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Generator & Regulator: Removal & Installation BMW 3 series E46

Charging System ~125 words

Removal

  1. Disconnect battery. Remove air filter housing. Using Pulley Holder (11-5-030) and 32-mm Wrench (11-5-040), turn cooling fan nut clockwise (left-hand thread) to remove cooling fan.
  2. Note serpentine belt routing. Insert socket into drive belt tensioner bolt. Compress tensioner slowly and remove belt.
  3. Remove mounting bolts and cooling duct (if equipped). Remove wiring and generator.

Installation

To install, reverse removal procedure. Ensure serpentine belt is correctly routed and seated in grooves. Use Pulley Holder (11-5-030) to hold water pump pulley, and turn 32-mm Wrench (11-5-040) counterclockwise (left-hand thread) to tighten cooling fan nut to 22 ft. lbs. (30 N.m).

Note. Tighten cooling fan nut to 29 ft. lbs. (40 N.m) if a conventional 32-mm open end wrench is used.