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  1. E46 (1999 - 2006)
    Hello all, For my 2001 325 CI, I noticed a low coolant indicator light, opened the coolant cap and there was an O-ring that seemed to have been dropped in the tank. Not sure if it came from the bottom of the tank or the cap that covers it. I assumed the latter and took it out and secured it...
  2. E39 (1997 - 2003)
    HELLO!!!! I am in the process of bringing an 01 540i M-Tech back to life and need some assistance. I am looking for the size of the o-rings that sit in the coolant manifold and water pump. There are two different pipes, hence two different sized o-rings used. Does any one know the sizes...
  3. E46 (1999 - 2006)
    Hello I recently replaced a TPS Throttle Position Sensor beside the oil pump on my E46 S54 M3. As I removed the sensor there is a aluminum ring behind the sensor which came free, and an -ring behind that which broke in two.. When I ordered a new TPS, there is an O-Ring which sits flush...
  4. E39 (1997 - 2003)
    Greetings, I've used these forums for years, found them extremely helpful, think I have something to give back. The Problem I've driven e39's for 10+ years and my current 2001 530i (5spd manual, sport) was presenting a real head scratcher. When running low rpm's in 2nd gear it would seemingly...
  5. E39 (1997 - 2003)
    We have lots of threads on the VANOS seals and yet, no threads specifically for what is supposed to be deteriorating most, which is the pre-and pos-mortem measurements of the round and square cross-sectional o-rings. Cross sectional size & shape (e.g., flattened edges) Outside diameter...
  6. Tools and Miscellaneous
    Got the O-Ring but didn't need it. Looking to get what I paid for it. Listed on eBay, but will sell "offline." $3.99 with free shipping. http://www.ebay.com/itm/151144847634 Manufacturer Part Number...
  7. E39 (1997 - 2003)
    What are the dimensions & material of the power steering fluid reservoir cap o-ring? As per a side discussion in this thread today: - > E39 (1997 - 2003) > Power steering Fluid If anyone has the actual MATERIAL & DIMENSIONS of the power-steering cap o-ring, please post it here so...
  8. E39 (1997 - 2003)
    I was quite surprised because my car had 123k, and the DISA was in much better shape than I expected. After reading some horror stories about how DISA destroyed engines, I pulled out my DISA and checked its health. Found almost no free play, except just a little bit on the steel pin end. The...
  9. E39 (1997 - 2003)
    Complete list of all o-rings (by size & by part number) to buy when ordering parts I was ordering oil filters today when I realized I should have a ready-made list of o-rings by part number to get while I'm already ordering other stuff (not just for oil changes but for all maintenance jobs)...
  10. E36 (1991 - 1999)
    I attempted to replace the fuel injectors on my 1992 325i (first time doing fuel injectors). After installing them, I had significant difficulty trying to get them all seated properly. This took me 2 evenings of trial and error to sort out. After starting the car and running it, I noticed a...
  11. E39 (1997 - 2003)
    Recently, oil has been seeping out from under the oil filter cover. I went to a BMW-specialist and they suggested I put on a gasket first (I luv going to this shop, free advice and no attempts at trying to get me in for a larger project other than what is actually needed!) Anyway, I opened the...
  12. E46 (1999 - 2006)
    OK i recently installed a used pump from another e46. it was a pretty straightforward job, thanks to bimmerfest saved me a 100! i got a significant boost to my fuel economy and more accurite fuel qty readings. but recently i smelled little gasoline in the interior, and notice staining on my...
  13. E46 (1999 - 2006)
    My girlfriend has a 2001 325i. I am a certified experienced automotive technician. The car is getting up there in mileage and has developed a couple of issues. My main concern is the cooling system. The water pump has been replaced previously and I just replaced the radiator with a larger...
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