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BMW 3-Series (E90 E92) Forum > E90/E92/E93 Marketplace (For Sale / Trade / Wanted) > SPONSORS Classifieds/Groupbuys/Specials Area > Turbo Engine / Drivetrain / Exhaust Parts > Quaife Differential for 335i, FREE SHIPPING!



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      07-04-2007, 02:48 AM   #1
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Quaife ATB Differential for late automatic 335i

Quaife, The Ultimate Differential is now in stock for your 335i at HP Autowerks, Inc.


"The Quaife Automatic Torque Biasing Helical LSD Differential enables a car to accelerate more rapidly and corner faster. How?

Simply by getting the power to the ground.


With an normal open differential, fitted as standard on most cars, much precious power is wasted through wheel spin under acceleration. This happens because the open differential shifts power to the wheel with less grip - along the path of least resistance.

The Quaife differential, however, does just the opposite. It senses which wheel has the better grip, and automatically biases the power to that wheel. It does this smoothly and constantly, and without ever completely removing power from the other wheel.

In cornering, while accelerating out of a turn, the unit biases greater power to the outside wheel, reducing inside-wheel spin. This allows the driver to begin accelerating earlier, exiting the corner at a higher speed.

The Quaife differential also controls loss of traction when the drive wheels are on slippery surfaces such as ice and snow or mud, providing the appropriate biased traction needed to overcome these adverse conditions. Power is transferred automatically without the use of normal friction pads or plates seen in other limited-slip designs.

The Quaife ATB Helical LSD differential's unique design offers maximum traction, improves handling and steering, and puts the power where it is needed most. A definite advantage, whether on the track or on the street.

The Quaife differential is extremely strong and durable, and since it is gear-operated, it has no plates or clutches that can wear out and need costly and regular replacement. There is no maintenance required to the unit, so you can fit and forget.

The Quaife differential is great for street driving or racing. Racers don't have to put up with locking mechanisms or spools that tear the steering wheel out of their hands when cornering. Because it behaves like an open differential during ordinary driving, street drivers will have trouble telling it's there until pushing the cars towards its limits.

The Quaife differential is proven in everything from SCCA Rallying to drag racing and Formula 1. It provides autocrossers with such an advantage, it has become "required" equipment for a winning effort.

Expand your vehicle's limits with the Quaife ATB Helical LSD Differential!"

Here is a video on LSD:

http://video.aol.com/video-detail/bm...tial/538903604

Top tuners using our Quaife LSD:

Berk Technolgy's Redline Time Attack 135i
Burger Motorsport world's quickest 135i
Vishnu Tuning


Application for LATE model 335i(9/2007 and later) and All 135i with automatic transmissions only. For manual transmission cars and early automatic 335i's, please see the sale on this thread:

http://www.e90post.com/forums/showthread.php?t=306567


Price is $1418.82!!!


Harold
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Last edited by HP Autosport; 01-10-2014 at 03:39 PM.
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      07-04-2007, 12:17 PM   #2
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oh shit, what about the welding though?
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      07-04-2007, 04:30 PM   #3
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oh shit, what about the welding though?
+1
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      07-04-2007, 11:03 PM   #4
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New Ring and Pinion gears would have to be sourced before a Quaife can be installed in the welded style diffs. The other option is install the Quaife in a rebuildable non-welded diff core, then replace the complete housing.
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      07-04-2007, 11:39 PM   #5
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Originally Posted by HP Autowerks View Post
New Ring and Pinion gears would have to be sourced before a Quaife can be installed in the welded style diffs. The other option is install the Quaife in a rebuildable non-welded diff core, then replace the complete housing.

Ah...no response to my PM about possible installation????
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      07-05-2007, 11:11 AM   #6
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Originally Posted by HP Autowerks View Post
New Ring and Pinion gears would have to be sourced before a Quaife can be installed in the welded style diffs. The other option is install the Quaife in a rebuildable non-welded diff core, then replace the complete housing.
do you have a source for those items? would be nice o that those who know they have the welded dif had options
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      07-05-2007, 11:47 AM   #7
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Wow, this sounds like an awesome deal. Gotta think about this.
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      07-05-2007, 10:18 PM   #8
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do you have a source for those items? would be nice o that those who know they have the welded dif had options
Nothing yet.
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      07-05-2007, 10:18 PM   #9
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Ah...no response to my PM about possible installation????
Replied, thanks.
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      07-06-2007, 10:19 PM   #10
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Thank you for all the orders. We have just one Quaife left. According to Autotech, our Quaife supplier, the next batch of Quaife diffs for the 335i aren't due from the UK until Sept. or Oct. this year.

Get yours today for that added traction. Why let all those horse power go up in tire smoke!

Last edited by HP Autosport; 01-08-2009 at 08:46 PM.
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      07-07-2007, 11:06 AM   #11
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man you suck
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      07-07-2007, 08:36 PM   #12
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We are trying.

If you can provide us with a pre March production diff, we will be more than happy to install the Quaife for you, and you can save the original diff when you turn the vehicle in after the lease or what have you.

Harold
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      07-07-2007, 09:43 PM   #13
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i meant you suck because you only have one left

i dont know if mine is welded yet (which is why the last one isnt mine)
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      07-09-2007, 12:56 AM   #14
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i meant you suck because you only have one left

i dont know if mine is welded yet (which is why the last one isnt mine)
What is the production date of your 335i?
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      07-09-2007, 09:37 AM   #15
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What is the production date of your 335i?
march :/ early march though, im right on the border im sure

when i get back from michigan in august im taking it to a place so they can figure it out
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      07-13-2007, 12:11 PM   #16
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Thank you everyone for your orders. We have sold the last of the Quaife differentials. The next batch of diffs are due for arrival in Sept.

For those who have already reserved one, you will be the first to get the Sept. shipment diffs. If you would like to reserve one, please PM or call us and make a deposit.

Thank you.

Last edited by HP Autosport; 07-13-2007 at 03:28 PM.
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      07-13-2007, 12:24 PM   #17
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oh shit, what about the welding though?
How would I know if I have a welded diff and what is welded? I picked up my 335 June 14th and it was built in May.

Thanks!
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      07-13-2007, 03:23 PM   #18
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How would I know if I have a welded diff and what is welded? I picked up my 335 June 14th and it was built in May.

Thanks!
There is a very high possibility you have a welded diff.
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      07-26-2007, 08:22 PM   #19
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give me a month or so and i may be able to, just realized my build date was early febuary, i would still like to go to a shope and have them take the casing off and check before i commit though (hence the wait)



any discount for those who commit before the shipment?
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      07-27-2007, 12:23 AM   #20
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give me a month or so and i may be able to, just realized my build date was early febuary, i would still like to go to a shope and have them take the casing off and check before i commit though (hence the wait)



any discount for those who commit before the shipment?

Hi,

Not a problem. Let us know when you are ready and we will put you on the list after a deposit is made.

Harold
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      08-19-2007, 10:12 PM   #21
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hey there an update on this? still not ready to commit but if theres more info
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      08-19-2007, 11:43 PM   #22
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I will give you an update in a couple of days.
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