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KW

KW V1 Coilovers - BMW E90/E92 M3

Regular price £1,551.00 GBP
Regular price Sale price £1,551.00 GBP
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Lead Time - 3 to 14 days

Kit required

KW V1 Coilovers are fully height-adjustable and are compatible with OEM top mounts, making them ideal for fast road use.

The key features of KW V1 Coilovers for BMW E90/E92 M3 include:

  • Improved damping performance versus OEM dampers and springs
  • Fully height-adjustable (up to 40mm lower on front axle and 35mm lower on rear axle)
  • Stainless steel construction and corrosion-resistant springs for improved reliability over the lifespan of the part
  • Trapezoidal height adjustment thread ensures easy height adjustment even years after installation
  • Adjustable spring seat enables full damper travel even at low ride heights
  • Reduced body roll resulting in improved cornering capabilities

PLEASE NOTE - vehicles fitted with BMW Electronic Damper Control (EDC) will require a delete kit to prevent error codes from occurring.

More information

Every single KW damper uses KW's twin-tube damper technology. Within each KW damper there are two tubes - the inner tube, which contains the piston and the majority of the damping fluid, and the outer tube which surrounds the inner tube and works as a reservoir for the damping fluid and helps to maintain consistent damper performance.

When encountering a bump or undulation the damper enters the compression phase. As the bump is driven over, the spring on the coilover is compressed. Kinetic energy is generated and accumulated in the spring.

During the compression stroke, the piston rod displaces the oil in the inner tube, which passes through the compression valve located at the bottom of the inner tube. The flow resistance at the compression valve generates the compression damping force. This flow resistance causes the speed of the compression stroke to slow down.

During this process, some of the oil beneath the compressing piston flows upwards through the check valve at low resistance, filling the inner tube behind the piston with oil, ensuring consistent performance.

During the rebound stroke, kinetic energy accumulated in the spring is transformed into heat energy internally as the damper rebounds. The speed at which this happens is controlled by the flow resistance of the rebound valve.

As the piston rebounds the oil above the piston in the inner tube flows through the holes in the rebound valve. The resistance offered by this valve controls the rebound velocity.

Whilst this is happening, oil stored in the outer tube flows back into the inner tube via the check valve.

The compression and rebound phases are complete and the high-quality KW damper helps keep the wheel in contact with the tarmac and under control at all times.