7Post - 7 Series Forum - View Single Post - Does the 7's new 4.4 TT engine have the pulse-tuned exhaust manifold?

vulcan747 · 05-21-2009, 10:01 PM

This may be only an M option we will be seeing on the X6-M.
Wonder if one could switch out the high performance manifold but then again
the car probably has to have a higher TT PSI in concert with the manifold to extract that extra horsepower.

05-21-2009, 10:01 PM	#1
vulcan747 Enlisted Member 19 Rep 42 Posts Drives: bmw 545 Join Date: Jun 2007 Location: columbus ohio iTrader: (1)	Does the 7's new 4.4 TT engine have the pulse-tuned exhaust manifold? This may be only an M option we will be seeing on the X6-M. Wonder if one could switch out the high performance manifold but then again the car probably has to have a higher TT PSI in concert with the manifold to extract that extra horsepower.
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