WHY THE 12 SERIES FOR THE BMW 1 SERIES NON M E81/E87/E88 (2005-2013)

JRZ 12 Series Coilovers BMW 1 series non M E81/E87/E88 — triple-adjustable motorsport damping built around the JRZ 8060 piston, built to order in the Netherlands by JRZ Suspension Engineering. Every unit is hand-assembled and dyno-validated before shipping. Browse all JRZ coilovers.

The 12 Series is built around the JRZ 8060 motorsport piston — the largest in the lineup — providing maximum oil flow capacity and the finest adjustment resolution. For the BMW 1 series non M E81/E87/E88 (2005-2013), this means suspension that transforms the car’s dynamic character — sharper turn-in, flatter cornering, and confidence that builds with every session.

WHAT MAKES THE 12 SERIES DIFFERENT

The 12 Series is JRZ’s flagship Motorsport Line damper, built around the larger 8060 piston with three independent adjustments for maximum tuning resolution.

Built for professional motorsport and elite track builds, the 12 Series delivers triple-adjustable motorsport damping that lets you dial in exactly the response your BMW needs — whether that’s a comfortable street setup or an aggressive track configuration.

JRZ 12 SERIES COILOVERS BMW 1 SERIES NON M E81/E87/E88 SPECS

Every 12 Series for the BMW 1 series non M E81/E87/E88 (2005-2013) ships as a complete bolt-on coilover system with matched springs, all necessary mounting hardware, and vehicle-specific valving. JRZ builds each set to order — tell us how you drive and they’ll optimize the valving to match.

• Triple-adjustable motorsport damping
• Hand-assembled in the Netherlands
• Dyno-validated before delivery
• Vehicle-specific valving for the BMW 1 series non M E81/E87/E88 (2005-2013)
• Complete bolt-on coilover system with matched springs
• Full rebuild service available through Meisterschaft Motorsport