Quote:
Originally Posted by mkoesel
That would be redundant since the 5 series, in M5 form, will (most probably) get the new S63 V8 from the X5/X6 M with 555hp and 500ft-lb.
I would like to see an M version of this new V12 though. 700hp should be possible if they apply the same tune as they have in going from N63->S63.
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700hp or thereabout should definitely be possible. The MB S600 which introduced the 493hp bi-turbo engine back in 2003 can be tuned by Renntech to produce 640hp and 775 torque, while the S65 which has a 6.0L engine goes up to 685/870 respectively.