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Thread: What's the best engine oil to use on my 23 yr old e34 525 1992 model bemma.?

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  1. #1

    Default What's the best engine oil to use on my 23 yr old e34 525 1992 model bemma.?

    Previous owner used a diesel 40body...

  2. #2
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    Easiest to install is the same engine, no changes necessary, just think about ECU, engine wiring loom, transmission, driveshaft length/size, cooling system etc.

  3. #3
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    Oh, try a search, you'll find more than enough opinion on the subject.

    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

  4. #4
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    Mobil1 0-40 in the USA
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  5. #5
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    Uhm, Shogun, he's looking for oil, not an engine

    I have the same M50 non-vanos and have been using a full-synthetic Mobil1 0-40 or similar weight synthetic castrol for many years. vehicle is only driven in summer months, oil get changed once per year.

    Dave

    10/90 Build 525im, 630,000+km, Eibach/Sachs, Engine Rebuild
    *RIP Oskar the DOG *

  6. #6
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    Sorry, I thought he wants to change the engine, misunderstanding, should have read more carefully.

  7. #7

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    Is the Mobil 10 _40 good for the tropics..
    I'm in Trinidad. .....Yeah jack warner......

  8. #8
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    Quote Originally Posted by alinesolutions View Post
    Is the Mobil 10 _40 good for the tropics..
    I'm in Trinidad. .....Yeah jack warner......
    My old handbook says 10w40 is recommended for outside temperature of -20 to +30C.

    If my search result is correct, your outside temp is +20 to +30C all year round.
    So you could even go with 15W40. That is good for -10 to +40C.
    Oct '00 E46 330i. Feb '92 525i (departed)

  9. #9
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    Currently use a 10w40 high milage oil and change once a year in my 95 with M50 engine. Only drive it about 1300 miles a year.
    Thanks,

    1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment

  10. #10
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    Quote Originally Posted by alinesolutions View Post
    Is the Mobil 10 _40 good for the tropics..I'm in Trinidad. .....Yeah jack warner......
    Yes, no problem, I live in Japan and in summer season with hot climate it is between 25 up to 35 degree Celsius and my E36 M3 uses Mobil 10W 40. Mobil I use because I can get it cheap here from Costco, actually I have no preference. Regular change and a filter change are more important.

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