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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications N55 EWG loom routing?
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      09-10-2018, 02:00 AM   #1
bradsm87
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N55 EWG loom routing?

How is the N55 EWG loom routed? Which direction does it come from and which main loom is it part of? Has anyone got pics (maybe from a turbo install)?

I have a hunch that late model PWG N55s have the EWG wiring present also but the engine bay is so tight, I can't even find a gap to stick my phone down and take a pic. The BMW parts catalogue only specifies that the turbo, DME and catalytic converter are different for the S161A (Euro 5 Emissions) option which is the one that gives you a PWG turbo on late models instead of EWG. There is no mention of any different wiring looms between Euro 5 (PWG) and Euro 6 (EWG) models.

I'm looking into doing a PWG to EWG conversion for lots of reasons I won't go in to in this thread. I'm familiar with the ISN code change, ensure same power level coding, programming, coding etc. etc. required to swap the DME for another used one. I just need to make sure I cover all bases for parts required.
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      09-10-2018, 07:22 AM   #2
NinetyEight740
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The wiring isn’t there, the part number on the engine harness is completely different.
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      09-10-2018, 10:04 PM   #3
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Quote:
Originally Posted by NinetyEight740 View Post
The wiring isn’t there, the part number on the engine harness is completely different.
Not according to the BMW ETK parts catalogue. I know early model PWG loom is different to late model EWG loom but that's not what I'm asking. I'm talking about late model (well after when EWG started) with Euro 5 emission standard (eg 2016 F11 LCI 535i) so they have a PWG turbo.

Anyway, does anyone know exactly which loom the EWG connector is part of and how it's routed?
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      09-25-2018, 01:21 AM   #4
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Bump. Nobody knows how the wastegate loom is routed and which main loom it merges in with?
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      09-25-2018, 10:02 AM   #5
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It is a different part number on the cars I looked up.
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      09-25-2018, 05:53 PM   #6
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Quote:
Originally Posted by NinetyEight740 View Post
It is a different part number on the cars I looked up.
I'm referring to late model F10/F11 (say 2016 for example) in countries that didn't get Euro 6 (EWG). The BMW parts catalogue does not show two different part numbers for Euro 5 and Euro 6.

As I mentioned earlier, I'm not talking about early vs late model looms.

If anyone could just let me know where the EWG loom merges and into which main loom, that would be great.
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