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Thread: Opinion on M50 head lifetime

  1. #1
    Join Date
    Feb 2005
    Location
    Penang, Malaysia
    Posts
    243

    Default Opinion on M50 head lifetime

    i'm from malaysia and own a manual transmission e34 520i 24v on a m50 non-vanos engine.

    the car is now touching 221,000 km ~ 131,000 miles.

    questions then:
    1. for this particular m50 non-vanos head, what are the frequent problems/fixes ?
    2. what coolant besides bmw blue coolant would be best (phosphate free etc)
    3. any other issues with related this particular engine head ?

  2. #2
    Join Date
    Jan 2004
    Location
    West Palm Beach, South Florida
    Posts
    1,011

    Default

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    93 525i / 01 330Ci / 98 Camry / 91 Volvo 240 / 99 Jeep GC

  3. #3
    Join Date
    Nov 2004
    Location
    Winston-Salem, NC
    Posts
    603

    Default

    Quote Originally Posted by ktteoh
    i'm from malaysia and own a manual transmission e34 520i 24v on a m50 non-vanos engine.

    the car is now touching 221,000 km ~ 131,000 miles.

    questions then:
    1. for this particular m50 non-vanos head, what are the frequent problems/fixes ?
    2. what coolant besides bmw blue coolant would be best (phosphate free etc)
    1. Mine has 175,ooo miles on it with no problems.
    2. There aren't any

    -ashley


    '92 525iA / 179k miles / Born 3.92 / ABS / No ASC / stock / North Carolina



    Paper Gaskets Suck!

  4. #4
    Join Date
    Feb 2005
    Location
    Penang, Malaysia
    Posts
    243

    Default

    besides regular (blue) bmw coolant, would regular coolant sold by major
    oil companies (esso, shell) qualify (ie are they phosphate free) ?

    anyway how would you know if the coolant is phosphate-free - color ?

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