ECM - EPROM Replacement: Overview

1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Overview
Group 12
Engine Electrical

Bulletin Number
12 08 95 (4274)

Woodcliff Lake, NJ
September 1995
Product Engineering

SUBJECT:
DME Control Module EPROM Replacement

MODELS:
Vehicles with M50 & M60 engines

Situation:
The EPROM in the DME control module needs to be replaced.

Procedure:
For easier reference, this procedure is broken up into the following:

A. Preparatory EPROM Replacement Instructions

B. EPROM Replacement for M50 (Non-VANOS) and M60

C. EPROM Replacement for M50 (VANOS) and M42








RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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