BMW 4 Series Problems, Common Complaints, Nagging Issues and Fixes

Patrick Oziegbe
Updated On:

When you’re considering a BMW 4 Series, it’s important to be aware of potential issues that may arise.

This stylish coupe, known for sharing most components with the 3 Series sedan, can occasionally encounter common problems.

We’ll cover some of these issues, giving you a better understanding of what to watch out for when owning a BMW 4 Series.

By being informed about these matters, you’ll be better prepared to address them as an owner, ensuring your BMW 4 Series remains in great condition. With this knowledge, you can enjoy driving your BMW with confidence and peace of mind.

BMW 4 Series issues

Series-Wide Issues

Software and Electrical Problems

One issue that you might face with the BMW 4 Series is related to its software and electrical systems.

Some owners have reported Electrical System Problem in their cars. It’s essential to be aware of potential software glitches or electrical issues, so you can address them promptly if they occur in your 4 Series.

Rust and Paint Issues

Another area where you might encounter difficulties with the BMW 4 Series is rust and paint issues.

Although not a widespread problem, it’s always a good idea to inspect the vehicle for any signs of rust or paint damage, particularly if you are considering a used model. Regularly cleaning and waxing your car can help prevent rust formation and keep it looking sharp.

Brake Failures

While the BMW 4 Series offers impressive performance and handling, some owners have reported brake failures.

Although the 2021 BMW 4 Series has been recalled five times by NHTSA for various reasons, it’s essential to stay informed about any recalls affecting your car, especially those related to essential components like the braking system.

To ensure your safety and the performance of your BMW, always have your brakes inspected and serviced by a qualified technician.

Check out this BMW M4 vs M3 comparison based off style, design, performances and prices. As well BMW 4 series length Vs 3-series length!

Model Specific Issues

330i and 330i xDrive Problems

In the 330i and 330i xDrive models, you may experience issues with the interior trim and build quality. Ensure that everything seems properly fitted and well-built inside your vehicle.

Additionally, software glitches have impacted the performance of the infotainment systems in some instances. Make sure to keep your software up to date to avoid these issues.

M340i and M340i xDrive Issues

For M340i and M340i xDrive owners, be aware of potential suspension concerns. Drivers have reported feeling unstable or uncomfortable, especially when driving at higher speeds.

Monitor your car’s suspension components for signs of wear and consider getting any necessary repairs done.

M3 Troubles

In M3 models, there have been several recalls under the National Highway Traffic Safety Administration (NHTSA) campaign.

For example, in one campaign, the NHTSA reported that seat belts may not tighten properly, posing a risk to occupants.

Check your vehicle safety hotline by using the NHTSA campaign ID number and your VIN to see if your car is listed under any recalls.

330e and 330e xDrive Difficulties

Lastly, the 330e and 330e xDrive models may experience some software-related setbacks as well. Keep a lookout for error codes or dashboard warning lights pertaining to the hybrid system.

Stay up to date with your vehicle’s software updates to minimize the risk of glitches.

Overall, it’s essential to monitor your BMW 4 Series’ performance and address any problems promptly to enjoy the best driving experience possible.

Warning Lights and Indicators

Your BMW 4 Series has various warning lights and indicators to inform you of potential issues. When the low fuel light appears, it’s time to refuel. If you see the check oil light, you should add a quart of oil.

The tire pressure monitoring system (TPMS) will illuminate in orange if your tire pressure is low. Similarly, watch for your fog lights indicator, signaling that they’re on.

If the lane-keeping assist feature is active, a specific indicator will display. The automatic shift lock indicator ensures gear changes are smooth, while the ABS (anti-lock braking system) warning light signals potential issues with your brakes. Stay aware of your BMW’s signals for a safe and enjoyable drive.

Common Complaints

Airbag Issues

Some BMW 4 Series owners have reported airbag issues. This includes malfunctioning sensors, causing the airbag warning light to stay illuminated. If you encounter this, contact your dealer or BMW customer service to have it inspected.

Fuel Pump and Oil Leaks

Occasionally, there have been complaints about fuel pump and oil leaks in the BMW 4 Series. Keep an eye out for these issues, especially in older models. Regular maintenance and inspections can help detect and fix these problems early.

Electrical and Electric System Failures

In some cases, BMW 4 Series owners have faced electrical and electric system failures. This may affect features like your surround-view camera system and other technology inside your sporty luxury coupe. Be sure to address any electrical issues immediately to avoid potential hazards.

