Unbareable Tapping Noise - 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 08-30-2005, 01:53 PM
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After an oil change i notice my car make a really loud valve tap noise. Anyone know how to quiet this down a bit or maybe quiet it down period. This is on a 318i 92, i think its the m40 engine. thnx
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#2 (permalink) Old 08-30-2005, 03:58 PM
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how long have you had the car for? How many oil changes? Did you go to a higher weight oil? Anything new happen?

I used some Risolene for about 100 miles, and then drove quite hard just before draining the oil. I also changed out my timing chain tensioner, and that seemed to quite the engine a bit.

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#3 (permalink) Old 08-30-2005, 10:04 PM
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could be a seemingly dumb question but, are you sure you have enough oil in it?
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#4 (permalink) Old 08-31-2005, 01:49 AM
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had the car for a month now i got oil change like 3days ago and it made the noise at the shop. I took it took her to a BMW Specialist shop. the oil in there is 20w50. im not sure if its too thick that the lifters not getting enough pressure because seem to me it does it when its cold, like in the morning.
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#5 (permalink) Old 08-31-2005, 09:52 AM
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I think there is something about this in the Bentley manual. It's probably valve train, and probably lifters. I'll try to look when I get home.

Greg

97 328iS, Manual, Stock
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#6 (permalink) Old 08-31-2005, 11:37 AM
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Quote:
Originally posted by Gkamysz@Aug 31 2005, 09:52 AM
I think there is something about this in the Bentley manual. It's probably valve train, and probably lifters. I'll try to look when I get home.
[snapback]373564[/snapback]
I think 20 weight is too thick. Did you read your "Owner's manual" ?
What is the recommended oil (per your manual) ? I would recommend
changing the oil to may be 10W or 5W (or even 0W if using synthetic).
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#7 (permalink) Old 08-31-2005, 12:07 PM
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i'll politely ask them to switch it to 15w40 or something for me.. i dont know if some shop would do this for free tho.
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#8 (permalink) Old 08-31-2005, 12:14 PM
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A lot of guys run 20W-50 here.

Greg

97 328iS, Manual, Stock
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#9 (permalink) Old 08-31-2005, 12:32 PM
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i'll see to this.. i hate lifters or valve taps noise.. make me feel my engine is not at the top of its game.. maybe not enough octane in the petrol here.
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#10 (permalink) Old 08-31-2005, 05:39 PM
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I asked a BMW mechanic yesterday and he said they put in 10W40! But it all depends on where you live, how hot or cold the weather is!

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#11 (permalink) Old 08-31-2005, 06:30 PM
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Asking opinions on what weight oil to use is a never ending saga. I use 20W50, valvoline, and I am in Los Angeles.

However, I think regardless of the weight, there should be no problem in gettin oil to the lifters. They might be oil starved for 2 seconds at start-up, but if you are not getting oil to the lifters, I don't think a lower weight will help that much.

You need something to clean them with - and, like I said earlier, I tried Risolene (yellow bottle, 1 quart) and added that to my crank case. I think it helped tremendously.

btw - do you live in the US?

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#12 (permalink) Old 09-01-2005, 07:06 AM
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i lived in australia now... used to live in the US.. yea it do get hot down here.. even our winter is like america spring temp. our summer get dessert hot like arizona and such.. so i reckon they know what they're doing with 20w50
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#13 (permalink) Old 09-16-2005, 01:26 PM
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I have 0w40 oil weight on my m50 engine.

I had the horrable tapping noise from the valvetrain every morning.
Then after using this oil, the engine is way more quiet, not a single noise coming from the valves area.

Really recommend it.

Sold at Bavauto.com
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#14 (permalink) Old 09-17-2005, 12:21 AM
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hmm 0w40 ok i give that ago.. i think the weight is a bit too thick for the m40 cyn 1.8 anyway.. but im not so sure because australia could get really hot even for its spring and their winter are still warm..
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#15 (permalink) Old 08-14-2008, 08:34 AM
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hi what oil should i use in my m50 engine? tapping all the time but it's getting on my tits now!! i'm in cold uk!!

cheers
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