1979 BMW 320i Automatic TransFACTORY OEM SERVICE PROCEDURE

BOSCH Single Breaker Point Distributors: Disassembly

  1. Disconnect and remove vacuum unit. Remove breaker points and condenser. Remove breaker assembly. Note positioning of centrifugal advance parts and mark for assembly reference.
  2. Disconnect and remove centrifugal advance springs (do not distort). Carefully pry upward on the lower edge of breaker cam to disengage cam retaining ring. Lift cam, washer, retaining ring and lubricating felt pad from shaft. Remove advance weights.
  3. Drive out retaining pin. Remove coupling (or gear) from end of distributor shaft. Remove shaft from distributor housing.
NOTE: Before removing coupling (if equipped), note relationship of coupling end. Mark position of coupling on end of shaft for reassembly reference.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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