SF Racing Track Coilovers for 2015-2018 BMW X4 xDrive AWD (F26) Spring Rates:Front: 9K / Rear: 9K 90 Kg/mm Spring Rate -

90 Kg/mm Spring Rate - Rear 3

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2001 Audi A4 Kombi (8E5)

Thorough static and dynamic durability testing

2012 Audi S5 & Quattro Coupe & Convertible (B8)

SF Racing Track Coilovers for 2015-2018 BMW X4 xDrive AWD (F26) Spring Rates:Front: 9K / Rear: 9K 90 Kg/mm Spring Rate -SF Racing Track Coilovers for the 2015 2018 BMW X4 xDrive AWD (F26) are the best coilovers available for track driven cars. SF Track Coilovers were designed to give a wide range of ride height adjustability without reducing the spring travel. The Track version is geared for performance on the track with a 20W damper oil and unique valving in comparison to the Sport Coilovers. Each corner of the car has 32 levels (or clicks) of damping adjustability.