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, Maintaining, and Repairing the Legendary 5 Series

The complete guide to the BMW E34: engine lineup overview, common problems, maintenance schedule, buyer's checklist, and repair advice. Find out why this 5 Series is a legend.

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BMW X5 E70 (2006-2013): The Complete Guide to Reliability, Problems, and Maintenance

The complete guide to the BMW X5 E70 (2006-2013): engine overview, common problems, maintenance, and a pre-purchase checklist. Learn about the model's reliability and its weak spots.

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BMW X3 F25 (2010–2017): The Complete Guide to Buying, Problems, and Maintenance

A complete guide to buying, common problems, and maintaining the BMW X3 F25 (2010–2017): the N20, N55, and N47 engines, typical failures, maintenance tips, and a pre-purchase checklist.

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BMW 5 Series (E60, F10, G30): Complete Guide to Buying, Problems, and Maintenance

A complete guide to buying, common problems, and maintaining the BMW 5 Series (E60, F10, G30). Generations, engines, typical failures, and a used-car buyer's checklist.

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BMW G20 B48: Chinese vs Korean Version — Full Breakdown from BimmerBrain

Chinese vs Korean BMW G20 with the B48 engine: technical differences, equipment, common problems, maintenance, and tuning. A buyer's checklist and BimmerBrain recommendations.

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BMW X6 E71 (2008–2014): The Complete Buyer’s Guide to Choosing, Owning, and Maintaining One

A complete guide to the BMW X6 E71 (2008–2014): model overview, engine specs (N54, N55, N63, S63), common problems, maintenance schedule, and a pre-purchase checklist. Learn how to pick a solid example and avoid expensive repairs.

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BMW F30: Complete Guide to Ownership, Common Problems, and Maintenance

A complete guide to the BMW F30: common N20 engine problems, plus cooling and fuel system issues. Maintenance schedule, buying checklist, and ownership tips.