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BC- BR Coilover kit E30 BMW - 3 series 6 cylinder M20
BR Series Coilover : Type RA For Street and Circuit Use Specifications Top Mount Type : Pillowball Front, Rubber Rear Front Spring Rate : 8kg/mm (448lbs/in) Rear Spring Rate : 8kg/mm (448lbs/in) For Street and Circuit Use Specifications Top Mount Type : Pillowball Front, Rubber Rear Front Spring Rate : 6kg/mm (336lbs/in) or 8kg/mm (448lbs/in) Rear Spring Rate : 6kg/mm (336lbs/in) Information The BR series coilovers use a large 44mm diameter piston in a 53mm diameter damper body to maximise oil capacity. As the damper unit operates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristics of the unit. Pillowball upper mount Camber adjustable top mounts Aluminium top plates 30 way adjustable damping Adjustable spring platform Height adjustment via bottom mount to retain full damper travel Bearing mounted upper front spring platform Dust boot to protect damper seals * some features are dependent on model The BR series coilovers use a large 46mm diameter piston in a 53mm diameter damper body to maximise oil capacity. As the damper unit opearates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristic of the unit. BC Racing only use a very high quality oil with their coilovers but go that extra mile to maximise performance and build their BR range with a large 53mm diameter damper body. This increases the capacity of the unit which increases the volume of oil contained which in turn reduces the peak temperature and so significantly improves damper performance. Corner weight adjustment: The lower spring platform of the BC Racing coilovers are adjustable. This allows the car to be set up for corner weighting to achieve perfect balance and ensures that maximum tyre efficiency is achieved. The car needs to be placing equal weight on each tyre on an axle so both front tyres need to be taking equal loading as do both rears. This makes sure that both tyres are doing their equal share of work when cornering which increases overall grip, maximises corner speed and reduces lap times. Optional assister springs can be purchased to allow wheel droop to be dialled into the unit to suit specific needs. Ride height adjustment Ride height is determined by the position of the coilover bottom mount. The mount can be wound up and down the damper body to give a full range of adjustment from near standard ride height to so low it wouldn’t be drivable on the road. Because ride height is determined by an adjustable bottom mount rather than spring platform you retain full damper travel regardless of the ride height run Note - pics are for illustration purposes and may not be same as your model - ask if want more detailed pictures For E30 the rear spring is not a coilover it is an adj platform rear inboard spring Springs front 6kg/mm rears 6kg/mm BMW E30 M3 available for despatch in 3-9 working days
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