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Re: Undecided-E39 528A to AC 3.2 / Supercharge / B (archive)

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Posted by Bruce on September 24, 1998 at 07:28:53:

In Reply to: Undecided-E39 528A to AC 3.2 / Supercharge / B3.2 posted by Allan on September 23, 1998 at 22:25:11:

: Any advise ?
: I read somewhere that a slam dunk extraction of the current 2.8 engine has been replaced with a 3.2 from M3 Euro specs. Surprisingly, the gear ratio, bolts and those technical stuff fits !! All they did was upload software through the port OBD II ??

there was an article in the US magazine Bimmer that showed how TC Kline put a US spec M3 engine into the 528 (not much work to switch it since it is a bored and stroked 2.8 engine)...i don't have the mag in front of me but can find it again if you want more info

: If this can be done - the 321hp is there, why 540 then ?

it's called torque....Euro M3 engine has 258 ft pounds (US spec has 236), 540 has 310....more torque to get that heavy car moving faster


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