BMW 4 Series reliability: how dependable is it really?
What BMW 4 Series owners actually report, by year, plus what MOT data tells us about its reliability.

The BMW 4 Series is generally regarded as a reliable vehicle, offering a blend of performance and luxury. However, its dependability can vary by model year, with some years showing more issues than others. Understanding these nuances can help potential buyers make informed decisions.
Overview of BMW 4 Series Reliability
The BMW 4 Series, introduced in 2013, has garnered a reputation for solid engineering and performance. However, reliability can fluctuate based on the specific model year and engine options. Overall, many owners report satisfaction with their vehicles, but some years have faced more challenges than others.
The Honest John reliability index suggests that while the 4 Series holds its own in the luxury coupe segment, certain models may encounter common issues. Factors such as engine type, technology features, and maintenance history play significant roles in overall dependability.
2013-2015: Early Models and Initial Concerns
The first generation of the BMW 4 Series, produced from 2013 to 2015, experienced some reliability concerns, particularly related to electronic components and engine performance. While many owners enjoyed their vehicles, reports of minor faults were not uncommon.
Issues reported during this period included problems with the infotainment system and occasional engine misfires. However, these concerns were generally manageable and did not deter many buyers. Regular servicing and attention to software updates can mitigate some of these early issues.
2016-2018: Improvements and Enhanced Reliability
The 2016-2018 models of the BMW 4 Series saw improvements in reliability, with many owners reporting fewer issues compared to earlier years. BMW addressed some of the common faults that plagued the initial models, resulting in a more dependable vehicle.
The introduction of updated technology and improved engine options contributed to this enhanced reliability. Owners noted that the newer models offered better fuel efficiency and performance, making them a more attractive option for those seeking a luxury coupe without compromising on dependability.
2019-2021: A Shift Towards Dependability
As the BMW 4 Series evolved into its later years, the 2019-2021 models demonstrated a marked shift towards greater reliability. The incorporation of advanced engineering and quality control measures led to a reduction in reported faults.
During this period, the vehicles benefitted from updated safety features and improved infotainment systems, which were generally well-received. The DVSA MOT data indicates that these models have performed admirably during inspections, further solidifying their reputation for reliability.
2022 Onwards: The New Generation and Future Outlook
The latest generation of the BMW 4 Series, launched in 2022, continues to build on the dependability established by its predecessors. With a focus on sustainability and advanced technology, these models are designed to meet the demands of modern drivers.
Early reports suggest that the 2022 model has maintained the brand’s commitment to quality, with few significant issues reported. As with any new model, it is essential to monitor ongoing reliability feedback as more vehicles hit the road and accumulate mileage.
Maintenance and Care: Key to Reliability
Regardless of the model year, regular maintenance plays a crucial role in the reliability of the BMW 4 Series. Adhering to the manufacturer’s service schedule can help prevent common issues and extend the vehicle’s lifespan.
Owners should pay particular attention to the engine oil, brake fluid, and coolant levels, as well as ensuring that software updates are performed. Investing in quality parts and using authorised service centres can also contribute to the overall dependability of the vehicle.
Owner Experiences: Real-World Reliability
Owner feedback is invaluable when assessing the reliability of the BMW 4 Series. Many drivers report positive experiences, highlighting the vehicle’s performance, comfort, and overall driving pleasure. However, some have noted specific issues, particularly with older models.
Common concerns include electronic glitches and wear on certain components, such as suspension parts. While these issues can arise, many owners emphasise that regular maintenance and prompt attention to minor faults can significantly enhance the vehicle’s reliability.
The BMW 4 Series remains a popular choice among luxury coupe enthusiasts, and understanding its reliability across different model years can aid potential buyers in making informed decisions.
Frequently asked questions
How reliable is the BMW 4 Series compared to other luxury cars?
The BMW 4 Series generally ranks well in reliability compared to other luxury vehicles. Many owners report a positive experience with minimal issues over time.
What common problems should I look out for in a used BMW 4 Series?
Common issues include electrical faults, problems with the cooling system, and wear on suspension components. It's advisable to have a thorough inspection before purchasing.
Are BMW 4 Series expensive to maintain?
Maintenance costs for the BMW 4 Series can be higher than average, especially for parts and servicing. Regular maintenance is essential to keep it running smoothly.
What is the warranty coverage for a new BMW 4 Series?
A new BMW 4 Series typically comes with a three-year warranty, covering most repairs and defects. Extended warranties may also be available for added peace of mind.
How does the BMW 4 Series perform in reliability surveys?
The BMW 4 Series often scores well in reliability surveys conducted by various automotive organisations. Owners frequently highlight its performance and build quality.
Is the BMW 4 Series a good choice for long-term ownership?
Many owners find the BMW 4 Series to be a solid choice for long-term ownership due to its durability and driving experience. Regular servicing can enhance its longevity.
What should I consider when buying a second-hand BMW 4 Series?
When buying second-hand, check the service history, look for any signs of wear, and consider having a pre-purchase inspection. This can help avoid potential reliability issues.
Do BMW 4 Series models have good resale value?
The BMW 4 Series tends to hold its value well compared to some other luxury brands. Factors such as condition, mileage, and service history can influence resale value.
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Sources
DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.