BC RACING COILOVERS RM SERIES - BMW 1 SERIES E87 (04-13) (EXCL 1M COUPE) Spring Rates:RECOMMENDED KIT 5.5/8 KG.MM turn off the ignition

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Our goal when tuning the N55 M135i/235i was to give the N55 that much-needed performance and excitement of a true M engine

TRS Performance F2x Brake Upgrade Package

BC RACING COILOVERS RM SERIES - BMW 1 SERIES E87 (04-13) (EXCL 1M COUPE) Spring Rates:RECOMMENDED KIT 5.5/8 KG.MM turn off the ignitionThe BC Racing RM Series uses inverted monotube dampers on the front, or on both front and rear depending on the application. It offers many of the same features as the BR Series but with the added advantages of an inverted damper design, making the RM Series better suited to fast road and track focused driving. Inverting the damper reduces unsprung weight, improves steering response, and moves critical damper fluid away from brake and hub heat. This