The 2005 BMW M3 (E46) represents a pinnacle of performance engineering, embodying BMW's renowned M division heritage. This high-performance sports coupe and sedan is celebrated for its potent, naturally aspirated 3.2-liter S54 inline-six engine, delivering 333 horsepower and a driver-focused experience. Its sharp handling, advanced M Variable Lock differential, and the availability of a Sequential M Gearbox (SMG II) or a precise 6-speed manual transmission solidify its status as an iconic driver's car, consistently recognized for its exceptional performance and dynamic capabilities.

This comprehensive service and repair workshop manual provides full instructions for maintaining and repairing the 2005 BMW M3 (E46). It covers all major systems, including the powertrain, chassis, electrical systems, and body. Within its extensive pages, you will find detailed procedures for routine maintenance, component disassembly and reassembly, advanced diagnostics, and troubleshooting. This manual is an indispensable resource for owners, mechanics, and technicians seeking to preserve the performance and integrity of this legendary M car.