Quote:
Originally Posted by clived
My view is that a tuned 1M and a tuned N54 135i will make the same power. The 1M is slightly lighter (right?) and has the lightened flywheel, so will have marginally better power to weight, better throttle response, and of course potentially better traction if the surface doesn't offer optimal grip. So it's very likely to be faster. A tiny tiny bit faster.
What it isn't going to do is handle better or be more fun. Which is why I'm moving from tuned 135i to 1M.
Out of curiousity MrRoboto, the burden of proof could lie in the other direction - what proof is there that the 1M engine isn't the same as the N54 135i? I'm not saying it is or isn't, but I haven't seen actual proof, only some words on my laptop screen.
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My proof comment was tongue in cheek, as neither side has absolute proof weather the complete engine is or isn't exactly the same however every review I have seen mentioned a tweaked intake and exhaust.
And dont forget the drivetrain...the 1M has a higher final drive ratio.