Quaife Group Buy!
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There is little doubt that whilst BMW have endowed this car with superb dynamics, there remain significant margins where performance can be improved. We have co-ordinated all of the necessary equipment and expertise to transform the braking, handling, traction and ride quality, so that the driver is able to fully communicate with the chassis, and truly elevating the dynamics to provide the real ultimate driving experience.
Design:
Perhaps the innovative design of the Quaife ATB differential is what has attracted so many BMW enthusiasts around the world. Unlike regular limited-slip diffs that use wearing clutches (eg. the ones used in BMW M power cars), the Quaife is gear operated and will never wear out. The design enables a smooth, progressive transfer of torque between the rear wheels with no fuss, and applies power to the tarmac with maximum effect. The result is a transformation of performance. In 20 years of tuning BMWs this has to be the most effective tuning element we've ever had to offer, which is why it is the first enhancement we advise to all BMW owners looking to increase performance. Backed by a limited lifetime warranty.
DTC interference:
In a recent survey to BMW customers who have bought a Quaife differential, we asked what their main reason was for the purchase. To enhance performance was at number 1, which is understandable. But at number 2, the reason was to eradicate that irritating, flashing yellow light. Dynamic traction control (DTC) or 'electronic braking' has limited the new BMWs to quite an extent, which most of you will know. When you put a Quaife limited-slip diff in the car, it almost removes that light completely whilst working in perfect harmony with the BMW's electronic systems. We guess that BMW had prepared them for a limited-slip diff option, but decided to have them as a unique element in the M power BMWs. The Quaife is the ultimate solution, no question.
Performance:
A single tuning element that increases acceleration, cornering speeds, traction, steering and handling to such a degree that customers say it 'completely transforms the car'. This is why we rate it so highly and have invested so much time and money into our Quaife BMW worldwide project. The majority of people are too interested in getting maximum power gains from their engine, not knowing that the BMW's electronics will restrict them. We can offer combinations of a Quaife LSD and engine re-map/anti-rollbars/suspension kits and more, dependant on your preference and what we would advise for your specific BMW. Our experience and expertise have enabled us to create some M Power-matching BMWs over the years, and now we have a new trick up our sleeve in the Quaife limited-slip diff...
"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!"
We are selling these units for $1450, but for a limited time only we will include free shipping to the 48 states and free stub axles seals!
BUT if we get 5 confirmed buyers we will do $1305 with free shipping and free stub axles.
Design:
Perhaps the innovative design of the Quaife ATB differential is what has attracted so many BMW enthusiasts around the world. Unlike regular limited-slip diffs that use wearing clutches (eg. the ones used in BMW M power cars), the Quaife is gear operated and will never wear out. The design enables a smooth, progressive transfer of torque between the rear wheels with no fuss, and applies power to the tarmac with maximum effect. The result is a transformation of performance. In 20 years of tuning BMWs this has to be the most effective tuning element we've ever had to offer, which is why it is the first enhancement we advise to all BMW owners looking to increase performance. Backed by a limited lifetime warranty.
DTC interference:
In a recent survey to BMW customers who have bought a Quaife differential, we asked what their main reason was for the purchase. To enhance performance was at number 1, which is understandable. But at number 2, the reason was to eradicate that irritating, flashing yellow light. Dynamic traction control (DTC) or 'electronic braking' has limited the new BMWs to quite an extent, which most of you will know. When you put a Quaife limited-slip diff in the car, it almost removes that light completely whilst working in perfect harmony with the BMW's electronic systems. We guess that BMW had prepared them for a limited-slip diff option, but decided to have them as a unique element in the M power BMWs. The Quaife is the ultimate solution, no question.
Performance:
A single tuning element that increases acceleration, cornering speeds, traction, steering and handling to such a degree that customers say it 'completely transforms the car'. This is why we rate it so highly and have invested so much time and money into our Quaife BMW worldwide project. The majority of people are too interested in getting maximum power gains from their engine, not knowing that the BMW's electronics will restrict them. We can offer combinations of a Quaife LSD and engine re-map/anti-rollbars/suspension kits and more, dependant on your preference and what we would advise for your specific BMW. Our experience and expertise have enabled us to create some M Power-matching BMWs over the years, and now we have a new trick up our sleeve in the Quaife limited-slip diff...
"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!"
We are selling these units for $1450, but for a limited time only we will include free shipping to the 48 states and free stub axles seals!
BUT if we get 5 confirmed buyers we will do $1305 with free shipping and free stub axles.
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Joined: Jun 2008
Posts: 2,696
Likes: 1
From: Saskatchewan Canada
My Ride: 2004 530i
premium package/active steering/auto sunshade/tiag/black dakota leather/logic 7
35% tint all around
19' DPE GT7
Members
Joined: Mar 2009
Posts: 241
Likes: 0
From: Chicago
My Ride: 2006 550i sport package, manual, black on black w/ anthracite trim, pdc, logic 7, cold weather pkg.
I'm definitely interested. I would also want to upgrade to a 3.15 final drive.
How much more would this cost?
How much more would this cost?
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