BMW Knowledge Base

Technical articles, diagnostic guides and deep dives into problem BMW components.

951 articles in the base · updated regularly

All Cooling System 22 OBD-II Diagnostics 34 Transmission 16 Buying Guide 60 Engine Mechanical 377 Car Overview 327 Maintenance 47 Suspension 1 Electrical System 24

Model:

All 3-er G20 3-er F30 5-er G30 5-er F10 5-er E60 X3 G01 X3 F25 X4 G02 X5 G05 X5 F15 7-er G11/G12

Car Overview ⚡ Express

BMW E34: The Complete Guide to Buying, Maintenance, and Common Problems of the Legendary 5 Series

The complete BMW E34 guide: buying advice, maintenance, and common problems. Engines M20, M50, M60, and S38, plus transmission, suspension, electrics, and body. A buyer's checklist and tips to extend the life of the legendary 5 Series.

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BMW 4 Series: Complete Breakdown of Problems, Longevity, and Buying Tips

A complete breakdown of BMW 4 Series problems: engines, electronics, suspension, body. Leak and wear statistics, a buyer's checklist, and what to look for.

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BMW 1 Series F20/F21 (2011-2019): The Complete Guide to Problems, Longevity, and Buying the Right One

A complete breakdown of the BMW 1 Series F20/F21 (2011-2019): typical engine problems (N47, B38, B58), transmission and electronics issues, the maintenance schedule, a buyer's checklist, and selection advice. Find out whether BMW's last rear-wheel-drive hatchback is worth buying in 2025.

Car Overview ⚡ Express

BMW Knowledge Base

BMW E34: The Complete Guide to Buying, Maintenance, and Common Problems of the Legendary 5 Series

BMW 4 Series: Complete Breakdown of Problems, Longevity, and Buying Tips

BMW 1 Series F20/F21 (2011-2019): The Complete Guide to Problems, Longevity, and Buying the Right One

BMW E60 N52: Complete Guide to Ownership, Maintenance, and Common Problems

BMW F10 with the N20 Engine: A Complete Guide to Ownership, Problems, and Buying

BMW E39: The Complete Guide to Buying, Driving, and Maintaining the Legendary 5 Series

BMW E36: The Complete Guide to Engines, Repairs, and Buying Used

BMW 3 Series F30: The Complete Guide to Problems, Longevity, and Smart Buying

BMW 7 Series (G11/G12): Common Problems, Faults, and Repair Tips

BMW 7 Series G11/G12: Technology, Innovations, and OKL Platform Features