BMW 2/3/4 Series 14+ F87 M2/F80 M3/F82/83 M4 ADJ CAMBER/TOE/CASTER ARM Hardrace
Product Info
Vehicle Make: BMW
Vehicle Model: 2/3/4 Series
Vehicle Chassis: F87 M2/F80 M3/F82/83 M4
Vehicle Year: 14+
Product Code: 7734
Product Type:
Colour: Blue
Pack Size:
Size:
SKU: 0009350
We are a discount outlet for over stocked or clearance products only and we cannot supply any products not listed on this eBay account at anything other than full manufacturer RRP. This product is on clearance and has been set to a lower price than normal which is only available while stocks last.
Hardrace Adjustable Arms
Hardrace Adjustable Arms are divided into four series - STREET, PERFORMANCE, RACING and STANCE. Each category is produced with hardened rubber bushes or sealed pillowball joints that provide excellent stability and road response during high speed driving or hard cornering.
Street Series
Street Series arms are suitable for daily use and are made with hardened rubber bushings utilised for the low friction and the minimal deflection needed for dynamic shock control. The street series arms provide solid steering response and improved suspension.
Performance Series
Performance Series arms are made with pillow ball bushing, significantly improving response for better handling and maximum performance control, provide excellent driver feedback, precise control and a solid suspension feel while aesthetically pleasing.
Racing Series
Racing Series arms are constructed of 7075 aluminium with a precision fit and finish. They are manufactured using an all-new pillow ball bushing design for race level handling, 100% accuracy during cornering and improved braking & throttle control to yield the best lap times. The lighter alloy solution helps lower weight, fuel usage and running costs while improving service life and reliability.
Stance Series
The Hardrace Stance Series range are designed for heavily lowered vehicles. The Stance Series range utilise pillow ball bushings which allow for movement of the control arms. The design of the product helps to lower the vehicle as much as possible without using a coil-over system however these can be used in conjunction with a coil-over system to achieve further lowering. The design of the arms allow the ball joints to retain OEM functionality without the risk of premature failure of the ball joints.
Uprated Alignment Arms
We offer a wide range of uprated alignment arms. The arms are generally available with two types of fittings, uprated rubber or rose joints. The rose joints more often than not feature fully sealed bearings with an integral moulded rubber seal that completely protects the joint internals for the elements. This increases the life of the joint immensely compared to those with no protection or a loose fitting rubber boot.
Should you need a replace a joint some years down the road then no problem, all spare parts are available. You wont find yourself being forced to throw your complete arm kit away for the sake of a joint.
Most arms are adjustable but we also offer non adjustable in some specific applications where a significant benefit is gained simply by fitting the Hardrace arms with their uprated rubber or rose jointed ends.
Why Fit Adjustable Alignment Arms?
The first benefit to fitting the Hardrace alignment arms is that they come with either an uprated bush or a rose joint. These uprated components minimise the movement in the arm in comparison to the standard items. You want minimal movement as any movement translates through to the steering in the form of vagueness and a lack of response from the steering input. Each and every original bush has a degree of slop built into it to maximise the cars compliancy and minimise noise and vibration being passed into the cabin. This soft nature is exaggerated with age as the bush starts to deteriorate and their resistance to forces reduces leading to greater and greater deflection under load. As you turn the steering wheel the original bushes start to take the strain and in doing so compress. As they compress you have to compensate via the steering wheel as the original inputs effect is reduced via the bushes squashing.
You can improve the cars steering response and reaction to input by minimising or eliminating the play that exists in the original soft bushes. For the majority of road cars the Hardrace uprated rubber bushes will be sufficient. We use rubber rather than polyurethane due to the better noise and vibration absorption properties with no loss of effectiveness in reducing deflection in comparison to polyurethane. If you want to eliminate play completely then we offer rose jointed bushes. These provide a complete elimination in play for maximum response to steering input. Rubber and polyurethane bushes provide significant resistance to arm movement, they want the arm to sit in the position it was fitted in so when the wheel moves upwards through its travel the bush tries to push the arm back down to its resting position. The rose joints allow free movement of the arm with minimal stiction. This allows the suspension to work more efficiently improving the spring and dampers ability to function as designed and keep the cars tyres in contact with the ground and control body movement.
The majority of the Hardrace arms are adjustable. This allows you to alter key elements of the cars geometry to optimise the handling characteristics.
Camber
When you corner the cars body rolls. As the cars body rolls the outside wheels stand upright and then start to lean outwards. This is called negative camber. Conversely as you lower a car you tend to introduce additional static negative camber. The more you lower the vehicle the more negative camber is introduced. Negative camber is the wheel tipping in at the top.
You want sufficient static (i.e with the car stood at rest) negative camber to prevent positive camber under hard cornering but conversely excessive negative camber introduced when you lower a vehicle will lead to accelerated inside edge tyre wear, reduce traction for straight line acceleration and reduce the cars maximum braking ability. Hardrace adjustable camber arms allow you to set the camber correctly.
Castor
Castor is the angle of the front strut when seen from the side of the vehicle. Adding castor increases dynamic camber, i.e. adds camber when cornering. This means you can run less static camber as the castor adds more camber when you need it. Having to run less static camber improves traction, reduces tyre wear and improves the cars potential braking abilities through improved grip. Adding castor also improves steering feel by making the steering heavier. This generates additional feedback so giving the driver more communication with what the tyres are doing. More information means you can driver closer to the edge more accurately meaning you can go faster. Hardrace adjustable castor arms allow you to adjust castor.
Toe
All cars have adjustable front toe built in as standard but most done have any provision for adjusting rear toe. Hardrace adjustable rear toe arms allow you to set the rear toe as required, be it toe in to generate heat more quickly and increase turn in stability or toe out to make the car more nervous and quicker to change direction for drifting or tight circuit work. Note that adjusting camber and castor also effects toe so you need the ability to reset toe if you go for camber adjustable arms.
