BMW F20 F21 F22 Underbody Chassis Brace Kit – Genuine OEM Lower Reinforcement Bar / Rear Subframe Cross Brace Stabiliser – Fits 1 Series & 2 Series M135i M140i – Handling Upgrade

OEM BMW Lower Reinforcement Bar for 1 Series and 2 Series

Transform the way your car drives with this factory BMW bracing kit. It tightens up the rear end, increases stability and banishes that floaty feeling under hard acceleration. Expect sharper turn in, calmer motorway composure and more confidence on fast B-roads. We have fitted this upgrade on our own cars and countless customer vehicles, and the feedback is consistently positive.

Why choose this OE stabiliser assembly

• Authentic BMW component for perfect fit and durability
• Automotive-grade steel with anti-corrosion coating for long-term protection
• Supplied as a complete kit with all required hardware
• Proven handling upgrade that reduces underbody flex and improves steering response

Compatible models

• BMW 1 Series F20 and F21, including M135i 2012 onwards
• BMW 1 Series F20 and F21, including M140i 2015 onwards
• BMW 2 Series F22 and F22 LCI, all engine variants

Popular search terms this part covers

BMW F20 handling upgrade, F21 brace kit, F22 lower brace, 1 Series stability bar, 2 Series cross brace, M135i subframe brace, M140i chassis reinforcement, suspension stiffening kit, rear axle brace, undercarriage crossmember support, OEM BMW bracing kit, performance handling upgrade.

What you receive

• Tension strut - BMW part numbers: 33326797099 or 33326892484 or 33326895135
• Pushrod left - 33326793651
• Pushrod right - 33326793652
• Torx bolt x2 - 33306861221
• Expanding plastic rivet x2 - 51118174185
• White plastic parts x2 - 07147201307

Key benefits

• Enhances chassis rigidity for more precise cornering
• Helps reduce rear-end movement during acceleration
• OEM quality and reliability with factory-spec hardware
• Ideal upgrade for spirited road use and fast-road setups

Professional fitting

For installation, we recommend MJ Modifications in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Note: This is a genuine BMW OE bracing assembly with the above-listed BMW part numbers and hardware included.