Manual Trans - Optimum RPMS??? - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 08-24-2004, 01:23 PM
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Hey all,

Just got a new 325Ci with a manual 5-speed. I was wondering what the reccomended rpms were for both cruising and shifting?? I previously had a mitsubishi and never accelerated much over 4000rpms and usually cruised somewhere in the low 3000s. However, my bimmer seems comfortable cruising around 3600 / 3700 rpms with acceleration going well over 4000...

Is there a consensus on what levels to shift and cruise at?

Thanks
Russ
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#2 (permalink) Old 08-24-2004, 10:22 PM
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generally speaking i think it's best to cruise at lower rpms. ie: 2200 - 2600 or so.

for acceleration, it's mainly preferance i guess. im sure there is some advantage to shifting at certain rpms, but i'm not much for standards. redline sounds good to me.

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#3 (permalink) Old 08-24-2004, 10:41 PM
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for normal driving i shift around, 3500
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#4 (permalink) Old 08-25-2004, 08:52 AM
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Quote:
Originally posted by Rustle98@Aug 24 2004, 01:03 PM
Hey all,

Just got a new 325Ci with a manual 5-speed. I was wondering what the reccomended rpms were for both cruising and shifting?? I previously had a mitsubishi and never accelerated much over 4000rpms and usually cruised somewhere in the low 3000s. However, my bimmer seems comfortable cruising around 3600 / 3700 rpms with acceleration going well over 4000...

Is there a consensus on what levels to shift and cruise at?

Thanks
Russ
Cruising level 2-3000 Rpm's and when you really want to get at it, bring it right up to 5800 or so then shift. Watch out for the rev limiter though b/c it can really throw you for a loop if it kicks in. If you really punch it from a stop, bring it up to about 5900 in 1st and quickly shift into second and you will notice the tires spin and chirp into 2nd gear. Works even better with the DSC off! Happy driving

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#5 (permalink) Old 08-25-2004, 09:47 PM
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thanks for the replies!

So its really OK to run the RPMs that high from time to time???
I guess I'm just used to my old car which would NEVER take that!
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#6 (permalink) Old 08-26-2004, 08:25 AM
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Quote:
Originally posted by Rustle98@Aug 25 2004, 09:27 PM
thanks for the replies!

So its really OK to run the RPMs that high from time to time???
I guess I'm just used to my old car which would NEVER take that!
BMW is known as the "Ultimate Driving Machine" and it is actually good for the car to run it hard once in a while. I'm sure if it was all the time it could cause some damage, but I get mine right up there from time to time!

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