318 to 325 engine upgrade problem - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 04-04-2013, 07:18 AM
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318 to 325 engine upgrade problem

I recently changed my facelift 4 potter E46 318 N42 engine(rattler) to an M54 325 double vanos 6 potter,changed the computer box,EWS,swapped the chip from the key,whole exhaust system & wiring harness & used the existing GM gearbox & rear diff( 1-3.38),the replacement parts for my car were all from the m54 325 which had rolled.
Managed to start the car and it runs way more than perfect,besides the two following problems i encountered,1.the traction control lights are all on(abs,asc,brake light).The 325 i swapped with was using asc,is my original abs module not being recognised by the swapped computer box,can i code my original abs module?:
2.My keys central locking doenst work via the remote but it works only if i manualy use the key(can lock & unlock all doors from the drivers door),if i use it via the remote it only unlocks the boot.When i perform the key synch procedure,the doors lock & unlock to confirm operation was successfull but the doors still fail to unlock,only the boot will unlock,help with ideas...?
I know it could have been better to just buy a 325 but i had problems when trying to sell the rattler(318).
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#2 (permalink) Old 04-07-2013, 07:54 PM
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Yes you can go into the ABS Module through the BMW Carsoft Sogtware.


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#3 (permalink) Old 04-29-2013, 04:40 AM
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Still need assistance,when i unplug the DME(MS43),i can access all the other modules with my tester(AUTOCOM CDP),but when the DME is pluggled in,i cant access not even a single module,not sure if the ground in the harness is good,any ideas.Just for the record,the Autocom cdp works like a charm & been using it for years,tried it on my E53 with no problems.
The DME i removed from the 318 was EK924(ME9.2) for a 2003 model which was replaced with the MS 43 for a 2001 325 ci model,i need a wiring power diagram to make comparison betwix the two DME's.
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#4 (permalink) Old 12-16-2013, 06:05 AM
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Finally managed to clear the (abs,asc,brake light),the problem was that the abs module dropped the C.A.N BUS line since it was trying to poll to the original DME which it couldnt find(due to different VIN numbers)reprogrammed the abs module to the new VIN number of the DME.
The remote control key problem was caused by a faulty key transponder,bought a new transponder since mine was a PCF 7931 which can only be written once.
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