Over Revving / Loss Of Power - BMW Forum - BimmerWerkz.com
3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 05-26-2005, 12:11 PM
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I've been reading the E36 forum for a while now. Great advice and tons of info, overall a great site. I've done a search for this problem but I can't seem to find anything.

I've got a '94 325i auto and I'm new to Bimmers so anyone who has more experience than me( which is probably all of you) please advise.

When I'm driving occasionally I'll put my foot down for a little more power and the revs shoot up a couple of thousand rpms but there'll be no power . I'll let up on the gas and put my foot down and then the problem will disappear. This only happens after I've been driving for at least 15-20 mins.


Any help would be appreciated.

Beanster
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#2 (permalink) Old 05-26-2005, 12:57 PM
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What kind of revs are you looking at (from 500-2000, 1500-5000... etc.), and is it when you use the "kickdown" function, or when you attempt to accelerate in the higher revs of the current gear (accelerate from 3500+ revs)?


Crap, I think I may be a yuppie...
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#3 (permalink) Old 05-26-2005, 01:25 PM
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Quote:
Originally posted by 4evrwyntr@May 26 2005, 10:57 AM
What kind of revs are you looking at (from 500-2000, 1500-5000... etc.), and is it when you use the "kickdown" function, or when you attempt to accelerate in the higher revs of the current gear (accelerate from 3500+ revs)?
[snapback]348033[/snapback]
If the revs go up and there is no increase in speed (assuming the transmission hasn't kicked down to a lower gear) your transmission is slipping. Check fluid level and if it's ok have it changed. If you still have a problem, you need to have the transmission serviced.
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#4 (permalink) Old 05-26-2005, 01:33 PM
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That's what I was thinking; but without more information I didn't want to jump to conclusion; also note that you'll KNOW when your clutch slips... your car will feel like it wants to change gears but can't. Or when it finally does, it does so at unnecessarily high revs, and delayed.


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#5 (permalink) Old 05-26-2005, 04:14 PM
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he has an automatic not a manual
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#6 (permalink) Old 05-26-2005, 05:08 PM
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Automatics have clutches too. Just no third pedal connected to it.

Greg

97 328iS, Manual, Stock
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#7 (permalink) Old 05-26-2005, 06:26 PM
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i would check out MAF! and air filter...

u can do out and buy a spray, to spray into the MAF, to clean it up, and helps with the hesitaion..

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stuff for sale on my e36.. CHeck it out!
http://www.bimmerwerkz.com/forum/aft...e36-49128.html
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#8 (permalink) Old 05-27-2005, 02:37 AM
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Quote:
Originally posted by 4evrwyntr@May 26 2005, 11:57 PM
What kind of revs are you looking at (from 500-2000, 1500-5000... etc.), and is it when you use the "kickdown" function, or when you attempt to accelerate in the higher revs of the current gear (accelerate from 3500+ revs)?
[snapback]348033[/snapback]

It's happened twice now, when I'm going at about 40mph and the revs jump from around 2500 to around 4000. As soon as I take my foot off the gas and let the revs drop down to around 2000 and accelerate again the power's back and its fine. I'll change to transmisson fluid and see if this helps.

Thanks for the replies, Hope this extra info helps

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#9 (permalink) Old 05-27-2005, 09:34 AM
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This is normal for stock Software, thats the way its set (Same way of behavior is for Audi). I truly doubt that transmission oil is the key problem. However, replacing the chip for aftermarket ones will fix it as well as if you are going to "Shark" your car. The only car that doesnt have this issue is a VW (out of German cars).

Dont piss me off. I am running out of places to hide the bodies
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