Powerflex Road Series Rear Subframe Front Bush Insert Polyurethane BMW F20 F21 1 Series, F22 F23 2 Series, F30 3 Series, F32 F33 F36 4 Series (M135i M140i M235i M240i 335i 340i 435i 440i) OEM Ref 33316792509

Price is for one insert. Two inserts required per car.

Powerflex polyurethane insert for rear axle carrier front location - BMW F-Series 1 2 3 4

Sharpen your BMW’s chassis feel with this premium Powerflex poly bush insert for the forward position of the rear cradle. By infilling the factory rubber voids, it limits carrier movement under load, delivering crisper response, better rear end composure and more consistent grip on road or spirited drives. Expect tighter geometry control, cleaner power delivery and a more connected drive without turning your daily into a compromise.

We run these on our own cars at MJ Modifications and have installed them for many customers. Feedback is consistently excellent - firmer, more precise and confidence inspiring with a noticeable reduction in rear-end float.

Why this upgrade works

• Controls rear axle carrier deflection for improved stability and traction
• Firmer, more direct turn in and mid-corner confidence
• Helps maintain alignment under acceleration and braking for better tyre contact
• Tough, long lasting polyurethane engineered for street use
• Insert fits into the existing OE mount - no pressing out the original bush

Applications

BMW F-series platforms:

• F20 F21 - 1 Series
• F22 F23 - 2 Series
• F30 - 3 Series
• F32 F33 F36 - 4 Series

Popular models: M135i, M140i, M235i, M240i, 335i, 340i, 435i, 440i.

Reference

BMW OEM Ref: 33316792509

Fitting

Professional installation available at MJ Modifications in Warwickshire. For a quote or booking, email info@mjmodifications.co.uk.

Also known as

Rear cradle front position insert, rear carrier void filler, rear axle bush insert, sub-frame forward mount poly bush, urethane bushing for rear cradle, F-series rear carrier stabiliser insert.

Search terms customers use

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