Ultra Racing Rear Lower Subframe Brace for BMW 1 Series F20 (2011-2019) – Underbody Chassis Tie Bar / Crossmember Brace / Rear Frame Connector, 4-Point Bolt-On Stiffening Bar, F20 Hatchback Handling Upgrade

Dial in rear-end stability on your BMW 1 Series F20 with this Ultra Racing underfloor reinforcement

Looking for a real-world handling boost on your 2011 to 2019 BMW 1 Series F20 hatchback? This Ultra Racing rear undercarriage reinforcement connects key points of the rear structure to cut chassis flex and keep the back of the car planted. Expect crisper turn-in, more consistent grip through bumpy bends and a calmer, more predictable feel when you push on. We run these ourselves and customer feedback has been excellent for both fast road and track day use.

What you will feel

• Stiffer rear shell for better torsional rigidity and a more connected drive
• Sharper steering response with improved rear axle control on uneven surfaces
• More stable corner exits and confidence under braking and hard acceleration
• Suspension works in its intended geometry for repeatable performance lap after lap

Highlights

• Four fixing points for solid load distribution and effective bracing
• Bolts to existing locations for a straightforward install using factory hardware unless supplied
• Purpose-built rear crossmember tie bar for the BMW 1 Series F20 platform

Fitment

Vehicle: BMW 1 Series F20, model years 2011 to 2019. Rear lower underfloor reinforcement with four mounting points.

Why enthusiasts choose this rear tie bar

• Proven way to reduce body twist in the rear section of the F20
• Enhances traction and composure on country roads and during spirited driving
• Track day friendly upgrade that delivers consistent handling session after session
• Trusted by our team and by many happy MJ Modifications customers

Installation

Designed as a bolt-on rear frame connector for easy fitting. No cutting or welding required. We recommend professional installation for best results.

Want it fitted correctly first time? Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Search-friendly terms customers use

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