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 F01/F02 N63: Problems, Maintenance, and Buying Guide

A complete guide to the BMW F01/F02 with the N63 engine: technical specifics, common problems (oil consumption, timing chains, leaks), maintenance advice, and a pre-purchase checklist. Based on real owner experience.

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The Complete BMW X5 Guide: Weak Spots, Maintenance, and What to Check Before You Buy

The complete BMW X5 guide: weak spots, maintenance, and what to check before you buy. Engines, transmission, air suspension, and cooling — plus a used-X5 checklist and a service schedule that keeps it on the road.

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The Complete Guide to the BMW E90 (2005–2014): Repairs, Maintenance, and Ownership Secrets

The complete guide to the BMW E90 (2005–2014): model overview, specs, maintenance advice, a buying checklist, repairs without removing the engine, and answers to common questions.

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BMW F10 (2010–2017): Complete Guide to Buying, Owning, and Repairing

Complete guide to the BMW F10 (2010–2017): model overview, common problems, maintenance tips, a pre-purchase checklist, plus facelift and safety notes. How to pick the right car and live with it.

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BMW M4 (F82/F83, G82/G83): The Complete Guide to Buying, Owning, and Repairing

A complete guide to the BMW M4 (F82/F83, G82/G83): generation overview, the S55 and S58 engines, common problems (camshaft hub slippage, intercooler leaks, DCT issues), maintenance advice, a pre-purchase checklist, and running costs.

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BMW 2 Series (F22/F23) Buyer’s Guide: N20, N55, B58 Problems and Maintenance

Complete guide to the BMW 2 Series (F22/F23): common problems, maintenance, and what to check before you buy. Oil leaks, valve coking, suspension wear, and electronics. N20, N55, B58 compared, plus a buyer's checklist.

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BMW M4 (F82) With the S55 Engine: The Complete Guide to Ownership and Common Problems

A complete owner's guide to the BMW M4 F82 with the S55 engine: engineering highlights, common problems (crank hub slippage, oil leaks, clutch wear), maintenance advice, and a buyer's checklist. Learn how to extend your M4's life and avoid costly repairs.

Car Overview ⚡ Express

BMW Knowledge Base

BMW F01/F02 N63: Problems, Maintenance, and Buying Guide

The Complete BMW X5 Guide: Weak Spots, Maintenance, and What to Check Before You Buy

The Complete Guide to the BMW E90 (2005–2014): Repairs, Maintenance, and Ownership Secrets

BMW F10 (2010–2017): Complete Guide to Buying, Owning, and Repairing

BMW M4 (F82/F83, G82/G83): The Complete Guide to Buying, Owning, and Repairing

BMW 2 Series (F22/F23) Buyer’s Guide: N20, N55, B58 Problems and Maintenance

BMW M4 (F82) With the S55 Engine: The Complete Guide to Ownership and Common Problems

The Complete BMW Reliability Guide: Common Problems, Maintenance, and the Best Models to Buy

How to Pick a Reliable BMW X5 (E70, F15, G05): Engine Guide and Common Problems

BMW 3 Series G20: The Complete Guide to Reliability, Problems, and Maintenance