Squeaking Noises

Lastly, a few owners have mentioned squeaking noises coming from their BMW 4 Series, particularly in sporty trims.

These noises can be bothersome, but they’re usually harmless. If you’re concerned, have your vehicle checked out by a professional.

To enjoy your BMW 4 Series to the fullest, stay proactive in maintaining your car and addressing any potential issues.

Remember that regular inspections and maintenance can help detect and fix common complaints early on, ensuring your luxury coupe performs at its best.

4 Series Years to Avoid

When looking for a used BMW 4 Series, it’s essential to be aware of certain model years that might be best to steer clear of due to possible issues or lower reliability.

This section will help you identify the years for which avoiding a 4 Series might be a wise decision. The primary year to avoid while considering a BMW 4 Series is:

  • 2014

The 2014 model year is one to avoid based on reliability records and owner satisfaction ratings. This particular year doesn’t offer the technical advancements and reliability of newer models, making it a less favorable choice.

While looking for your ideal pre-owned BMW 4 Series, it’s always a good idea to carefully review and research each model year’s specifics, performance, and individual features to find the best fit for your needs.

Comparing with 3 Series

You might wonder how the BMW 4 Series compares to its close sibling, the 3 Series. While both share many components, like engines and their rear-wheel drive system, they cater to different preferences.

The 4 Series has a sleeker design in a two-door coupe, whereas the 3 Series offers more space for cargo, with 16.9 cubic feet in the sedan’s trunk.

When it comes to performance, both have similar stats – but driving a 4 Series might feel a bit faster! Lookup these 3 Series bad years to avoid and unique issues of those models.

BMW 4 Series Competitors

Genesis G70

The Genesis G70 is a great alternative if you’re looking for a luxury sports coupe. Similar to the BMW 4 Series, it offers a comfortable ride and powerful engine options to choose from.

However, the G70 interior stands out with its premium materials and user-friendly tech features. You may also find the Genesis coverage and warranty more appealing than BMW. We listed and explain specific problems of Genesis GV70 models years.

Audi A5

Moving on, the Audi A5 presents a compelling option with its elegant design and all-wheel drive (AWD) system.

This competitor offers a smooth ride and upscale cabin, similar to the BMW 4 Series. But, the A5 has a superb balance of performance and fuel efficiency, which can be an advantage for some drivers.

Lexus RC

Consider the Lexus RC for its striking design and reputation for reliability. Like the BMW 4 Series, it emphasizes comfort and luxury.

The Lexus RC provides a serene driving experience, although its performance may not quite match the BMW. Additionally, its infotainment system can be less intuitive than the one in the BMW 4 Series.

Infiniti Q60

Lastly, the Infiniti Q60 stands out in terms of design and offers a lower starting price than the BMW 4 Series.

Both vehicles provide engaging handling and potent engine options. However, the Infiniti Q60 lags behind the BMW in terms of infotainment technology and interior quality.

In summary, each competitor has its strengths and weaknesses when compared to the BMW 4 Series. As you explore your options, take into account how these differences align with your preferences and priorities.

Frequently Asked Questions

How reliable is the 440i?

The BMW 440i is considered a reliable vehicle. However, like any car, it might experience some issues. For more information about the 440i reliability, check out this reliability report.

Any recalls on 4 Series?

Yes, there have been some recalls on certain 4 Series models, including issues with the crankshaft sensor in some examples built from 15 May to 7 June 2018.

It is always a good idea to check for recalls on your specific vehicle and ensure it is up-to-date on repairs.

Most common 420d issues?

Some common issues with the 420d include problems with the keyless entry system, light switches, tail lights, wiper motors, and wiper fluid level sensors. These issues, however, are not typically present in all 420d models. You can learn more on the Life on Four reliability report.

Best 4 Series for reliability?

While individual preferences may vary, the BMW 4 Series has a strong reputation for reliability across its range. It’s essential to research and test drive models to find the best fit for your needs and preferences.

Issues with 4 Series Gran Coupe?

There have been some reported issues with the 4 Series Gran Coupe, but they are not widespread. As with any vehicle, it’s crucial to maintain proper maintenance schedules and address any issues as they arise. Be sure to check out Consumer Reports for more information on 4 Series Gran Coupe reliability.


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