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Thread: Normal rpm range?

  1. #1
    Join Date
    Aug 2005
    Posts
    593

    Default Normal rpm range?

    In what range do you usually ran your engine? In my case it rarely passes over 3000.
    Is it useful to rev the engine up to 4000-5000 from time to time (provided the engine is hot)?
    1994 520i with M50 engine, manual transmission and air conditioner.
    VIN: GG45422

  2. #2
    Join Date
    Jan 2006
    Location
    Connecticut, USA
    Posts
    676

    Default

    Definitely, a good flogging helps clean out carbon deposits and other gunk.

    However, from what I've heard, keeping it at a constant high rpm (5k+) burns oil.
    1990 Islandgrun 535iM Sedan

    3k oil changes | Euro lights + trim | Eibach/Bilstein | EAT Chip

  3. #3
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,839

    Default

    [QUOTE=t_marat]In what range do you usually ran your engine? In my case it should run through the gears full throttle at least once a week or so. I also rarely get the rpms up there.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #4
    Join Date
    Aug 2005
    Location
    Toronto
    Posts
    1,720

    Default

    When pootling around, yes, it rarely goes above 3k.

    But I rarely pootle.
    .


    Jay Lebo - Toronto, Canada
    1990 BMW 535i
    5-speed conversion
    Lightened flywheel
    Sachs Suspension Kit
    E.A.T. Chip

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