Powerflex Handling Pack PF5K-1010 for BMW 1 Series M135i (F20/F21) - Front & Rear Polyurethane Suspension Bush Kit

PF5K-1010 Polybush Handling Upgrade for BMW M135i F20 F21

Unlock sharper response and tighter body control on your BMW 1 Series M135i with the PF5K-1010 performance bushing pack from Powerflex. This comprehensive front and rear polyurethane upgrade replaces ageing rubber mounts with high quality polybush components that hold your suspension geometry steady under load. The result is crisper steering, improved stability under braking, better traction out of corners and a more connected feel on fast road and track day driving while remaining perfectly civil for daily use.

Part number: PF5K-1010

What you get in the PF5K-1010 pack

• PFF5-1901 Front radius arm to chassis bush
• PFF5-1902 Front control arm to chassis bush
• PFR5-1920 Rear subframe front bush insert
• PFR5-1921 Rear subframe rear bush insert
• PFR5-1927 Rear differential front bush insert

Why enthusiasts choose this uprated bushing kit

• Transforms front end bite and steering precision on the M135i
• Reduces unwanted movement and bush deflection for consistent alignment
• Enhances traction and minimises wheel hop for faster corner exits
• Durable polyurethane resists oil, salt and temperature for long service life
• Great value upgrade pack compared with buying items separately
• Includes complimentary Powerflex keyring and sticker
• Backed by the Powerflex Lifetime Warranty

Fitment

Suits BMW 1 Series M135i on the F20 5 door and F21 3 door platforms. Direct replacement for factory rubber bushes with no permanent modifications required. Ideal for road, fast road and occasional circuit use with minimal change in cabin refinement when installed correctly.

Real world results

We have installed this kit on customer M135i builds and feedback is consistently positive. Owners report more immediate turn in, greater mid corner confidence and a planted rear end under hard acceleration and braking. Pair with quality alignment and tyres for a standout chassis upgrade.

Professional fitting available

Want it installed by specialists who know BMW suspension inside out? Book professional fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Keywords customers use to find this product

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