AEM Infinity Plug and Play Badness for the BMW S54 (E46 M3) Engine!


The guys at Pure Performance started the job by routing the AEM plug and play harness though the car.  The AEM harness is top quality and has motorsports grade connectors.  Prior to our arrival they had installed their S54 conversion harness in the car.  The conversion harness allows the S54 to be dropped in.  We are simply adding the AEM Infinity in lieu of the stock E46 ECU.


The AEM plug and play harness will be routed through this hole in the cowl.  A few other details had already been addressed.  A big one was mounting the E46 accelerator pedal.  The E46 is drive by wire so the whole throttle pedal assembly had to be adapted and installed.


The harness was fished through from the inside of the car.


The harness is then fished through to the outside in the engine compartment, following the stock harness.


The AEM Plug and Play adaptor box is mounted on the inner fender wall.


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