Powerflex PFR5-421 Rear Subframe/Cradle Mount Insert Bush Kit for BMW 3 Series E90 E91 E92 E93 E9x xDrive AWD xi 4x4 2005-2013 - Polyurethane Rear Axle Carrier Bushing Set (Pack of 2) | Suspension Handling Upgrade

Powerflex PFR5-421 Rear Axle Carrier Mount Insert Bush Kit for BMW 3 Series E90 E91 E92 E93 xDrive 2005 to 2013

Dial in precision and confidence at the back of your E9x AWD with this premium polyurethane insert kit. By supporting the factory rear cradle mounts, the PFR5-421 bushing inserts curb unwanted subframe movement for cleaner turn in, stronger traction and a more planted feel on B roads and motorways alike. Expect tighter chassis control without harshness, plus long term durability that far outlasts ageing rubber.

Part number: PFR5-421

Diagram reference: 20

Quantity in pack: 2 inserts

Why this upgrade

• Locks down rear cradle movement for crisper handling and predictable cornering
• Improves braking stability and steering response under load
• Helps maintain alignment to reduce irregular tyre wear
• Engineered polyurethane resists oil, salt and temperature cycling for consistent performance
• Excellent road manners with minimal NVH increase when paired with the OE mount
• Backed by Powerflex Lifetime Warranty for peace of mind

Compatibility

Direct fit for BMW 3 Series xDrive all-wheel drive models:

• E90 Saloon 2005 to 2013
• E91 Touring 2005 to 2013
• E92 Coupe 2006 to 2013
• E93 Convertible 2007 to 2013

Designed to be installed alongside the original equipment rubber mount. Looking for a full replacement mount bushing instead of an insert kit Use PFR5-422.

Real world results

We run these inserts on our own builds and customer cars, and feedback is consistently positive. Drivers report better road feel, reduced rear end float, improved traction out of bends and a more connected drive in everyday use and spirited runs.

What is included

• 2 x PFR5-421 rear cradle mount insert bushings
• Powerflex Lifetime Warranty support

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Also searched as

BMW E9x AWD rear cradle insert, rear axle carrier bush kit, E90 E91 E92 E93 4x4 subframe mount inserts, BMW xi rear mount bushings, chassis bush upgrade, performance polyurethane bushing kit, rear end stability upgrade, reduce wheel hop, handling improvement for BMW xDrive, aftermarket suspension bushes for BMW 3 Series, rear carrier mounting insert set, stiffen rear cradle, track day and fast road bushings, PFR5 421 insert kit.