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oil pump nut

  1. Oil pump nut loose on m54 b25

    General E46 Forum
    So we have all heard about the oil pump nut backing itself out on the 330 motors, but it was always less of an issue on the B25 motors (from what Ive read). However, I just finished an engine swap in my 325 and was tearing down my 325i motor (for fun, its blown), and the pump nut was literally a...
  2. So this happened lastnite

    General E46 Forum
    so i am thinking the oil pump gave out(had to be that damn nut) or a rod or both. this sucks was driving home last night. any info on a upgrade oil pump :cry::cry::cry:
  3. ZHP specific OPN (Oil Pump Nut)

    Driveline, Engine & DME Tuning
    I got curious about this topic after reading aggieE46's post: Complete thread: :blah: After reading this thread I didn't want to wait around for an answer so I ordered up both parts at a grand total of about $2 from Tischer (I needed a bunch...