No Bov?

Discussion in 'B58, B48, B38' started by doublespaces, Jul 28, 2017.

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  1. doublespaces

    doublespaces Administrator

    AZ
    2009 E93 335i
    So the B58 has no BOV/DV and uses a combination of things to avoid this:
    This makes me wonder how this balancing act can be maintained after moderate to heavy modification. Combined with the no/little vacuum aspect of the Valvetronic and electronic wastegates, it seems there is a little bit of engine tech to catch up on.

    If I recall, the EWG was done midway through the N55, it looks like the N54 will be the last engine with these functions.
     
  2. Bmwfixerguy1

    Bmwfixerguy1 Sergeant

    434
    07 335i MT
    N63R is like this too I believe that all make an extremely unique burble between shifting its pretty bad ass sounding!
     

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