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The BMW Range
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E46
E46 N42 Weird Noises
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<blockquote data-quote="yohannes" data-source="post: 30105" data-attributes="member: 24653"><p>Hi guys, Thanks to all the fellow forummers who have been very helpful and generous in sharing knowledge, I have learnt more about my car in 6 months of ownership. At the same time, it has also been a challenge owning the car which spent alot of time in the workshop rather than being driven. With some 18k spent on the car in the last 6 months, I really hope that the major problems have been taken care of, and right now there are a few irritating issues which I would like to weed out. 1. The first and most annoying, is the strange sounds from the engine. Even after a top overhaul, the engine still sounds like a diesel. Visits to a few mechanics have not proven useful as well as I was told that it is "normal" for the engine to sound like that. Sigh.. Anyway, I have uploaded a video on youtube and hopefully someone will be able to point out the cause of noise : <a href="http://youtu.be/bC6cTETbhDU" target="_blank">http://youtu.be/bC6cTETbhDU</a>At the start, I am filming the right side of the engine where the dipstick is. There is a very annoying "screeching" sound coming from that area. It does not happen perpetually but seems to be getting worse. Thought it might be the pulley's but it isnt. Anyone had experience with this sound before?Secondly, going to the left of the engine, there is a loud "rattling" noise coming from the engine as well. Visited one mech who suspected a water pump and disassembled everything only to tell me that the sound was coming from inside the engine only made me feel worse... Was asked to refer to the mech who did my top overhaul but the mech who did the top overhaul says it is "normal" to sound like that. Would be great if anyone could provide some pointers on this. 2. Have yet to get this checked/fixed but I have a loud "humming" sound from the rear of the car when cruising at around 110kM/h. Sound dissapears beyond that speed but seems to come in again at higher speeds around 140-150kM/h. Based on my previous post, seems that I should suspect the long shaft . Any other ideas?3. Vibration during idle. Engine mountings have been changed, spark plugs, ignition coils etc. Have been to the mech several times for this but still, nobody seems to be able to point out the cause of vibration. Vibrations are more pronounced with the air cond off, and seem to dissapear after the car has been driven for some distance ( 20-30 mins ) Appreciate any and all advice. Hope to fix the car to perfection so that I can really enjoy my UDM. Thanks guys.</p></blockquote><p></p>
[QUOTE="yohannes, post: 30105, member: 24653"] Hi guys, Thanks to all the fellow forummers who have been very helpful and generous in sharing knowledge, I have learnt more about my car in 6 months of ownership. At the same time, it has also been a challenge owning the car which spent alot of time in the workshop rather than being driven. With some 18k spent on the car in the last 6 months, I really hope that the major problems have been taken care of, and right now there are a few irritating issues which I would like to weed out. 1. The first and most annoying, is the strange sounds from the engine. Even after a top overhaul, the engine still sounds like a diesel. Visits to a few mechanics have not proven useful as well as I was told that it is "normal" for the engine to sound like that. Sigh.. Anyway, I have uploaded a video on youtube and hopefully someone will be able to point out the cause of noise : [URL="http://youtu.be/bC6cTETbhDU"]http://youtu.be/bC6cTETbhDU[/URL]At the start, I am filming the right side of the engine where the dipstick is. There is a very annoying "screeching" sound coming from that area. It does not happen perpetually but seems to be getting worse. Thought it might be the pulley's but it isnt. Anyone had experience with this sound before?Secondly, going to the left of the engine, there is a loud "rattling" noise coming from the engine as well. Visited one mech who suspected a water pump and disassembled everything only to tell me that the sound was coming from inside the engine only made me feel worse... Was asked to refer to the mech who did my top overhaul but the mech who did the top overhaul says it is "normal" to sound like that. Would be great if anyone could provide some pointers on this. 2. Have yet to get this checked/fixed but I have a loud "humming" sound from the rear of the car when cruising at around 110kM/h. Sound dissapears beyond that speed but seems to come in again at higher speeds around 140-150kM/h. Based on my previous post, seems that I should suspect the long shaft . Any other ideas?3. Vibration during idle. Engine mountings have been changed, spark plugs, ignition coils etc. Have been to the mech several times for this but still, nobody seems to be able to point out the cause of vibration. Vibrations are more pronounced with the air cond off, and seem to dissapear after the car has been driven for some distance ( 20-30 mins ) Appreciate any and all advice. Hope to fix the car to perfection so that I can really enjoy my UDM. Thanks guys. [/QUOTE]
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