Bilstein B12 Pro-Kit Kit (46-181237) - BMW Z4 (E85), Rear Axle Right OE Upgrade: Direct-fit replacement designed

OE Upgrade: Direct-fit replacement designed to outperform standard factory shocks without altering ride height

The Bilstein B6 4600 is the ideal suspension upgrade for drivers who want to enhance handling and control without changing their vehicle's ride height

Enhanced Control & Safety: Better stability

Whether you’ve installed Eibach

Engineered to meet or exceed original specifications

Bilstein B12 Pro-Kit Kit (46-181237) - BMW Z4 (E85), Rear Axle Right OE Upgrade: Direct-fit replacement designedBilstein B12 Pro Kit Complete Sport Suspension with Precision Handling The Bilstein B12 suspension kit combines Bilsteins performance dampers with specially matched Eibach lowering springs for a true plug and play upgrade in handling, ride quality, and aesthetics. Designed for drivers who demand sporty dynamics, reduced ride height, and OEM level comfort, the B12 kit delivers a balanced suspension solution straight out of the box. Whether you're