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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Popped an ECU?



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      06-25-2017, 11:21 PM   #1
Bigrob126
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Popped an ECU?

I am so jacked! Was hooking up power for a back up camera W/relay. When I was doing the lead to the positive batt side, the nut I removed on the batt caused power to be lost....and as I was trying to do what I needed, the power was surging on and off.....numerous times.....exactly what NOT to do to electronics and computers. No I have no dome lights, no signals, no reverse lts, phone error, can error. I checked on the Carly app. Anyway, I'm off to my local Indy early in the AM and hope the damage is not too bad! I so bummed!!
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      06-25-2017, 11:30 PM   #2
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Either you fried the FRM module or a ton of fuses blew up. Goodluck with your situation though, hope it's just a minor fix.
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      06-26-2017, 07:45 AM   #3
weehe126
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Sounds like a fried FRM.
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      06-26-2017, 09:34 AM   #4
Bigrob126
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And the drag is I KNOW better, but was lazy. I am a slot technician in Vegas and work on the slot machines, which are all computers basically. Damn!! Just dropped it off. We shall see....
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      06-26-2017, 09:54 AM   #5
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Quote:
Originally Posted by Bigrob126 View Post
And the drag is I KNOW better, but was lazy. I am a slot technician in Vegas and work on the slot machines, which are all computers basically. Damn!! Just dropped it off. We shall see....
FRM tends to fail with a simple read. BMW has a TSB on it (not a recall, but close) and extended warranty on it. You shouldn't pay anything to have it replaced.

check attachment on this thread (last post)
http://www.bimmerfest.com/forums/sho...d.php?t=929619
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