BMW 3 Series Service Manual – M3, 323i, 325i, 325xi, 328i, 330i, 330xi (Sedan, Coupe, Convertible, Sport Wagon)

This incredible publication provides a comprehensive source of service information for BMW 3 Series models. Designed with simplicity and clarity in mind, it includes practical explanations, step-by-step procedures, and accurate specifications throughout its 1,434 pages and 1,700 illustrations.

Though the do-it-yourself 3 Series owner will find this manual indispensable as a detailed maintenance and repair guide, even those who prefer to leave the work to professionals will benefit. Owning this manual makes it easier to understand the car’s systems and discuss repairs intelligently with a technician.

Models Covered: 323i/Ci, 328i/Ci, 325i/Ci/xi, 330i/Ci/xi, and M3.

Technical Coverage Includes: Procedures for everything from routine oil changes to interpreting the Malfunction Indicator Light (MIL). The manual explains exactly what to do and when to do it. Detailed instructions are provided for engine and cylinder head service, including valve clearance adjustment on the S54 engine. It also covers troubleshooting specific drivability issues, explaining the engine management systems and BMW OBD II Diagnostic Trouble Codes (DTCs).

Theory of operation and repair information is provided for Siemens MS 42.0, MS 43.0, MS 45.1, and MS S54 engine management systems, including resonance/turbulence intake manifolds and the Double VANOS (Variable Camshaft Timing) system.

Drivetrain sections cover maintenance, troubleshooting, adjustment, and repair of the self-adjusting clutch (SAC), gearshift linkage, driveshaft, and drive systems. It includes removal, installation, seal replacement, and external service for manual, sequential manual (SMG), and automatic transmissions.

The manual also provides detailed system descriptions and repair information for Antilock Brakes (ABS), Automatic Stability Control (ASC), and Dynamic Stability systems. Heating and air conditioning systems (IHKA and IHKR) are covered, including component replacement.

Body-related procedures include adjustments and repairs to the sunroof, convertible top, and tailgate. Wiring schematics are included for power distribution and ground locations, along with a dedicated electrical component guide specifying relay, control module, and ground locations, all supported by detailed illustrations and photographs.