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  1. Banshee.E82

    Technical Need Help Figuring out parts to replace in engine rebuild

    Hello, I'm Nick and I am currently trying to figure out everything that I will be needing to rebuild my engine(N54 2008 135i 8 Bolt Manual @174,XXX Miles) to OEM Spec. I am Planning to get Hydra HP650 Turbos and aim for 550hp with headroom. To my understanding, the stock n54 motor with no...
    • Banshee.E82
    • Thread
    • bearings block engine head head gasket head studs hp650 n54 pistons
    • Replies: 2
    • Forum: N54
  2. N52John

    BPC N54 Motor Build

    BPC no longer offers these services
    • N52John
    • Thread
    • 335i block bmw bpc machineshop n54 turbo twinturbo
    • Replies: 18
    • Forum: N54
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