Quote:
Originally Posted by GuidoK
That 255lbs weigth differential is I think for the whole car?
So for that you're also counting (this is not a complete list):
- larger front and rear brakes
-dual back exhaust box (complete exhaust in itself is larger thus heavier)
-bigger differential, bigger CV joints
-oil cooling system
Looking at the quoted individual weights of blocks by BMW, I estimate that the difference in weight between engine blocks is about 50lbs, 60lbs tops.
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You could be right, but the difference in turn-in responsiveness between the 3.0si and M coupes I owned at the same time would suggest that the weight savings on the front end is substantial. 60lbs. wouldn't account for it.