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air leak

  1. Air leak help! hissing sound (secondary air pump?)

    General E46 Forum
    Hi everyone, I took my baby home from my dad's house, approx 20-40 mins away from my house I parked in my garage and switched the engine off and had a panic attack because i started hearing a loud hissing air leak (like a tire flattening) that i was unsure about, and it wouldn't stop, knowing...
  2. Hard start and stalling!!!

    General E46 Forum
    Hi Guys firstly absolutely great forum, long time bmw lover first time poster. I am in need of some help and do not fancy getting ripped of by my local bmw garage in sunny England. My ride is a brillant 2000 bmw 325ci. this is my first coupe and I am having serious problems already car is on...
  3. E46 fault code and engine noise

    General E46 Forum
    Hi everyone! I am new to the forum so bear with me! My newish (2000) 318i has a fault code " 171 Check, fuel supply system (EUIII code: P0170)" Anyone have any ideas? There is an intermittent hissing sound when the engine settles from a rev, and a large hiss when I turn the engine off. -...
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