 is certainly worth considering. According to EPA estimates, the combined fuel economy is 26 mpg (22 city/34 highway), while opting for an automatic will lower your highway mileage by 1 mpg. Below are the common issues that can appear on the BMW Z4. Save my name, email, and website in this browser for the next time I comment. If youre looking for a used BMW Z4, this one should be on the top of your list. However, the issues with wheels and hub arent as costly or dangerous, but theyre frustrating to deal with and normally occur after covering around 37,405 miles.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[336,280],'wvdot_com-banner-1','ezslot_9',881,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-banner-1-0'); Moreover, the issue with the service brake is very dangerous, and its costly to fix. This coverage is typical of a luxury sports car. You have an oil leak if you notice white smoke from under the hood, visible oil leaks when you sit by the passenger side or a burning oil smell. Model . Overall, while not a serious safety issue, this is one of the more annoying problems with the Z4 for owners. If you maintain it correctly, you can make it last beyond 200,000 miles until the engine finally starts giving way to wear. Although both issues are frustrating, getting stuck when an opening is a bigger issue than when closing. Both vehicles with a history of accidents, and vehicles with a perfect track record, have this issue. However, some specific years or models have more problems than others despite their reliability. The BMW Z4 is worth its price. However, there is still an error that might make you avoid the 2011 Z4. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. A BMW Z4 will cost about $13,999 for maintenance and repairs during its first 10 years of service. 2010 was the last year of the second-generation Z4, and it saw few changes. The Acura RDX is a stylish crossover SUV, Read More Which Acura RDX Years to Avoid and Why? The Z4 roadster is a sporty two-seat convertible that comes with a 2.0-liter turbo four-cylinder that delivers punchy acceleration, an invigorating exhaust sound, and good fuel economy. It is good-looking, agile, and has been a key part of many collectors garages for several years. Depending on trim level, customers can opt for either a turbocharged 2.0-liter four-cylinder that produces 255 horsepower or a turbocharged 3.0-liter inline-six engine with 382 horsepower. So while it cant compete with the Porsche Boxster, its still an excellent option for those who want the feel of a sports car but dont want to spend too much. The exterior of the Z4 is sleek and modern with its soft contours and two doors. However, it didn't do much for the Z4 brand as it generated many complaints and 4 recalls. Each year brings new features and improved handling, making it one of the best sports cars on the market today. 4-Year/50,000-Mile Warranty. Additionally, forums dedicated to specific makes and models can provide firsthand information from people who own and drive such vehicles on a regular basis. Depreciation is difficult to avoid, but it can be managed. Moreover, in 2017, over 700,000 cars melted their PCV valve, making them susceptible to fire. There were also a few reports of transmission problems in manual-transmission cars from 2003. If youre seeking to buy a used BMW Z4, keep reading to find out which versions you should avoid! Knowing what BMW Z4 years to look out for can help ensure that youre getting a reliable car with minimal problems. The classic sports car is roomy for a sports car, accommodating most heights that other vehicles in its league cannot. Take its data from Repair Pal for example, based on all of the data it has received since the cars inception, the site has given the Z4 an overall reliability rating of 3 out of a possible 5. Looking at the Z4, youll probably be surprised by how few years to avoid there are. We use 5 years as an example in our analysis. Some of them are listed below. This thrilling sports vehicle has a fantastic folding roof. You must address this issue as quickly as possible, so you do not risk damage to your HVAC system, radiator, engine, and other parts. CoPilot Compare breaks down pricing and feature differences between BMW Z4 years so you can find the sweet spot between value AND reliability. Personally I'd go for a 2.5 of any year you can find. The BMW Z4 is an iconic sports car that has been in production since 2002. (Explained)Continue, As an Amazon Associate, I earn from qualifying purchases. Watch out for red flags such as coolants leaks. HOW MANY SPARK PLUGS DOES A DIESEL ENGINE HAVE? how many spark plugs a diesel engine actually has, CoPilot Compare is the search engine for nearly-new cars, Are Volkswagens Reliable? Although this isnt a serious safety problem, it annoys the owners.