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E46 Engine Swaps
Replacing your motor? From direct replacements to more exoctic engines, if it's going under the hood of an E46 3 Series this is the forum to discuss it.

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Old 09-24-2018, 10:04 AM   #1
nextelbuddy
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Join Date: May 2006
Location: Atlanta
Posts: 137
My Ride: e46 ZHP
Year: 2003
Model: 330i ZHP
Transmission: 6MT
MS45 into MS43 car?

i have a 2002 MS43 auto wagon. I just dropped in my old ZHP engine and 6 speed swap. im using the MS45 engine harness and ews deleted MS45.1 DME and looking for some resources for repinning wiring.


I am actually doing MS43 to MS45. my wagon is MS43 and I just dropped in a zhp engine and 6 speed with the MS45 Engine harness and EWS deleted MS45 DME from Chris.


I finally got access to a WDS and compared pinouts between MS43 and 45 and was hoping that i only need to make changes to x60004 but its looking questionable.

There are several PINS that look like they come from x60003 on MS43... PINS such as:

Activation heating fuel tank leak and Signal Secondary air injection pump.

both of those are on X60004 on MS45 but on MS43 they are on x60003.


and not too sure how to handle canbus fuel pump with MS45. MS43 had PIN10 on X60004 for fuel pump but on MS45 it pins 31 and 35 for Local Can-bus Low and high.



i'm starting to think this may not be possible to do with going forward in DME technology.



thanks for any help or advice on this
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2003 e46 ZHP M3 Sedan | S54 6 Speed
2002 e46 ZHP Touring | M54 6 Speed
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