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View Full Version : BMW E38 ECU fried!, need help



colouny
26th February, 2012, 09:42 PM
Hi all, i have a friend which has a BMW E38, it stalled. So started testing all the things, and it turned out that the ecu has fried out totally. The ignition coil transistors took some real damage...

So question is can i replace the "Bosch 30021" with BU941P ? Please let me know what you think... Meanwhile i will look for what caused this problem

Here are some pictures.

quickjoe196
26th February, 2012, 09:54 PM
Try battery post/terminal and clamp they some times oxodize badly... then they heat up, build resistance, voltage drops, amps go up....

colouny
26th February, 2012, 10:10 PM
Try battery post/terminal and clamp they some times oxodize badly... then they heat up, build resistance, voltage drops, amps go up....

Thanks for the hint.

Anyone a else could maybe point to something more?


I really need someone to confirm that i can replace them with BU941P?