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Powerflex PFR5-4613 Rear Subframe/Crossmember Bush/Bushing Insert Kit (Pair) for BMW E46 3 Series & M3, Z4/Z4M (E85/E86) & X3 (E83) - Polyurethane Polybush Rear Cradle/Axle Carrier Mount Upgrade

Powerflex PFR5-4613 Rear Subframe/Crossmember Bush/Bushing Insert Kit (Pair) for BMW E46 3 Series & M3, Z4/Z4M (E85/E86) & X3 (E83) - Polyurethane Polybush Rear Cradle/Axle Carrier Mount Upgrade

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Powerflex PFR5-4613 Rear Crossmember Rear Bushing Inserts for BMW E46 3 Series, M3, Z4, Z4M and X3

Part number: PFR5-4613

Transform rear-end stability and steering precision with this pair of Powerflex rear crossmember bushing inserts. Designed to locate into the voids of the factory rubber mount, these polyurethane inserts curb cradle movement, keep alignment under load and deliver a tighter, more confidence-inspiring drive on fast road and track without the usual harshness.

  • Noticeably crisper turn-in and reduced rear-end wiggle
  • Better traction out of corners and more consistent braking
  • Helps maintain geometry, improving tyre contact and wear
  • Durable polyurethane resists oil, heat and ageing
  • Supplied as a matched pair, backed by the Powerflex Lifetime Warranty

What this kit does

These precision-moulded inserts fill the gaps in the original rear crossmember bush, limiting deflection from the back axle carrier so your suspension can do its job properly. Expect a more planted feel, improved stability over bumps and a car that holds a line with greater accuracy.

Fitment and key details

  • Compatibility: BMW E46 3 Series including M3, BMW Z4 including Z4M, BMW X3
  • Location: Rear crossmember, rear bush insert position
  • Pack contents: 2 inserts
  • Diagram reference: 11
  • Installation: Inserts fit into the voids of the existing OE bush

Why choose Powerflex

Ageing rubber mounts soften and allow the rear cradle to shift, which hurts handling and can cause uneven tyre wear. Powerflex polyurethane maintains control and keeps everything aligned under load. We run these on our own builds and our customers consistently report a more connected, stable BMW with zero-fuss reliability.

Fitting and support

Professional installation recommended. For fitting at MJ Modifications in Warwickshire, request a quote via info@mjmodifications.co.uk.

Cross-reference

3331677078133312283419

Search terms our customers use

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