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

Engine series:

All B47 B48 B57 B58 N20 N47 N52 N57 S55 S58

Engine Mechanical ⚡ Express

BMW B58 Engine: The Complete Guide to Reliability, Tuning, and Maintenance

A complete guide to the BMW B58 engine: specs, reliability, common problems, maintenance, and tuning. Learn how to make it last and get the most out of it.

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Engine Mechanical ⚡ Express

BMW B58 Engine: Reliability, Problems, and Tuning the Inline-Six

The BMW B58 is one of BMW's best inline-six engines. Here's what to know about its specs, common problems, maintenance schedule, and tuning potential up to 700 hp.

Engine Mechanical ⚡ Express

BMW B58 Engine: Reliability, Problems, and a Complete Maintenance Guide

The BMW B58 is a 3.0-liter turbocharged inline-six with a closed-deck engine block. Learn about its reliability, common problems (coolant leaks, carbon buildup, high-pressure fuel pump), and the maintenance schedule. A complete owner's guide.

Engine Mechanical ⚡ Express

BMW B58: The Complete Guide to Ownership, Common Problems, and Maintenance

The complete guide to the BMW B58 engine: common problems (HPFP, wastegate, cooling, injectors, EVAP), plus transmission, suspension, electrical, and brake issues. Maintenance tips to extend engine life.

Engine Mechanical ⚡ Express

The BMW B58 Engine: A Complete Guide to Reliability, Problems, and Maintenance

The BMW B58 engine: a complete guide to reliability, problems, and maintenance. Learn the technical specifics, common failures, service intervals, and the pre-purchase checklist. Based on real-world facts.

Engine Mechanical ⚡ Express

BMW B58 Engine: Common Problems, Maintenance, and Repair

A guide to the BMW B58 engine: common problems (fuel injectors, turbo, timing chain, HPFP), diagnosis, repair, and prevention. Tips for choosing a used car with the B58.

Engine Mechanical ⚡ Express

BMW B58: A Complete Guide to the Engine, Common Problems, and Maintenance

A complete guide to the BMW B58 engine: specs, common problems (HPFP, wastegate, oil leaks, water pump, expansion tank), transmission and electronics issues, plus maintenance tips to extend engine life.

Engine Mechanical ⚡ Express

BMW B58 Engine: Overview, Problems, Reliability, and Maintenance

BMW B58 engine: overview, common problems, real service life, and maintenance. Specs, typical failures (HPFP, valve cover gasket, carbon buildup), up to 186,000 miles of real-world durability, and maintenance tips. A guide for BMW owners and buyers.

Engine Mechanical ⚡ Express

BMW B58 Oil Pump Problem (2019–2022): How to Avoid Engine Damage

The BMW B58 oil pump problem (2019–2022): symptoms, diagnosis, and replacement with the reinforced metal version—avoid engine damage.

Engine Mechanical ⚡ Express

BMW M850i and 840i: The Complete Guide to the N63TU3 and B58 Engines, Problems, and Maintenance

A complete guide to the N63TU3 and B58 engines in the BMW 8 Series (G15): common failures, maintenance, and a pre-purchase checklist. Learn how to extend the life of your M850i or 840i.