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1-19 of 25 Results
  1. E46 General
    Hey Everyone! I have an incomprehensible and sudden oil consumption\drop of crankcase vacuum issue with my 330Ci Long story short: The car has about 165k miles. At 150k miles I've done the O2Pilot mod because the car had a very high oil consumption (1qt every 600miles but with also some constant...
  2. Driveline, Performance, Tuning
    2002 330ci w/ a 2005 330i sedan engine Thinking of deleting my SAP and eventually installing catless headers, but not just yet because I have a few problems to address. Has anyone deleted their SAP and kept their stock exhaust manifold. If so, can I delete my SAP without a tune?
  3. E46 General
    Ive been battling to get my car smogged for about a month now. I replaced all the o2 sensors, replaced the dm-tl pump and got that all sorted out. And now, after replacing those 2 things and clearing the monitors and codes, I can get all monitors to set, other than the secondary air pump...
  4. E46 General
    So I had lean codes for one of my banks before, this turned into lean codes for both banks, it's not idling horribly most of the time but it's definitely rough and I get a CEL sometimes, it only misfires noticeably when it's idling, and it seems to misfire less when it's cold. The idle is pretty...
  5. E46 General
    Hi everyone, I just replaced my motor mounts and used an engine support bar to lift it up a couple inches. I drove a bit after the install and got an SES, just a p0174 code. Any first thoughts as to what I may have pulled/stretched/cracked/etc. by lifting up the engine? Intake boot on top looks...
  6. E46 General
    I'm doing my vcg this weekend and replacing all my vacuum lines. while I'm under the good, I'm not sure what size hose, shop life on YouTube said 5/16ths, fcp euro on the other hand has like 4 different size hoses. I cant seem to find much about vacuum lines on this forum. could anyone help me out?
  7. E46 General
    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...
  8. E46 General
    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...
  9. E46 General
    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...
  10. E46 General
    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...
  11. Split_vacuum_cap

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

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

    I added notes from my experience to existing photos from a fellow user. http://forum.e46fanatics.com/showthread.php?t=897616
  14. E46 General
    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...
  15. E46 General
    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...
  16. E46 General
    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...
  17. E46 General
    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...
  18. E46 General
    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...
  19. E46 General
    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...
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