Eibach ERS 13 in. Length x 5.00 in. OD Platinum Rear Spring (PR1300.500.0075) YMM_2003_2010_BMW_6_Series_II_E63_E64 This high-quality dry-carbon fiber spoiler

This high-quality dry-carbon fiber spoiler features: Handmade construction with pre-preg dry carbon fiber for reduced weight and increased durability

improve visibility in foggy conditions

This spring helps improve your vehicle’s handling response by providing a firmer

The washable conical filter is constructed from high-quality materials to ensure durability and consistent airflow

Eibach ERS 13 in. Length x 5.00 in. OD Platinum Rear Spring (PR1300.500.0075) YMM_2003_2010_BMW_6_Series_II_E63_E64 This high-quality dry-carbon fiber spoilerPlatinum Rear Spring by Eibach A properly tuned spring system provides the muscle needed to transform the power derived from the engine of a racing car to the track through optimum adhesion. Suspension tuning is a precise balance. On one hand, the spring system should be soft enough to compensate for road irregularities assuring permanent road contact, while on the on the other hand the spring system must be firm enough to reduce the body roll, squat,