Quote:
Originally Posted by 23109VC
So if this is the same motor in an M340i... then can we expect that with a tune and bolt ons we will See 500+ hp in that car too?
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Not sure what you are talking about, but M340i has B58(single turbo) where X3M(twin turbo) has S58. X3 M40i is more of comparsion to M340i.