E46Fanatics - View Single Post - MS42 < MS43 Compatibility Thread...
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Old 08-26-2012, 09:30 AM   #58
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Join Date: Dec 2010
Location: Bel Air, MD/ WVU
Posts: 1,011
My Ride: '04 MB ZHP
Get an external FPR and mount it to the M52tu fuel rail and use the MS43 DME and so it right. You're doing the opposite essentially.... Swapping the block and keeping the 323 electronics.

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