E36 ECU REMOVAL INSTRUCTIONS
| Locate Engine computer: The easiest way to
describe the location of the engine computer is to say that it resides directly forward of
the cars glove box storage compartment, but can only be accessed for removal through the
engine compartment side of the car. So with that in mind open the hood of your car and
look at the firewall just behind the passenger side front shock |
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| Remove the three 1" dia. black plastic buttons (upper arrows) that secure the foam rubber panel covering to expose the black plastic engine computer compartment panel. Don’t worry about removing the 2 (lower arrows) 10mm plastic nuts, as there is no need to remove the foam rubber panel, as it is flexible. |
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Loosen the 4 Phillips head screws (4 black arrows) that secure the engine computer compartment panel. |
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| Remove engine computer "2". (computer labeled "1" is the automatic transmission |
|
| Loosen, but do not remove two large Phillips
head screws on both sides of the ECU. Slide computer out of engine computer
compartment (red arrow). Disconnect engine computer connector by lifting its metal latch mechanism (seen above at the base of the red arrow). |
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