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  1. Very loud engine hissing

    General E46 Forum
    Hi everyone, my 325ci is making a terribly loud hissing noise from behind the dipstick. Previously, the dealer had told me that the DISA needed to be replaced for $650. Yesterday I used the German Auto Solutions DISA repair kit and the car is still hissing. I installed everything properly and...
  2. Accelerator sqweek / hiss

    General E46 Forum
    Noticed a new noise seemingly coming from engine bay: Only hear it when I accelerate / decelerate through the "2 - 3" range (on a scale from 1 to 10 of throttle / gas pedal range) i.e. only the 1st bit on depressing the gas pedal, and then also on the last bit of letting foot off gas pedal...
  3. Engine hissing noise

    General E46 Forum
    I have a 2003 330i sedan and started hearing a distinct hissing noise from the engine compartment right behind the oil dipstick. I took it in to the dealer since I had my inspection 1 service performed just a few days ago and the shop foreman said that he could not see any leaks and there was no...
  4. oise when I turn engine off - PLESAE HELP!!

    General E46 Forum
    Hi all, I have a 2000 E46 318i with the engine management light on - code p0170 (check fuel supply system) There is a slight hissing noise sometimes after I rev the engine a bit, and a BIG hissing noise after I turn the engine off. Here is a video I took -...