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'wvdot_com-mobile-leaderboard-1','ezslot_16',891,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-1-0'); Since you may have engine coolant leak experienced from the expansion tank, the engines for 2003-2005 plus 2008 Z4 model overheats. The new BMW Z4, which debuted in 2009 and was carried over to 2010, is a little more conservative than previous models. Moreover, it also has a standard suspension for an improved ride plus comfort, new wheels, improved braking functions for enhanced stability, control system improvement, and a bigger final-drive ratio for enhanced acceleration this year. After an excellent spell of excellence, 2016 brought its problems. The Z4s mainly reliability and ride quality, as well as operating costs, that drag the total score down. Of the BMW Z4 years to avoid, the 2016 model is probably the most effective and best overall option. There have been reports of coolant leaks, especially in the 2003 to 2005 Z4 models. This post contains affiliate links. How Do You Use a Wheel Stud Installer Tool? Therefore, steer clear of the 2003, 2004, and 2005 models because they have more issues reported than other years. The Lexus RX 350 is a popular Lexus, Read More Which Lexus Rx 350 Years to Avoid and Why? 2023 BMW Z4 trims; 2022 BMW Z4 trims; 2021 BMW Z4 . This is because nobody wants to be caught without protection in the middle of a car crash as your life largely depends on luck and functional safety measures. Underneath the hood of the Z4 is an array of powertrain options. Required fields are marked *. If not fixed immediately and properly, it can lead to a crash. For example, it had side impact airbags, anti-lock brakes with brake assist, stability control, and traction control that came standard on the Z4. A widely reported BMW Z4 issue is a sliding steering wheel. As such, if you must buy this car, there are a few years that you might want to avoid. You should avoid the 2007 model to reduce your chances of facing this problem as they are more susceptible to developing it. Yes, the BMW Z4 is worth looking at. As such, researching before your purchase can ensure that you get the most out of your vehicle for many years. In conclusion, the BMW Z4 is a reliable and attractive choice for anyone who is looking for a stylish, powerful car with great performance. However, one of the most notable changes was an updated engine. Other owners replaced them numerous times, but the issue remained the same. Know how and what you can negotiate. When you shop for a new or used car, CoPilot helps you know more. The model year 2007 had a major problem with its airbag sensors, which would activate at random despite there being no actual danger. Even though there are some drawbacks associated with these models years, they often have minor issues that are easily managed or fixed without too much trouble. These models have fewer problems and less costly repairs. When it comes to choosing a used BMW Z4, there are several years that stand out as being particularly good choices. The sports car towers above the competition and is easily one of the most reliable and safer sports cars you can find on the market. (Explained)Continue, As an Amazon Associate, I earn from qualifying purchases. This vehicle is fairly priced, and its enjoyable to drive. Depreciation: One issue with BMWs is that they depreciate a lot. Some other factors to consider when researching used Z4 models is: The new Z4 is a great car, but its essential to do your research before buying it. After getting home, I dedicate a few hours of my time to creating an article every day. Tire number meaning why do tire numbers matter. CoPilot Compare is the search engine for nearly-new cars. Another common issue people are seeing from the Z4 has to do with the convertible top. By FathersGarage. Research the BMW Z4 and learn about its generations, redesigns and notable features from each individual model year. In addition, the automaker also updated the interior with a center console while also updating the steering wheel design and instrument panel. EVERYTHING WRONG WITH MY BMW Z4 AT 100,000 MILES The Test Drive 23.5K subscribers Subscribe 1.2K 107K views 3 years ago Watch to see all of the issues I have with my E85 BMW Z4 at 100,000. 2022 BMW Z4sDrive M40i Convertible. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'yourgreatcar_com-large-mobile-banner-1','ezslot_4',613,'0','0'])};__ez_fad_position('div-gpt-ad-yourgreatcar_com-large-mobile-banner-1-0');After hearing some pointers from previous owners, BMW updated the powertrain giving rise to the Dynamic Drive Control. Another reason to stay away from this model year of the Z4 is that it has already received seven NHTSA complaints and three recalls in the short period since its sale. The BMW Z4 is an impressive car with superb dependability and exciting performance. It has also earned positive reviews from automotive magazines and owners alike for its performance and build quality. That's thousands of dollars less than the price of a 2016 Porsche Boxster or 2016 Chevrolet Corvette . When you need to purchase the BMW Z4 series, its good to stay away from this years model because of the issues with reliability and safety, which are costly to fix. Has the S54 engine, or otherwise known as the same engine in the E46 M3 (known as one of the best M's ever made, or maybe so I think because I own one :P), much sportier than an average Z4, and will hold its value far better than any other Z as well, and it could even be more reliable as M owners generally take better care of their cars - a lot . "The trunk even has space for all of your