Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Reprogramming Troubleshooting & Replacement Procedure: Overview

DME EPROM REPROGRAMMING TROUBLESHOOTING
AND REPLACEMENT PROCEDURE

The information provided in this attachment is to serve as a guide/reference when addressing a problem with the programming update for an M50 VANOS DME.

For easy reference this attachment has been broken up into the following:

A. M50 (VANOS) DME EPROM Reprogramming Troubleshooting Procedure

B. BMW Label Identification

C. Determination and programming of a replacement control module/EPROM (Flow Chart).

D. Control Module EPROM Replacement Procedure