1 1

Powerflex

Powerflex PFR5-4613 Rear Subframe & Axle Carrier Bushing Insert Kit for BMW E46/E46 M3, X3 E83, Z4/Z4M E85 E86 E89 | Road Series Polyurethane Crossmember/Cradle Mount Upgrade | Replaces 33316770781 33312283419

Powerflex PFR5-4613 Rear Subframe & Axle Carrier Bushing Insert Kit for BMW E46/E46 M3, X3 E83, Z4/Z4M E85 E86 E89 | Road Series Polyurethane Crossmember/Cradle Mount Upgrade | Replaces 33316770781 33312283419

£65.88
£65.88 £65.88
Sale Sold out
Shipping calculated at checkout.

Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Urethane Rear Axle Carrier Insert Kit PFR5-4613 for BMW E46, M3, X3 E83, Z4 E85 E86 E89

Tighten up the rear of your BMW with this pair of Powerflex PFR5-4613 inserts. By filling the voids in the factory rubber mounts on the rear axle carrier, these poly inserts cut unwanted movement, keep your alignment steadier under load and deliver a more planted, confidence-inspiring drive for daily use, fast road and club sport setups.

Expect crisper turn-in, improved traction out of corners and far better rear-end stability without the harshness of solid mounts. We run these bushes on our own builds and our customers consistently report a more controlled back end with noticeably less squirm under acceleration, braking and quick direction changes.

Key benefits

  • Limits rear cradle shift for cleaner geometry and predictable handling
  • Sharper steering response and improved mid-corner stability
  • Helps reduce wheel hop and keeps tyre contact more consistent
  • Durable polyurethane construction for long service life
  • Cost-effective upgrade that fits into the existing rubber mounts
  • Minimal increase in NVH compared with solid or full replacement bushes

Fitment

Designed for the following BMW applications:

  • 3 Series E46: Saloon, Touring, Coupé, Convertible, Compact, xi/xd
  • M3 E46 including CSL
  • X3 E83
  • Z4 E85 and E86, plus E89
  • Z4M E85 and E86

Cross-reference

  • OE numbers: 33316770781, 33312283419

Part number

PFR5-4613

What you receive

  • 2 x rear axle carrier insert bushes
  • You need 2 inserts per vehicle for the rear positions on the cradle

Brand

Powerflex Road Series

Installation and support

These inserts are designed to sit within the voids of the original rubber, so pressing out the OE bush is not required. For best results, we recommend professional fitting.

Prefer us to install them for you? Book in with MJ Modifications in Warwickshire. Request a fitting quote: info@mjmodifications.co.uk

Compatibility check

We can verify fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout and our team will confirm suitability for your specific model.

Search-friendly terms

BMW rear axle carrier inserts, E46 rear cradle bush upgrade, M3 E46 poly bushings, X3 E83 rear crossmember bush, Z4 rear sub-frame mount insert, urethane rear mount kit, BMW chassis bush inserts, performance rear bush BMW, track day bush kit BMW, fast road rear axle bushes, BMW rear end stability upgrade, PFR5-4613 inserts, replace OE 33316770781 33312283419, BMW suspension poly upgrade.

View full details