Quote:
Originally Posted by grimlock
A low-Dyno on a BMW -that's a rarity!
But this is a British mag right?
But the car got a crazy 0-100kmh, 4.32s without launch control. It was 0.65s faster than the E63. And the E63 was showing higher dyno figures (relative to stated) -go figure.
The larger displacement of the E63 cries out for an output boost /tune. Seems more precarious with the M5, you would want to keep it stock, BMW has wrung out a lot performance from the engine already.
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That's quite wrong. Any motor from the factory with 552hp is built to last. If it was on it's last legs, it wouldn't have 552 hp. In fact, tuners of the same motor in the X5M and X6M are extracting another 100hp in just a tune alone.