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vacuum

  1. General E46 Forum
    I have a 2004 330i with 110,000 miles on it. In the year I've owned it, I've replaced nearly all gaskets, hose, seals, bolts, and nuts. All of this was to fix an oil weep at the rear main seal and hunting idle. Everything I do has no impact on the hunting idle. I start it up, it goes to 1K...
  2. General E46 Forum
    Hello everyone. I'm getting ready to reinstall the intake manifold on the 2001 330ci coupe, manual transmission. I know which hoses go to #1, #2 and #3. But the two locations denoted by the arrows. I don't recall anything being connected to them, whatever they are. I'm under the impression...
  3. General E46 Forum
    I purchased a 2002 325i 5-speed with 120,000 miles in May. Everything on it worked just fine. But it is a 15-year-old BMW, so I have replaced nearly every part that could go bad in the foreseeable future (coolant system, gaskets... *see below for full list). I have had trouble bleeding the...
  4. General E46 Forum
    Okay so for the past two months I've been struggling to find what is causing my secondary air pump codes. I have replaced the vacuum line that runs from the check valve to the plastic line. That did nothing. I have tried the sea foam trick where you pour sea foam into the hose off the secondary...
  5. vacuum_line_bad

    vacuum_line_bad

    I added notes from my experience to existing photos from a fellow user. http://forum.e46fanatics.com/showthread.php?t=897616
  6. Split_vacuum_cap

    Split_vacuum_cap

    I added notes from my experience to existing photos from a fellow user. http://forum.e46fanatics.com/showthread.php?t=897616
  7. SAPvacuumhoseend

    SAPvacuumhoseend

    I added notes from my experience to existing photos from a fellow user. http://forum.e46fanatics.com/showthread.php?t=897616
  8. General E46 Forum
    Hey guys! Already done some searching on this and couldn't really find anything, plus I'm not sure exactly what to search for. I have had a vacuum leak for a few months and have slowly been replacing things trying to fix it. It has gotten better but is still there. What I have replaced so...
  9. General E46 Forum
    Hi. My son and I just finished up the tear down/cleanup/rebuild of the intake system on his 04 325 Ci (late production M54 - so its the model without the secondary air vacuum system hanging on the end of the manifold). Everything thing went well, but I have a question about the small hard tube...
  10. General E46 Forum
    My E46 325i Sport Manual now has 170K miles and ever since I've owned it (from 130K) it has had problems in the low range: 1) When the car is cold it pulls away smoothly - no problems. 2) When the car is warm, it idles smoothly with the foot off the gas at 800RPM. If I let the clutch out...
  11. General E46 Forum
    I apologize - I know there's too many of these, but I didn't want to hijack another poster's thread, and the resolution to my issue may take a different direction. I've read every thread I could find here and elsewhere, and have eliminated many of the common diagnoses for my Lean Code...
  12. General E46 Forum
    Hi everyone, So I've been tracking down a vacuum leak on my 2001 330i for a while now, and I just found a split in the vacuum line between the Secondary Air check valve and the vacuum control switch (3/4 in the attached diagram). Ideally, I'd like to replace all the little lines back there...
  13. General E46 Forum
    Hey all - I've got an '04 E46 325i sedan, M54 5-spd. Recently I've been subjected to an annoying whistle that seems to rear it's ugly head during light throttle. I do have a K&N CAI installed and have checked both upper and lower intake tubes as well as the corresponding vacuum lines. No...
  14. General E46 Forum
    Hey all, This would be my second post on this issue as I have wandered through countless posts with no avail in reaching a solution My car is a 2004 325 with 101,xxx miles on it General description of the problem: - Whistling noise on acceleration, varies with throttle, most noise between...
  15. E46 Xi Forum
    Hey all, This would be my second post on this issue as I have wandered through countless posts with no avail in reaching a solution My car is a 2004 325 with 101,xxx miles on it General description of the problem: - Whistling noise on acceleration, varies with throttle, most noise between...
  16. General E46 Forum
    So I replaced my Disa valve on Saturday, and noticed that the little elbow on the lower intake boot was starting to crack. Ordered one from the dealer and put it on last night. Unfortunately somewhere along the way I broke the smaller of the 2 vacuum lines the go to the "F" connector that plugs...
  17. General E46 Forum
    Hi all, My '01 325iT has an stubborn idle surge. This happens primarily when slowing or coming to a stop after driving (like when sitting at a stop sign or light), and is especially noticeable when the AC is on. Engine idle oscillates between 400-1000, eventually settling into the nominal...
  18. 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 -...
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