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View Poll Results: What RPM do you cruise at?
below 2,500 RPM 5 21.74%
2,501-3,000 RPM 7 30.43%
3,001-3,500 RPM 9 39.13%
3,501-4,000 RPM 2 8.70%
4,000+ RPM 0 0%
Voters: 23. You may not vote on this poll

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  #1  
Old 12-27-2001, 03:46 PM
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ed325i ed325i is offline
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Mein Auto: 328Xi
What's your cruising RPM range

I hit 3000 at about 110KM (just under 70MPH). What rpm range do you cruise at? What about German E46 owners? 100MPH would be in the 4000 RPM range. Wouldn't cruising at that high RPM range age the engine prematurely?

Last edited by ed325i; 12-27-2001 at 03:49 PM.
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  #2  
Old 12-27-2001, 03:53 PM
Alex Baumann Alex Baumann is offline
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Hmm, I don't remember my speed exactly but I usually drive between 3000-4000 RPM.

Alex
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  #3  
Old 12-27-2001, 04:34 PM
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nate nate is offline
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I'm not sure, I usually don't pay attention to the exact range. usually near 3500 though. I would preffer to cruise near 5K
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  #4  
Old 12-27-2001, 04:40 PM
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Why dontcha drive it in 4th?

I have a 3.46 diff so I'm usually over 3500.
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  #5  
Old 12-27-2001, 08:55 PM
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ed325i ed325i is offline
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Mein Auto: 328Xi
I have a 3.15 diff. I cruise at about 3,000 RPM in 5th.

I was just wondering if cruising at above 3,000 would do long term damage to the engine and drive train. BTW, I change the oil every 5,000 miles or so.
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  #6  
Old 12-27-2001, 09:13 PM
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Kaz Kaz is offline
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Why? It runs more 'freely;' you're lugging the motor less, so as long as its not up at redline all the time, its probably under less stress.

Besides, its a BMW L6. All the beautiful sounds (per last year's commercial) are barely audible until it's up around 4k.
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  #7  
Old 12-28-2001, 01:43 AM
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gek330i gek330i is offline
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I've posted this before...
I have a Step '01 330i and on the highway I normally cruise at 80mph@2,700rpm

I've tripled checked this many times and other people seem to be closer to 3,000rpm when going 80mph.

?
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  #8  
Old 12-28-2001, 02:29 AM
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Kaz Kaz is offline
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Because that is correct. 0.74@5th on a AT, 3.38 final drive with a 25in dia tire (assuming stock SP tire) will give you 80.2MPH@2700RPM.

On my car, 1.00@5th on MT, 3.46 final drive with the same tiresize will give 80.6MPH@3750RPM.

FYI, a 330i MT will go 79.9MPH@3150RPM.
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  #9  
Old 12-28-2001, 11:00 AM
ATL 330i ATL 330i is offline
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02 330i w/ step

Just did 4,500 miles of cruising in the past 14 days so I the RPM's still register with me

65 MPH (between Birmingham AL and Mephis TN) -- 2,400 rpm
70 MPH (Arkansas, Oklahoma, Texas @ night) - 2,500 rpm
75-85 MPH (New Mexico, Arizona, Nevada) - 2,600 - 2,800 rpm
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  #10  
Old 12-28-2001, 06:46 PM
Jason 325i Step Jason 325i Step is offline
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<2500...i drive like a grandma
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