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The BC Racing DS Coilover system is built with digressive valving, offering the same great benefits of the BR Series and is considered a perfect choice for those looking for track-biased coilovers. The digressive piston design produces a non-linear damping curve — allowing higher low-speed damping to control body roll through cornering, acceleration and braking, while providing reduced high-speed damping to allow the wheel to travel when running kerbs, preventing the impact from transmitting fully into the shell and retaining car balance.
Unlike a conventional linear piston, the DS digressive design increases damping force at low piston velocities — the range associated with body roll, pitch and dive during driven inputs — while reducing damping force at high piston velocities, such as when a wheel travels over a kerb. This keeps the car stable during cornering loads while allowing impacts to be absorbed without upsetting the chassis balance.
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Fitment Data
| Make | Bmw |
| Model | 7 Series |
| Chassis | SEDAN E38 (94-01) |
| Series | DS |
| Spring Rate | 5.5/4.5kg.mm |
| Part Number | I-23-DS-DA |
Make: |
Bmw |
Model: |
7 Series |
Chassis: |
SEDAN E38 (94-01) |
Series: |
DS |
Spring Rate: |
5.5/4.5kg.mm |
Availability: Special order - contact us for latest ETA
Sourced from Darkside Developments UK. Shipped directly from the UK to New Zealand.
