3.73 or 3.91?

barthayes · 05-14-2020, 09:19 PM

Anyone here with MILVS, flash etc go to a 3.91 gear? If so, what are your impressions? Thanks in advance.

e90 N52, MILVS, Headers, Stage FP, N54 intake, etc....

Biginboca · 05-15-2020, 04:15 AM

I have run both 3.73 and 3.91 and with the n54 intake the 3.91 is the way to go. You give up some torque with the n54 intake and the 3.91 gets it back.

matteblue3er · 05-15-2020, 08:18 AM

Quote:

Originally Posted by Biginboca

I have run both 3.73 and 3.91 and with the n54 intake the 3.91 is the way to go. You give up some torque with the n54 intake and the 3.91 gets it back.

You don't feel 1st is too short? I have a 3.64 and I find it very short. But the performance makes up for it

Biginboca · 05-15-2020, 12:28 PM

Quote:

Originally Posted by matteblue3er

You don't feel 1st is too short? I have a 3.64 and I find it very short. But the performance makes up for it

No I think it’s great...

Volasko · 05-15-2020, 01:58 PM

I cannot comment about the 3.91 ratio but I have the 3.73 and I couldn't imagine going back. Really transforms the car and with all the stuff I've done to my car its the one I like the best. Do it and don't look back!

barthayes · 05-16-2020, 06:18 AM

Thanks Biginboca! I should have asked you to begin with.

This car has quickly become one of my all time favorites. Can't wait to take it to a track day. The N52 seems to be the perfect combination between weight and horsepower. Looking forward to further developments.

05-14-2020, 09:19 PM	#1
barthayes Enlisted Member 7 Rep 42 Posts Drives: F80 M3 (#37) X5, X3, SE46, E92 Join Date: Dec 2015 Location: North Carolina iTrader: (0)	3.73 or 3.91? Anyone here with MILVS, flash etc go to a 3.91 gear? If so, what are your impressions? Thanks in advance. e90 N52, MILVS, Headers, Stage FP, N54 intake, etc....
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05-15-2020, 04:15 AM	#2
Biginboca Colonel 3764 Rep 2,738 Posts Drives: 2009 E92 328i 6MT Join Date: Jun 2017 Location: Boynton Beach, FL... USA iTrader: (3)	I have run both 3.73 and 3.91 and with the n54 intake the 3.91 is the way to go. You give up some torque with the n54 intake and the 3.91 gets it back. __________________ My E92 328csl Build Thread My 328csl Instagram Page
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05-15-2020, 01:58 PM	#5
Volasko Colonel 705 Rep 2,605 Posts Drives: 06 330i E90, 18 530xe G30 Join Date: Dec 2010 Location: Toronto iTrader: (2) Garage List 2018 BMW 530e M Sport [9.00] 2006 BMW E90 330i [8.28]	I cannot comment about the 3.91 ratio but I have the 3.73 and I couldn't imagine going back. Really transforms the car and with all the stuff I've done to my car its the one I like the best. Do it and don't look back!
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05-16-2020, 06:18 AM	#6
barthayes Enlisted Member 7 Rep 42 Posts Drives: F80 M3 (#37) X5, X3, SE46, E92 Join Date: Dec 2015 Location: North Carolina iTrader: (0)	3.91 it is Thanks Biginboca! I should have asked you to begin with. This car has quickly become one of my all time favorites. Can't wait to take it to a track day. The N52 seems to be the perfect combination between weight and horsepower. Looking forward to further developments.
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