Check all belts, hoses, fuel and brake lines. Check timing belt for proper service interval.(3 series up to 1991 and convertible up to 1993, 5 series prior to 1991).
Check engine, transmission, differential and transfer case mounts (if equipped).
Perform valve adjustment (early production BMW’s , 2001-2006 M3, and M-Z4
Check for fluid leaks
Replace charcoal activated cabin air filter (most models 1992 and newer)
Undercarriage:
Check tires for proper tread depth and inflation pressure including spare.
Check axle boots (Front CV boots if all wheel drive)
Check ball joints, control arms and inner/outer tie-rods for looseness
Check springs for corrosion or breakage
Check wheels for bends or cracks
Check control arm and trailing arm bushings
Check exhaust system for leaks and proper mounting
Check undercarriage and suspension
Check brake lining thickness and emergency brake adjustment
Body & Electrical:
Check all lights and replace necessary bulbs
Check instruments for proper function and illumination
Check condition of wipers
Tighten wiper arms and aim washer jets
Load test battery and check charging system
Lube door hinges and latches
Perform diagnostic readout of all computerized systems.
Check A/C for proper cooling
Check convertible top operation if equipped
Check power windows for proper operation (slow or noisy)
Check body for corrosion
Reset service lights, counter, or CBS (condition based service indicator)
Road test with check of brakes, suspension, and alignment
