BMW Z4M E85/E86 & E46 M3 Powerflex PFR5-4612 Rear Subframe Front Bush Inserts (Pair)

Direct-fit polyurethane inserts for the rear subframe’s front bush on BMW Z4M (E85/E86) and E46 M3. No press tools, no subframe removal - drop them in the existing voids.

• Stiffer than rubber, more durable than OEM, with sensible NVH control for fast road or track day use
• Sharpens rear-end response, improves traction and alignment consistency
• Reduces uneven tyre wear and boosts braking stability under load
• Backed by Powerflex’s lifetime warranty