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Bypassing ECU/PCM?


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Getting a new HO alt and since the car does have a PCM should I bypass it or just use my stock harness plug? I know without the plug the battery light is on and that's fine but I wasn't sure if there is any other issues or if it's even worth it.

Does anyone have experience with this?

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you already know my thoughts :)

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BMW M340 xDrive

Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4...
Best Scores out of a trunk
153.0 sealed legal full tilt clamped 5524 @ 42 hz
154+ windows down, 155+ kick

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