The BMW X4 is a compact luxury SUV produced since 2014. It combines the utility of an SUV with a coupe-like design, positioning itself between the X3 and X5 in BMW’s lineup. This article breaks down the best and worst model years based on reliability, performance, owner complaints, and long-term dependability.

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BMW X4 Generational Overview
First Generation (2014–2018)
The first-generation BMW X4 debuted in 2014, offering xDrive20i, xDrive28i, xDrive35i, xDrive20d, xDrive30d, and xDrive35d variants. It featured a sporty, fastback design and was based on the X3 platform. Early models faced some reliability issues, particularly with electrical systems and drivetrain components.
Second Generation (2018–Present)
The second-generation X4 launched in 2018 with a refreshed exterior, new taillights, and improved handling due to a lowered ride height. It shared the CLAR platform with the X3 and X5. The 2021 facelift brought a new grille, updated headlights, and improved interior technology.
Best Years for the BMW X4
The most reliable BMW X4 years are those with fewer reported problems, better mechanical strength, and upgraded components.
2017 BMW X4
Fewer owner complaints and reliability issues compared to other years.
Improved drivetrain and engine performance with fewer recalls.
Owners report solid handling and fewer electrical gremlins.
2016 BMW X4
Slightly above-average reliability score from J.D. Power.
Fewer recalls and complaints, especially regarding infotainment and drivetrain.
Agile handling and robust engines.
2020 BMW X4
Modern features and strong reliability.
Minimal complaints and few reported issues.
Powerful engine options and intuitive infotainment system.
Worst Years for the BMW X4
Some model years have more frequent failures, recalls, and owner complaints.
2015 BMW X4
Multiple drivetrain issues, including unresponsive brakes and violent shuddering.
Timing chain problems led to a class-action lawsuit.
Higher repair costs and frequent trips to the mechanic.
2018 BMW X4
Mixed reliability reviews and interior quality complaints.
Some owners reported engine issues, such as a faulty eccentric shaft.
Higher repair frequency and warranty disputes.
Common Problems Across the BMW X4 Lineup
Electrical Issues
Electrical gremlins are a recurring issue, including battery problems, undervoltage warnings, and infotainment system malfunctions. These are most common in 2015–2017 models.
Engine Problems
Timing chain failures, especially in 2015 models, can lead to major engine damage. Some owners also report engine overheating and oil leaks.
Transmission Issues
Jerky gear shifts and transmission malfunctions are reported, particularly in early models.
Suspension or Steering Problems
Premature rear tire wear due to alignment issues and rough ride quality are noted in several years.
Fuel System Problems
Fuel leaks were reported in 2014 models, leading to recalls.
Reliability Breakdown by Year
2024 BMW X4
Reliability rating: 8.4/10. Few owner complaints and modern features. Expected lifespan exceeds 150,000 miles.
2023 BMW X4
Reliability rating: 8.4/10. Continues with strong engineering and few reported issues.
2022 BMW X4
Reliability rating: 8.4/10. Minor electrical issues reported, but overall dependable.
2021 BMW X4
Reliability rating: 8.4/10. Some electrical gremlins, but rare and usually resolved with sensor replacement.
2020 BMW X4
Reliability rating: 8.4/10. Minimal complaints and few major repairs.
2019 BMW X4
Reliability rating: 8.4/10. Similar to 2020, with a few electrical and infotainment issues.
2018 BMW X4
Reliability rating: 7.5/10. More complaints about engine and interior quality.
2017 BMW X4
Reliability rating: 8.4/10. Fewer problems, solid reliability.
2016 BMW X4
Reliability rating: 8.4/10. Few recalls and complaints.
2015 BMW X4
Reliability rating: 6.8/10. Multiple drivetrain and timing chain issues.
2014 BMW X4
Reliability rating: 7.0/10. Fuel leaks and early electrical problems.
Warranty & Ownership Costs
The BMW X4 typically comes with a 3-year unlimited mileage new vehicle warranty. Extended warranties are available, covering core components but excluding wear-and-tear items. Maintenance costs average $19,113 over the first 10 years, with a 56% chance of a major repair. Regular service at authorized dealerships is required to maintain warranty coverage.
Buying Guide: What to Look For
Best Value Years: 2017, 2020, and 2021 models offer the best reliability and lowest ownership costs.
Years to Avoid: 2015 and 2018 models due to frequent repairs and recalls.
Key Components to Inspect: Battery, timing chain, transmission, and electrical systems.
Expected Mileage Thresholds: 150,000–200,000 miles with proper maintenance.
Known Trouble Spots: Electrical issues, drivetrain, and interior quality in early models.
When looking at performance cars, make sure to check out our guides on models like the BMW X6, BMW 4 Series, BMW Isetta and BMW I8. Knowing which model years to target and which to avoid is crucial. Our expert reviews break down these models, providing insights into the years that are celebrated for their engineering excellence and driving satisfaction, as well as those that are best to avoid due to potential issues.
FAQs
Is the BMW X4 reliable?
The BMW X4 has a reliability rating of 8.4/10, with most years performing well except for 2015 and 2018.
What year of the BMW X4 is most dependable?
2017, 2016, and 2020 are considered the most reliable years.
What year should you avoid?
Avoid 2015 and 2018 models due to reliability issues and recalls.
What are the most common problems?
Electrical issues, timing chain failures, transmission problems, and fuel leaks.
How long does a BMW X4 last?
The average lifespan is 151,545 miles or about 14 years.
Conclusion
The best years for the BMW X4 are 2017, 2016, and 2020, offering strong reliability and fewer owner complaints. The worst years are 2015 and 2018, which have notable reliability issues and higher repair costs. Overall, the BMW X4 is a dependable luxury SUV, but buyers should prioritize later model years and inspect key components carefully.

