Quote:
Originally Posted by malbec
Hi!
Just wondering if anyone knows what M40i stands for
the motor in my X4 is 3.0-liter, M Performance TwinPower Turbo inline 6-cylinder.
Nothing there is a 4 or a 40i
thanks!
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40i or M40i means the car has a B58 engine. It’s just a marketing name, without any roots in reality.