45000 MI or 72000 KM

Lubricate
    Throttle Cable/Linkage
    Sunroof / Moonroof Track
    Hood
    Doors
Check
    Intake Manifold
      Intake Air Manifold - Check hoses and tighten clamps.
    Idle Speed/Throttle Actuator - Electronic
      Auxiliary Air Valve - Check connections and tighten clamps.
    Brakes and Traction Control
      Check for wear, retorque caliper mounting bolts, inpect and adjust handbrake. Inspect lines and fittings for damage / leaks.
Tighten/Torque
    Fuel Supply Line
      Fuel distribution lines.
Adjust
    Valve Clearance
      Check / Adjust
    Ignition Timing
      1981 all, 1982-83 320i only; Check / Adjust.
    Idle Speed
      Check / Adjust Idle Speed and Mixture.
    Drive Belt
      Check / Adjust (Not required for California warranty.
    Compressor HVAC
      Tighten Air Conditioning compressor mounts.
Diagnose/Test
    Oxygen Sensor
    Fuel Injector
      Check operation of Fuel Injection System.
Inspect
    Wiper and Washer Systems
      Inspect and top off fluid level.
    Tires
      Check / Adjust air pressure.
    Steering
      Check condition of components, adjust free play, retorque gear box.
    Seat Belt Systems
    Power Steering Fluid
    Positive Crankcase Ventilation Valve
      Check Crankcase Breather - 1981 only.
    Lighting and Horns
    Ignition Cable
    Fuel Tank
      Check filler cap, tank, lines, hoses, and evaporative control system for leaks and tightness.
    Fuel Distributor
      Check for leaks and tighten fittings.
    Fluid - M/T
    Fluid - Differential
    Fluid - A/T
    Exhaust System
    Engine Mount
    Drive/Propeller Shaft
      Check half-shaft joints for leaks, check U-joints and flexible coupling disc.
    Cooling System
      Inspect hoses and tighten clamps.
    Coolant
      Check level and top off.
    Brake Fluid
    Battery
Replace
    Oil Filter, Engine
    Ignition Rotor
    Engine Oil
    Distributor Cap
    Breaker Points
Service or Charge
    Heating and Air Conditioning
      Check / Adjust refrigerant charge.