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Thread: Do You Have a Religious RPM Limit You Follow While Warming Up?

  1. #1
    Join Date
    Jul 2006
    Location
    ~30 Miles North of Chicago, Illinois
    Posts
    591

    Default Do You Have a Religious RPM Limit You Follow While Warming Up?

    That's right folks it's another one of my 'I might have OCD' threads...

    Do you have routine rpms you use while your car's engine temp is not optimal?
    I know I do.

    Indulge in my routine:
    -After starting engine: My driveway is ~100ft: 2,000 RPM limit.
    -While engine is in the tiny blue zone: 2,500 RPM limit
    -Engine is out of blue zone: 3,000 RPM limit
    -Over 1/4 warmed up: 3,500 RPM limit
    -Engine is just at operating temp: 4,000 RPM limit
    -Before I'll go over 4,000-4,500 RPM I will drive awhile further at operating temp, to allow: engine oil, trans oil, differential oil, etc to get more up to temp.

    So am I weird? Also, could I be doing something bad here???? Yikes!
    [1994 530i/5-Speed]

  2. #2
    Join Date
    Oct 2005
    Location
    Jersey, C.I. - UK
    Posts
    182

    Default

    Mine's a bit rough when it's cold at the moment, like the coldstart circuit isn't working.. Will look into when I get the time, but until then I tend to blip the revs upto 1500-2000 max while it's bad (normally only about 2 mins tops)..
    Between then & fully warmed up it's max of about 3000-3500rpm, although I have been known to rag the daylights out of it when stone cold a couple of times - normally after an arguement with the mrs or something! :/
    I feel more guilty about ragging the car when cold than the arguement that caused it usually though, is that bad?

  3. #3
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
    Posts
    4,243

    Default

    You aren't doing anything wrong. I wish I had your patience.
    Beating a cold engine is about the worst thing you can do to it.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  4. #4
    Join Date
    Oct 2005
    Location
    Jersey, C.I. - UK
    Posts
    182

    Default

    the main reason I'm so good with mine normally is because i'm scared of breaking the gearbox!
    Not that i'm any less scared of breaking a cold engine of course, just more paranoid about the already-fragile 4hp-22!

  5. #5
    Join Date
    Jul 2006
    Location
    ~30 Miles North of Chicago, Illinois
    Posts
    591

    Default

    Quote Originally Posted by JerseySi
    I feel more guilty about ragging the car when cold than the arguement that caused it usually though, is that bad?
    no! you should care about your car
    [1994 530i/5-Speed]

  6. #6
    Join Date
    Jul 2006
    Location
    ~30 Miles North of Chicago, Illinois
    Posts
    591

    Default

    Quote Originally Posted by Ross
    You aren't doing anything wrong. I wish I had your patience.
    Beating a cold engine is about the worst thing you can do to it.
    Haha, cool. I live in a rural area, so even after I'm warmed up there is still plenty of driving time left to have fun with the car, assuming I'm not driving to work at 7am in the city-like traffic that magically appears
    [1994 530i/5-Speed]

  7. #7
    Join Date
    May 2006
    Location
    NH
    Posts
    2,062

    Default

    I usually let it idle till its just above blue. If i am pressed for time, I try and keep it below 2K to the end of the d rive way. I won't get on the road till its out of the blue.
    1995 540i Manual build 1/95

  8. #8
    Join Date
    Sep 2006
    Location
    Bellingham, WA
    Posts
    25

    Default

    Quote Originally Posted by Jehu
    I usually let it idle till its just above blue. If i am pressed for time, I try and keep it below 2K to the end of the d rive way. I won't get on the road till its out of the blue.
    I idled mine the other day for 15 minutes to get it out of the blue. Damn near fell asleep.

  9. #9
    Join Date
    May 2006
    Location
    NH
    Posts
    2,062

    Default

    Quote Originally Posted by andmd
    I idled mine the other day for 15 minutes to get it out of the blue. Damn near fell asleep.
    its still the best thing you can do for the engine though isn't it ?
    1995 540i Manual build 1/95

  10. #10
    Join Date
    Feb 2006
    Location
    Orlando, FL (Gainesville)
    Posts
    613

    Default

    i usually dont go past 2k while in blue otherwise it seems i use alot more gas then usual....prob cuz the o2 sensors arent warmed up yet...

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