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This product requires a lead time of 30 days but may be subjected to additional wait time.
The ISC coil over kit includes:
Track-spec springs
Front and rear dampers
Adjustable front camber plates with spherical bearings
Rear shock mounts
The springs used in this kit are typical for track cars used in HPDE or open track events but softer than what we prefer for an all-out competition car. The kit comes standard with 783 lb/in and 895 lb/in 2.5-inch springs (14 kg/mm front and 16 kg/mm rear). We feel that this is a solid base spring rate especially for cars that still see limited street use. ISC uses industry-standard 2.5-inch springs so stiffer springs are available that fall within the range of the damper's ability.
ISC uses monotube dampers with 32 positions for compression and rebound (not independently adjusted). Shock damping curves have been set by ISC specifically for the springs in the Track coil over kit. With these shock adjustments and spring rates you can have a car that is moderately comfortable on the street but still hugely capable on the track. And unlike many other 'club sport' kits, the ISC dampers can be serviced and rebuilt in the USA. From our testing, the ISC Suspension greatly reduces bodyroll, eases weight transfer, and produces razor-sharp handling.
Solid mounts are included with adjustable camber plates in the front and spherical bearing rear shock mounts. Each damper is separate from the shock/strut housing - ride height is adjusted through the body of the shock not the spring. Most other coil overs preload the spring which reduces travel before coil bind. With ISC coil overs, the major ride height is set in the shock body reserving the spring collar for small adjustments. All pieces are either powdercoated or anodized for corrosion protection.
This kit fits M3 Coupe(E92), Convertible(E93), and Sedan(E93) - Model Years 2008, 2009, 2010, 2011, 2012, and 2013
This suspension kit includes a limited lifetime warranty with service in the US.
BMW Fitments:
3 Series E90 / E91 / E92 / E93 (06-13) > M3
Recommended for the ISC N1 E9X M3 Track & Street Coilover Kit
