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Re: By looking into the engine compartment (archive)

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Posted by Mike Chiang on April 24, 2000 at 21:03:18:

In Reply to: By looking into the engine compartment posted by M3Cosmos on April 24, 2000 at 17:27:06:

Undo the plastic tabs and screws to reveal the ECU. Slide the ECU out and uncouple the data cable. Look at the tabs that hold the ECU cover on. If it looks like it's been pryed open, you prolly have an aftermarket chip of some kind.

You can pry open the cover, revealing the circuit board. On the board is a white (on 95s) plastic tab that holds the management chip in place. Remove the tab. An aftermarket chip will have its name on it. The stock BMW chip will have a white label.. (I think its labeled BOSCH for 95s.. Siemens for 96+)

Mike


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