Powerflex PFR5-4611 Rear Subframe/Cradle/Crossmember Polyurethane Bush/Bushing Kit for BMW Z4 E89 (2009-2016) – Rear Axle Carrier Mounts | Performance Polybush Suspension Upgrade | 2 Bushes

Powerflex PFR5-4611 Rear Axle Carrier Mount Set for BMW Z4 E89 2009+

Transform the way your Z4 feels from the driver’s seat with this uprated polyurethane rear axle carrier mount set. The PFR5-4611 kit replaces tired factory rubber with a tough, high-performance compound that keeps the rear cradle under control, so your BMW tracks straight, turns in cleanly and stays composed when you lean on it. Perfect for fast road builds and track day use, and a brilliant refresh for daily-driven cars that have started to feel loose at the back.

We run these mounts on our own cars and customers consistently tell us the difference is immediate. Tighter response, a more planted rear end and far more confidence on bumpy B-roads. Expect better geometry stability under acceleration, mid-corner and braking, with less wandering and more predictable behaviour.

Highlights

• Uprated rear cradle mounting set for sharper chassis response and precise alignment control
• Improves traction and braking stability by limiting unwanted carrier movement
• Helps reduce uneven tyre wear through consistent suspension geometry
• Polyurethane material resists oil, salt and ageing for long service life
• Balanced noise, vibration and harshness control for everyday usability
• Lifetime warranty for peace of mind

Fitment and specs

• Vehicle: BMW Z4 E89, 2009 onwards
• Location: rear axle carrier, rear position
• Part number: PFR5-4611
• Diagram reference: 11
• Contents: 2 mounts
• Additional reference: 3331677078133312283419

Why choose this upgrade

Factory rubber softens and deforms with age, allowing the back end to move around. This polyurethane kit holds the rear frame in place so the suspension arms work as intended. The result is truer steering response, improved grip and a more confidence-inspiring rear axle without the fragility of standard rubber mounts.

Professional installation

For best results, have the kit fitted by specialists. MJ Modifications offers installation at our Warwickshire workshop. Request a fitting quote at info@mjmodifications.co.uk.

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