Quote:
Originally Posted by ozinaldo
I agree with you that the engine in Z4is deserves the M badge more than anything else in that car, but you also know that it is not THAT identical engine in the 1M, right? M engineers just didn't put the engine untouched in the 1M engine bay and put a sticker on it to fool people. They further worked on it (maybe not too much a change you can say, but they sure did).
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Please share with us all exactly what they did to the Z4 35iS engine when they added it to the 1M...
It has the same power, torque, (I've dynoed both and they were within 2kW of eachother and the curves were identical) and both have the same overboost function.
The marketing from BMW even said it was the engine from the Z4 35iS.
The sticker change is the only bit we know about, so your facts about what has changed will be of great interest to us all.