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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > at 80 MPH what RPM are you at?



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      05-06-2010, 12:19 AM   #23
Malaka1
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Originally Posted by zsapphire7 View Post
Thats what my 335i sits at too with the 3.46 quaife in my MT. 275/30/19. I was expecting the AT to be ~ the same but it turned out to be much lower ~2.4k so i was surprised.
Are 1st and 2nd gear not useless with the AT 3.46? I spin through 1st now with the 3.08 gears.
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      05-06-2010, 12:42 AM   #24
zsapphire7
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Are 1st and 2nd gear not useless with the AT 3.46? I spin through 1st now with the 3.08 gears.
Just because it spins doesnt mean its useless . I also spend most my time in 2nd, 3rd, and 4th for hard pulls or the track anyways so its perfect. I never launch so its never been a problem for me.
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      05-06-2010, 06:46 PM   #25
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I waited to post until I checked for sure. I'm right at 2500rpms at 80mph in my step 135. I'm sure my speedo registers a few mph too fast.

My speedo seemed really fast when I had stock wheels and tires. With my first aftermarket wheel/tire setup my rears were taller than my fronts and that helped my speedo over register problem. Now it's about as bad as stock with my current tires.
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      05-06-2010, 06:59 PM   #26
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Thinking of this thread while driving to work this morning I had 2800 @ 80mph with 275/30/19 Michelin PS 2's. Oh yeah, MT.
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