stuff (9.9 cu. In addition to these things, there were also complaints about the cars electrical system, including issues with windows. This is one of the most serious complaints with the Z4 and is more specific to the 2007 model year than the other problems on this list. Its repair is inexpensive, costing no more than $80, including labor. Among the large number of cases picked up by the NHTSA, the most concerning issues were related to problems with the steering, the fuel and the cooling setups. This system used electronically controlled steering, brakes, and independent front and rear suspension. BMW Z4 Years You Should Avoid Looking at the Z4, you'll probably be surprised by how few years to avoid there are. However, if neglect or poor upkeep has been an issue, problems that require costly repairs or replacements can occur. With enough power to thrill fun-seekers and enough safety features to suit the safety-conscious, it's easily one of BMW's most reliable models. Third, if youre looking for a comfortable ride with excellent handling, go for the 2011 model, as it has the Dynamic Drive Control system. But other than that, most of the changes were under the hood. These two models have been operating with fewer problems and superb performance. Inspect the cooling system since BMW Z4s are prone to coolants leaks in various locations. November 6, 2018. The 2006 to 2008 models contained a mix of 2003 and 2005 problems, with most of them having the same severe issues the 2005 model had, except the 2007 model. However, since the older models are performing well even today, you might want to consider a 2004, 2006, or 2008 model. In addition, with proper maintenance, it is likely to provide good long-term reliability over its lifetime. The answer to this question isnt as simple as youd expect. The cause of this problem is the steering column malfunction. It has 18-inch wheels standard or 19-inch wheels available as an upgrade. Youll be spending a lot on repairs according to the consumers online. Plus, it is literally the oldest Z4 out there so you can expect a lot of mileage and wear-and-tear. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'wvdot_com-mobile-leaderboard-2','ezslot_17',831,'0','0'])};__ez_fad_position('div-gpt-ad-wvdot_com-mobile-leaderboard-2-0');Another predominant Z4 problem is corrosion and rust at the braking lines. Whether youre looking for a weekend toy or a daily driver, the Z4 is sure to impress. BMW 335i is another notable and well-received creation, Read More Which BMW 335i Years to Avoid and Why? Only see cars five years or newer with low mileage CoPilot Compare is the best way to find off-lease, early trade-in, and CPO cars. All BMW Z4 trims by year. A punchy acceleration, an energizing exhaust sound, and excellent fuel efficiency are the primary things you should expect from the BMW Z4. With any vehicle purchase, ensuring that you are getting both value and reliability is key. Here are some of the most common faults with the Z4 throughout the model years 1. A BMW Z4 will depreciate in value by $28,712 after 5 years. Now that you know which BMW Z4 years you should avoid, we can look at which Z4 years you can purchase, either new, used, or pre-owned. The 2010 BMW Z4 is a thrilling sports car with a fantastic folding top, but inside space is limited and the price is high. As an Amazon Associate, I earn from qualifying purchases. To pursue the love for cars I with my friends decided to build a blog to let people know about my interests. This determines how much wear and tear it has experienced over its lifetime and any potential problems that may have developed with certain components or systems. . The Z4 M40i packs a 3.0-liter BMW M TwinPower Turbo inline 6-cylinder gasoline engine, for a breathtaking 382 hp and 368 lb-ft of torque. Therefore, if you are considering a BMW Z4, it is definitely worth considering for its dependability and overall value. The Z4s interior features luxurious materials such as leather upholstery, metal accents, and wood trim to provide occupants with a comfortable and classy environment. Here are other articles about BMW that you may enjoy: BMW vs. Mercedes: Which Is Better in 2022? The BMW Z4 is a rather underrated sports car, considering how agile and good-looking it is. So, try to make preventative maintenance a priority for a great ownership experience. If you own any Z4 model between 2003 to 2008, keep an eye out for this problem. BMW Z4 Roadster (E85) 2006 - 2009 With an exterior look created by a Danish designer, the Z4 was fun to drive and affordable compared to other competitors in its class. Purchases made through links on our site may earn us a commission. Via BMW Blog Misano Blue Metallic. . This BMW Z4 model debuted in 2009 and carried to 2010 is more conservative than the previous models. The BMW Z4 has 9.9 cubic feet of trunk space, which is about average for the luxury sports car class . When left untethered, this issue can spiral out of control and cause life-threatening accidents. Several owners of the Z4 models complain about their vehicles having defective roof mechanisms and rust. The automaker updated the engines in this iteration, but unfortunately, this didnt mean that the car became more reliable.