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Though the do-it-yourself BMW owner will find this manual indispensable as a source of detailed maintenance and repair information, the BMW owner who has no intention of working on his or her car will find that reading and owning this manual will make it possible to discuss repairs more intelligently with a professional technician.

323i/Ci
(M52 TU, 2.5 liter engine)
328i/Ci
(M52 TU, 2.8 liter engine)
325i/Ci/xi
(M54 / M56, 2.5 liter engine)
330i/Cis/xi
(M54, 3.0 liter engine)
M3
(S54, 3.2 liter Motorsport engine)

• Procedures for everything from oil change service to interpreting the Malfunction Indicator Light (MIL). This manual tells you what to do and when to do it.
• Engine and cylinder head service, including valve clearance adjustment on the S54 engine.
• Information for specific driveability problems, including explanation of engine management systems and BMW OBD II Diagnostic Trouble Codes (DTCs).
• Theory of operation and repair information for Siemens MS 42.0, MS 43.0, MS 45.1 and MS S54 engine management, resonance/turbulence intake manifold and Double VANOS (Variable Camshaft Timing).
• Drivetrain maintenance, troubleshooting, adjustment and repair of self-adjusting clutch (SAC), gearshift linkage, driveshaft, drive axles and, wheel drive system.
• Manual, sequential manual (SMG), and automatic transmission removal, installation, seal replacement and external service.
• System description and repair information for Antilock Brakes (ABS), Automatic Stability Control (ASC) and Dynamic Stability Control (DSC).
• Heating and air conditioning repair (IHKA and IHKR), including component replacement.
• Body adjustments and repairs, including sunroof, convertible top and tailgate.
• Wiring schematics, including power distribution and ground locations.
• Dedicated electrical component guide specifying relay, control module and ground locations with detailed illustrations and photos.