M50 Valvetrain noises .... - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 12-07-2005, 02:10 AM
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M50 Valvetrain noises ....

Hey i have a 1993 m50 engine and lately i have been having some anoying valve train related noises. I get some clicking noise at some cold stardups. Then once the car is warm i get a very small tapping noise from the valvetrain at idle.

Oil has just been replaced and is all the way up.

I reseacher about this issue and it seems that there is a gasket on the oil picjk up tube that is defective and allow air to enter the pump, therefore cousing foaming..

anyone hear, experienced this>\
If so what is the recomended solution??

Thanks

Victor

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#2 (permalink) Old 12-07-2005, 10:11 AM
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hmmm, not sure if thats your problem or not but its worth a look if you feel it may be this problem, see silly me , when i think cold i think -10 to -40 like up here and i know that most or all cars up here act in this way the car is cold they need time to warm up the lifters cause the tapping noise and its a common problem on these cars an engine flush may sometimes help cure this and using something to help quiet the sound of the lifters.... however if your car is warm and these problems are still occuring i really cant say basically its one of those issues you have to see and feel yourself in person to really get an idea on. i know the oil pan gasket can go defective but i dont know it to be a common thing , if anything id say the profile gasket would have more an issue to break down before the oil pan one would

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#3 (permalink) Old 12-09-2005, 06:32 PM
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ticking noise

Check your timing chain tensioner and timing chaine . How many miles do you have on your car ? .
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#4 (permalink) Old 12-09-2005, 08:52 PM
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Quote:
Originally Posted by bad e36
Check your timing chain tensioner and timing chaine . How many miles do you have on your car ? .


good point the timing chain tensioner could very well need to be replaced or repaired.

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#5 (permalink) Old 12-15-2005, 12:52 PM
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Quote:
Originally Posted by Furious
good point the timing chain tensioner could very well need to be replaced or repaired.
The car has 135k Miles,
The timing chain tensioner was replaced with 100k
The chain seems ok, when i took the valve cover out i did not see any anormalities.

I do want to point out something though.
I replaced my coils with new ones from Bavarian Autosport, they have a special winded coil that gives of a little more spark.
The iddle noise has since not occured again.
I think that the noise was just bad coils that would not fire properly at low engine speeds, such as iddle.


Well ill keep you all posted.

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