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1-19 of 55 Results
  1. E46 General
    I've owned my 330Ci vert for a year. The car has 96k miles on it. When I changed out the AC compressor, I noticed that I have an oil leak. There wasn't any oil on the ground because the splash shield was catching everything. There is weeping around the oil pan as well as lots of oil collected...
  2. E46 General
    I am well aware that these cars are notorious for oil leaks around the valve cover. The valve cover gasket was replaced about 20k miles ago by the previous owner (as I was told). I have recently noticed some oil leakage on one of the top valve cover bolts near the engine lift hook (images...
  3. E46 General
    Hey everyone, Have an issue with my 2004 330i that I'm hoping I can get some 'ideas' and things to check to find the cause. Read many of the older threads about oil level sensors leaking. The car has 154k miles and it does see track time and have been having it maintained by a local specialty...
  4. E46 General
    After removing my oil filter housing to repair a suspected leak, I noticed oil above the mounting surface. It appears to be coming from the head gasket. Before I dive into that big of a job, I’d like some input. The car runs fine other than the severe oil leak. The coolant and oil are not mixing.
  5. E46 General
    Hello guys, for the past week my e46 has been leaking oil from the front of the engine to the ground on the passenger side. Originally I had thought it was my valve cover gasket since it was a cheap rock auto one, so I ended up buying an OEM kit with new grommets and washers, I torqued it all...
  6. E46 General
    Hi, all. I've been tracking down an oil leak which I think is coming a lower CCV hose. (Right hand side of hose number 4 on this diagram.) Can any of you experts confirm I'm barking up the right tree? I had planned on installing the cold-weather CCV system before winter, but if it is in fact...
  7. E46 General
    How original, my 2005 330CI has an oil leak. Where could this be coming from. Looks to be gathering at this exhaust point. Looking from the top of the engine removing the plastic covers and looking around the valve cover gasket, there doesn't seem to be any signs of fresh oil.
  8. E46 General
    There's a good amount of oil residue on my power steering reservoir but I've ruled out the hoses as there is no oil on them and I can't see any cracks. There's also no oil on the top of the tank so I don't think it's the O-ring in the cap (I'm going to replace it anyway). All of the oil is on...
  9. E46 General
    I’m planning on replacing my oil pan gasket on the 330i 2003, I’ve heard you need to drop the subframe. If I’m going to replace my rack and pinion as well do I still need to drop the subframe?
  10. E46 General
    Hey guys, I was just driving to the store today and noticed some smoke coming from the engine bay, pulled over and traced it to under the intake manifold area. I figured just some oil leak from the valve cover gasket and didnt think too much of it. After coming out of the store, the car was...
  11. E46 General
    Hi all, first post here as a brand new poster (very exciting, i know). Been a fan of E46's for a while now and im finally looking to pull the trigger and pick one up. One particular car for sale at the moment caught my eye... A manual 325ci with just over 80k miles. The car is being sold rather...
  12. E46 General
    I recently purchased a 2005 330i (my first car) and am aware a few issues with it (such as a coolant leak, of course) as I took my mechanic with me and had him hook his scanner up to the car to check everything out. Now, neither the seller nor my mechanic mentioned anything regarding the...
  13. E46 General
    I had this problem a few months back, and I assumed it was a valve cover gasket so I replaced that and the problem went away up until now. Not sure if the valve cover is leaking again, or if the oil is leaking from elsewhere. Any help would be greatly appreciated.
  14. Driveline, Performance, Tuning
    I was under my car checking the tie rods when I noticed some oil on the plastic skid plate and under the engine. It's a 2005 ZHP with 165k miles. I looked around the valve cover gasket and didn't notice any oil leaking there. The valve cover gasket was replaced about 65k miles ago and the oil...
  15. E46 General
    Don't worry. Mine was as well when I first got it 5 years ago. Since then, I've replaced every oil seal imaginable and have a squeaky clean engine. Not only is it much more enjoyable to work on, it greatly helps with PM as leaks can be more easily detected. With very little time and $$, you too...
  16. E46 General
    hello! I know there are many forum threads about oil leaks on N42B18, but none of them seems to answer my problem. When I bought my e46 3 weeks ago, there was s small oil leak from the top cover and I changed the top cover gasket and oil filler lid right away. after that, everything got worse...
  17. E46 General
    Let me start by saying I'm not the most mechanically inclined BMW driver, but after 7 years of having other people work on my e30, I would like to start getting my hands dirty on my e46 touring. I bought the car with a sizable oil leak, but had the pan gasket replaced about 1k miles ago. (I...
  18. E46 General
    Just changed the valve cover gasket and 15 grommets on my e46. Previously, it smoked some and smelled like burning oil at idle. I put everything back together and took it around the neighborhood. Well it smelled like burning oil and about 5 minutes in, the yellow oil light came on. I immediately...
  19. E46 General
    Hi, Can anybody tell me if oil leaking onto the 02 sensor connector block could cause a short-circuit? I was under the impression the connection was water-proof? I was expecting to find the connectors near the top of the engine, but there's nothing there, they are near the oil sump
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