BMW Knowledge Base

The Complete Guide to BMW Diagnostics and Repair: Expert Tips from BimmerBrain

The complete guide to BMW diagnostics and repair from the BimmerBrain experts. Learn to recognize fault symptoms, run a step-by-step engine check yourself, tackle common suspension and electrical problems, and follow a maintenance schedule that extends your car’s life.

BMW X7 G07 xDrive40i: Long-Term Ownership and B58 Engine Reliability

BMW X6 E71 (2007–2014): The Complete Guide to Buying, Ownership, and Maintenance

A complete guide to the BMW X6 E71 (2007–2014): specs overview, common problems, maintenance tips, and a used-buying checklist. Learn how to extend its life and avoid costly repairs.

BMW X5 E70: Complete Guide to Engines, Problems, and Maintenance

A complete guide to the BMW X5 E70 (2006–2013): engine overview (N52, N54, N55, N62, N63, S63, M57N2), common problems, maintenance, and a buying checklist. Find out which engine is the most reliable and how to extend the SUV's service life.

BMW 520d G30: Full Reliability and Ownership Cost Breakdown

BMW 7 Series: The Complete Reliability and Repair Guide for Owners

A complete reliability and repair guide to the BMW 7 Series for owners. Covers the weak points of the air suspension, the N63 engine, iDrive electronics, and the panoramic roof, plus maintenance tips and a checklist for buying a used car.

BMW F20/F21: A Complete Guide to Buying, Ownership, and Common Problems

A complete guide to the BMW F20/F21: buying, ownership, and common problems. The weak spots of the N47, B47, N13, and B38 engines, electronics issues, and maintenance tips — plus a used-car inspection checklist.

BMW 320d G20 (B47): Long-Term Ownership and Real-World Reliability

BMW 3 Series G20 320d: Overview, Ownership Experience, and Common Problems