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      10-09-2019, 04:31 PM   #27
upsidedownfunnel
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Drives: 2014 335i
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2014 BMW 335i  [0.00]
Quote:
Originally Posted by F32Fleet View Post
GPF(Gas Particulate Filter) to blame?

Kinda ironic if so.
No, they're just different versions of the B58. The Euro M340i uses a version of the engine that is almost the same as the American M340i and American Z4 M40i. The Euro M340i makes about 375hp which is a direct result of the GPF required for European cars.

The B58 version in the Euro Z4 M40i and Supra are just different. I think it's mostly due to tuning, but there are some B58 versions with different parts. For instance, the earlier 320hp versions of the motor did not have the head-integrated exhaust manifold that more modern versions do.
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