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Thread: M50B25TU Ticking noise - video

  1. #1
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    M50B25TU Ticking noise - video

    Hello, I ve bought e36 and it s clicking from 5th cylinder I guess ? I thought it was lifter but now i am scared because the sound is loudest from oil pan. I am very stressed now that it s knocking bearing or something that bad. Can you please help ? Video

    https://youtu.be/fCN2IQfpzsE

    Thank you for any help

  2. #2
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    It sounds a lot like lifter tick, slow rate instead of fast.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods. RomRaider self-tune work in progress.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg: Many Mods ~300ft/lbs tq, diesel, daily beater. Love/Hate relationship.
    - S52 Estoril M Coupe

  3. #3
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    I would be very happy that it would be lifter.. I started car today and for first 30s i swear it was not that noisy, then clicking like this again. I really can t sleep from this. Thank you for reply.

    - - - Updated - - -

    I just don t understand why is the noise coming from oil pan..

  4. #4
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    I don't hear anything that sounds like a bearing failure either.

    If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue

  5. #5
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    Thank you guys, I have calmed down a bit. If itīs lifter, itīs safe to drive with ? I just hope that this engine will last some time.

  6. #6
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    BUMP

    And i just wonder if using 10w-60 helps ?

  7. #7
    dworthy's Avatar
    dworthy is offline Wagon meister :) BMW Tech Expert
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    10W-60 is only for the M-cars, and you do not need it in that car.

    If you want to run a heavier oil, then go with either a 0W-40 or a 5W-40. What I would suggest doing it taking off the valve cover and having a look to see how much sludge is built-up in that motor. A simple flush can clean out the lifter and the oil system to get rid of minor sludge, but if you have goops of it, well that's a different story.

    As for driving it, lets see what under that valve cover first. Also make sure you get the gasket, and the profile gaskets to go with it. As an added bonus, get the rubber O-ring grommets that are on the bolts too.
    Darin
    Current:
    05 325it Electric Red(438)/Gray(N6TT) ZCW, ZSP 5sp Manual Back set cover, trunk mat, Euro Infra-Rot front windshield, and mud flaps! Mr. Wagon (Original Owner)
    05 M3 Imolarot II(405)/Gray(N5TT) ZCW, ZPP 6sp Manual C.F. Lip, CSL diffuser, Euro Infra-Rot front windshield and a trunkliner! Mr. Go_Fast (Stored for the Winter, 2nd Owner)
    95 318is Montreal Blue Met (297)/Beige(K1SN) a work in progress - Winter Car! (10th Owner; That is what happens when it gets passed around by Soldiers!)
    Past:
    84 M535i gray market Burgandy Rot Met/Black Leather Lowered by Intrax on bilies, poly everywhere, B&B cat back system, K&N, and a hitch! Da Beast - Still running w/375k+! (2nd Owner)
    91 316i euro Tizianrot/Gray cloth - E-36 w/M-40 motor, such a beater, but great on gas! Best was 38 MPG (2nd Owner)
    82 528i euro Saphire Blue Met/Blue Leather RIP
    79 525 euro Green/Green RIP
    79 318 Silver/Black - The first one that got it all started
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  8. #8
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    Actually now is 10w-40 in, and it ticks. So I need something little bit heavier. I am definitely going to take the cover off, that sounds like a good idea. Thank you for reply.

  9. #9
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    5w-50 Maybe ? There is a lot of info about oils but somebody say this and somebody this.

    EDIT : After a lot of searching I think I will give a try to Mobil1 5W-50.
    Last edited by LukasGTi; 07-17-2017 at 02:27 PM.

  10. #10
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    What weights if oil does the owners manual say to put in the engine? A 50 weight is too thick. Yes, it may decrease lifter noise but it's too thick for the engine!

  11. #11
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    Quote Originally Posted by LukasGTi View Post
    Actually now is 10w-40 in, and it ticks. So I need something little bit heavier. I am definitely going to take the cover off, that sounds like a good idea. Thank you for reply.
    Heavier oil is not the cure all for noisy lifters.
    There could be varnish accumulated from using poor quality oil or too long change intervals.
    My advice is to perform several short interval (1000 miles)changes using high quality recommended weight oil, 5/30 or 15/40 to see if the noise abates.

    I do not advise any "flushing" as these will let loose a lot a crap at once possibly overwhelming the filter or clogging a pick up. NOt to metion that any solvent makes a lousy lubricant so whatever anyone tells you it is not good for your engine.

    If you can leave two black stripes from the exit of one corner to the braking zone of the next, you have enough horsepower. - Mark Donohue

  12. #12
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    I know that 50W is not recommended by BMW, but after a lot of mileage and engine wear, I think it could be ok ? My plans with this car is drifting, so It will be stressed a lot.

    I am not going to do any flush, thank for your advice!

    I have ordered 5-50W already, but now I am thinking of buying some 15/40 just for few hundreds miles, check the noise intensity, and then change it again and try different weight maybe ?

    I just donīt wanna to kill the engine, still hoping that this tick is "just" a lifter.

  13. #13
    dworthy's Avatar
    dworthy is offline Wagon meister :) BMW Tech Expert
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    The thing with oil is you have to know what both numbers mean. At first I ran the recommended 5W-30 in the 318is, and it loved to drink a quart every 2k or so. So I decided to go with the 0W-40 and that helped with the drinking problem as in I can go roughly 4k before it drinks a quart. The valve train noise is about the same between the two oils.

    If you have noisy lifter, it is better to go with either a 0W or 5W to keep it quite, if you have a drinking problem, then going with a 40 or 50 will help with that. So the 5W-50 should help on an older engine to slow down the drinking and help clean out the motor too.
    Darin
    Current:
    05 325it Electric Red(438)/Gray(N6TT) ZCW, ZSP 5sp Manual Back set cover, trunk mat, Euro Infra-Rot front windshield, and mud flaps! Mr. Wagon (Original Owner)
    05 M3 Imolarot II(405)/Gray(N5TT) ZCW, ZPP 6sp Manual C.F. Lip, CSL diffuser, Euro Infra-Rot front windshield and a trunkliner! Mr. Go_Fast (Stored for the Winter, 2nd Owner)
    95 318is Montreal Blue Met (297)/Beige(K1SN) a work in progress - Winter Car! (10th Owner; That is what happens when it gets passed around by Soldiers!)
    Past:
    84 M535i gray market Burgandy Rot Met/Black Leather Lowered by Intrax on bilies, poly everywhere, B&B cat back system, K&N, and a hitch! Da Beast - Still running w/375k+! (2nd Owner)
    91 316i euro Tizianrot/Gray cloth - E-36 w/M-40 motor, such a beater, but great on gas! Best was 38 MPG (2nd Owner)
    82 528i euro Saphire Blue Met/Blue Leather RIP
    79 525 euro Green/Green RIP
    79 318 Silver/Black - The first one that got it all started
    M-Flight Member

  14. #14
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    Actually I own the car for just a few days, but previous owner said it didnīt drink much. Thank you for advice !

  15. #15
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    Changed the oil today !

    Heated up, quick spirited drive. After that i made video again.

    https://youtu.be/8ACq2Wv-ePM

    It s alot quieter, don t you think ?

  16. #16
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    Anyone ?

  17. #17
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    You're still worried?

    Sounds similar to original video, which wasn't that bad to begin with. Still sounds like mild valvetrain noise, which is fine. Drive the car. Use normal 0w-40 or 5w-40 in it.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods. RomRaider self-tune work in progress.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg: Many Mods ~300ft/lbs tq, diesel, daily beater. Love/Hate relationship.
    - S52 Estoril M Coupe

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