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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Help! Where's my E90's ECU? :-)



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      02-20-2011, 02:43 PM   #1
Paulo
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Help! Where's my E90's ECU? :-)

Hi there, does anyone know where the ECU is on an E90 318d 143hp? And is it hard to get it out?

Thanks,

Paulo.
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      02-20-2011, 02:54 PM   #2
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      02-20-2011, 06:26 PM   #3
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Not sure on the e90, but it's usually under the bonnet right by the bulkhead under a black plastic cover.

On the e46 M3 it was on the nearside, seem to recall it being on the offside on the e60 M5 under the microfilter assembly.

There's usually a rats nest of wiring in/around it, so be careful if you're poking around.
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      02-21-2011, 08:26 AM   #4
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If its like the E91, then it is in a sealed off-white watertight box, under the scuttle plate on the nearside of the engine bay (right up by the windscreen)
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      02-22-2011, 08:49 AM   #5
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Map the car via OBD. Don't take the ECU out.

Why else would you want to go anywhere near it?
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      02-22-2011, 02:45 PM   #6
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ECU container is indeed as above.
Yours if a UK car will be on the opposite side (near glovebox) but this vid shows it all.
http://burgertuning.com/support.html

The JB3 install requires ECU removal so check the PDF and video mate.
Its simple and takes around 25min if you never did it before.

Steve
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