The engine shows good overall reliability with a risk score of 5.0 out of 10. This indicates a generally dependable diesel with a few known weak points. The single documented issue is higher severity but manageable when identified early and addressed promptly.
BMW B57
B57 Engine
The B57 is a diesel engine manufactured by BMW. It has a displacement of 3.0 liters. Production started in 2015 and is ongoing.
Typical Use Cases
- BMW 3 Series (G20): 2019–Present
- BMW 5 Series (G30): 2017–Present
- BMW 7 Series (G11/G12): 2015–2022
- BMW X5 (G05): 2018–Present
- BMW X6 (G06): 2019–Present
This overview summarizes the reliability of the BMW B57, including common issues and cost drivers.
Technical Specifications
Manufacturer
BMW
Fuel Type
Diesel
Displacement
3.0 L
Production
2015–Present
Power Output
218 hp
Emissions
Euro 6, Euro 6d
Reliability Analysis
Recommended
Autoscore Verdict
Recommended. The risk score of 5.0 suggests a solid choice with manageable EGR-related risks.
Risk Score
5
out of 10
Common Problems & Weak Points
| Issue | Typical Mileage | Repair Cost (Est.) | Severity |
|---|---|---|---|
| EGR Cooler Leaks | ~110,000 km | €700 – €1400 | High |
EGR Cooler Leaks
Some B57 engines experience EGR cooler leaks that cause slow coolant loss and fault codes. This is a medium-probability issue that usually appears around 110,000 km. Repair costs typically range from 700 to 1,400 EUR. Monitoring coolant level and confirming any EGR-related service history reduces the risk of surprises.
Typical Mileage: 110,000 km
Cost: €700–1400
Buyer's Inspection Checklist
- Ask for records of any EGR cooler replacements or warranty campaigns.
- Check coolant level and look for warning lights related to emissions or EGR faults.
- During a test drive, ensure the engine warms up normally without overheating or fluctuating temperatures.
- Review service intervals for DPF maintenance, especially on high-mileage cars.
Frequently Asked Questions
Is the B57 engine reliable?
The B57 has known weak points, but with good maintenance the reliability is solid. See the risk analysis and common problems for specifics. Start a report for a specific car.
How expensive are typical repairs?
Common repairs fall into a mid-range cost band depending on the issue and workshop. Check the cost ranges in the table. Use the used car report for specific listings.
Which model years are best for this engine?
Newer production years often include technical updates. Review the production years and revisions in the specs. Use Car Check for quick screening.