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      08-12-2018, 01:41 AM   #1
headsock
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S54 swap

Planning on an s54 swap. From an m3 because ms54. Z4m not available in my country. Its either m3 or turbo b25. Was supposed to get a z4m engine (whole front end), but and would cost much more and mss70

Got a couple questions.
1. Will the eps work with the m3 ecu?
2. Does the m3 use pwm or just on/off fuel pump?
3. Has anyone made the 420g work? Driveshaft, shifter linkage. Can get a 37bz if not.
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      08-13-2018, 02:10 PM   #2
CTMP4me
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Quote:
Originally Posted by headsock View Post
Has anyone made the 420g work? Driveshaft, shifter linkage. Can get a 37bz if not.
+1 interested in this - stronger gearbox that shifts nicer too.
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      Yesterday, 01:52 PM   #3
headsock
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Z4 and 330ci 37bz use the same transmission carrier = m3 carrier should line up with z

37bz and 420g are both the same 25" and uses the same diff (not confirmed, just from google). Z4m and m3 use the same guibo = Stock z4m driveshaft should work


Looks like the only custom piece needed will be the shifter linkage, needs to be shortened.

Question is will it fit the tunnel
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