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Luke318is
07-04-2006, 04:04 PM
Apparently i have a 4.10 non-limited slip diff in my car. Do you guys see any point in (upgrading?) to a 3.73 limited slip diff? Does it offer performance upgrades of any kind?

Someone told me that it will actually decrease my takeoff performance...

Any advice?

Wannabe
07-04-2006, 04:17 PM
the higher the ratio number, the faster you will take off the line

the 3.73 will reduce your take off speed, But it will also lower your RPM's on the highway, giving you better fuel mileage.

The limited slip will help you in the Snow ( not like you have any) and will give you better traction on the track.

And plus when you "burn out's" it will look better.

T.Dot_E30
07-04-2006, 05:59 PM
your car should have had a lsd diff if it was a real 318is.

Ideally you want to find a 4.10lsd for your car.

a 3.73 will make a 318 feel even slower, lol its not like you need a lsd do you?? a 318 can bearly spin its wheels.....hahaha jk!

Ant118
07-04-2006, 06:14 PM
Yeah try to find a 4.10LSD from an E30 M3. Then you'll be happy i think.

Mystikal
07-04-2006, 07:00 PM
your car should have had a lsd diff if it was a real 318is.

Ideally you want to find a 4.10lsd for your car.

a 3.73 will make a 318 feel even slower, lol its not like you need a lsd do you?? a 318 can bearly spin its wheels.....hahaha jk!

Actually LSD's were optional on 318iS'.

Your last point is true though, haha. Basically if you didn't NOTICE you didn't have an LSD, you DO NOT need one.

e30_kid89
07-04-2006, 11:34 PM
i have the 4.10 LSD on my 318iS*wave* i love it.... looking at my cars history the first owner(a china dude) made a kid real happy 15 years later when took up on that option of LSD:D

Slowered318
07-05-2006, 06:19 AM
Jay, Trev... both you guys are gettin' beatings the next time I attend a meet.

LSD diff is always better

Luke318is
07-06-2006, 04:18 PM
i assure you it IS a 'real 318is' the info about it being an option is very correct. so thanks for the info, i wont be going near a 3.73. i need a 4.10 LSD then.

Thanks yet again folks

real468
07-08-2006, 11:58 PM
I went from a 4.1 to a 3.73 in a 325i autodidnt notice much difference at all,