Bmw m3 s54b32 install guidelines:

Use properly sized fuses everywhere.

Wiring up


Setup / Tuning

sorry for disasembling your ecu, just wondering where that white wire should be connected (red circle) big capacitor + , and does that track on pcb must be cut?


The trace should be cut and solder the white wire into pin 2 of the same chip. (The trace was cut because of that wire.)

on hold. engine needs rebuild.