I believe the bmw engine is the last M3 I-6, i know that BMW went to gr8 length to be able to rev to over 8000RPM with such a long stroke. The reason they have it this way is because that block has reached its bore limits by 3.0L and going to 3.2 needed a really long stroke. it seems to them it would be cheaper to use light material pistons and rods than develop a new block (makes sense) cool thing abt this engine is that the long stroke give is good torque band.
but life span of such an engine will always be in doubt.
As for the pic of the engine, its not my engine, a fellow member on another forum and i believe the pistons are the same but only tricked in the pic by shadow and the fact its not on full throw like the first piston.
as for capacity, well u know there is no replacement for displacement
, so you agree with me that the 3.6 AMG is a strangled for air engine, I really have no idea why AMG didn’t put better effort in making more power out of this engine. For this u have to respect BMW for their stroke compromised engine of 3.2l makes 343BHP at 7900RPM, and 274LBFT at 4800 I think.
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Jay,
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-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
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