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Thread: M50 timing chain mileage

  1. #1
    Join Date
    Feb 2006
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    Default M50 timing chain mileage

    How long can the timingchain last? My car have 230 000km now.

    Should I get it replaced? Is that something I could do myself? What parts do I need? there are 3 chains right?
    Eurospec-12/1988-535iL-M30B35-5speed

  2. #2
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    Mar 2006
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    East Brunswick, New Jersey
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    Default

    143k miles is young. There is no need to replace it at that mileage. Yes there are three chains. The secondary between the two cam sprockets, the main between the exhaust cam sprocket and the crankshaft, and one between the oil pump sprocket and the crankshaft.
    '01 540it, 6/01
    '03 325i 5 speed, 9/02
    '10 535ix. 9/09
    '10 mini 6 speed
    '15 mini countryman 6 speed

  3. #3
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    So Cal
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    Default

    The chain should be good for the life of the engine.

    Greg Mendoza

  4. #4
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    Default

    Quote Originally Posted by Mendozart
    The chain should be good for the life of the engine.
    I hear the same thing when i asked about that regarding my previous car, a ford sierra with a 2 litre c engine "nah that chain lasts as long as the rest of the engine"

    "Bang" at 205 000km the chain snapped, and I had to buy a new engine..

    Just want to make sure this is not true for the M50.
    Eurospec-12/1988-535iL-M30B35-5speed

  5. #5
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    they are made to last a very very long time....this isnt a Frod.
    95 E34 530I V2.31
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  6. #6
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    Ok... I saw a "high performance" chain kit at a local bmw tuning shop.
    They said it was a must for bmw`s with a chip. (higher revs)
    Eurospec-12/1988-535iL-M30B35-5speed

  7. #7
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    dont forget the braided radiator hoses and yellow racing wires.

    95 E34 530I V2.31
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  8. #8
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    haha!

    Yeah got your point... But i think its a serious store..
    "V.S motor" (built the M5 3,8 - 1129bhp / 1130Nm 833ft.lbs torque

    I got my answers, so if i snap my chain im gonna blame you guys
    Eurospec-12/1988-535iL-M30B35-5speed

  9. #9
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    LOL well if your putting out 1100hp I WOULD recommend the new chains
    Quote Originally Posted by Espen
    haha!

    Yeah got your point... But i think its a serious store..
    "V.S motor" (built the M5 3,8 - 1129bhp / 1130Nm 833ft.lbs torque

    I got my answers, so if i snap my chain im gonna blame you guys
    95 E34 530I V2.31
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  10. #10
    Join Date
    Apr 2006
    Location
    chicagoland USA
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    Default

    bottom line this isn't a ford where you undo 3 bolts and it falls off, the chains require a decent amount of mechanical ability, as well as some special tooling- one just to hold the cams in place IIRC.

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