This book contains maintenance procedures, service indicator resetting, engine and cylinder head service repair and reconditioning, timing chain setup for M20 and M50, information for 5-Series driveability problems, engine fault codes and how to read them, transmission maintenance, adjustment and troubleshooting, including hydraulic clutch, gearshift linkage and driveshaft, body adjustment and repairs, sunroof removal and adjustment, heating and A/C, full wiring schematic, BMW factory tolerances, wear limits, adjustments, and tightening torque specs, and more. Covers the 1989-1995 525i, 530i, 535i, 540i including the Touring.