Dinan 3.45 Differential (Manual/SMG)

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Feb 17, 2011 | 05:12 PM

5fanatic

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Joined: Nov 2010

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From: Nyc

My Ride: 2007 BMW 550i

Model Year: 2007

I've been doing alot of research on mods for my 07 550i. I spoke with Dinan and they suggested the 3.45 Differential (Manual/SMG). They said the torque increase is well worth it. Has anyone done this and does it really help?

Feb 17, 2011 | 05:14 PM

acuteperformance

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Joined: Apr 2008

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From: SoCal

My Ride: 14 550i

it did on my e46 m3

Feb 20, 2011 | 03:14 PM

dusandimic

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Posts: 241

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From: Chicago

My Ride: 2006 550i sport package, manual, black on black w/ anthracite trim, pdc, logic 7, cold weather pkg.

Quote:

Originally Posted by 5fanatic

I would not recommend it. I looked into it a while ago and found out that it changes the ratio but keeps the open differential.
It will produce more torque but it'll still be going to one wheel. LSD is the way to go and from all that i've read here and other forums quaife is one of the best.