H&R Sway Bar / Anti-Roll Bar (Stabiliser/Stabilizer) Kit, Adjustable 28mm Front 20

Sharpen your BMW 3 Series handling with a premium stabiliser upgrade

Give your BMW 3 Series the flat, confident cornering it deserves with this front and rear sway bar set designed for the F30 Saloon, F31 Touring and F34 Gran Turismo. Perfect for rear-wheel drive four-cylinder models from 10/2011 onwards, excluding 320i and 328i. This chassis upgrade delivers precise roll control, crisper turn-in and a beautifully balanced feel on fast road and track days.

Why enthusiasts choose this sway bar set

• Front bar 28 mm and rear bar 20 mm for a noticeable step up in roll stiffness and stability
• Two-position adjustment front and rear so you can fine tune balance for road, fast-road or circuit use
• Flatter cornering, improved steering response and more predictable behaviour at the limit
• Reduces understeer and oversteer, helping tyres maintain grip for quicker, cleaner exits
• Comfortable on the daily commute yet confidence-inspiring when you press on

Engineered in Germany for strength and consistency

• Manufactured from high-tensile spring steel for outstanding durability
• One-piece construction to remove weak welded joints
• Cold-formed then heat-tempered for long-term performance and corrosion resistance
• TÜV tested and approved for peace of mind
• Precision-built in Germany to exacting standards

Real-world results you can feel

We have run this stabiliser kit on our own builds and customer cars with superb feedback: quicker direction changes, less body roll, and a more composed chassis on B-roads and motorway slip roads alike. It is a straightforward bolt-on suspension upgrade that transforms the way your 3 Series drives without spoiling everyday refinement.

Fitment

• BMW 3 Series F30 Saloon, F31 Touring, F34 Gran Turismo
• Rear-wheel drive, four-cylinder models
• From 10/2011 onwards
• Excludes 320i and 328i

Spec highlights

• Front diameter: 28 mm
• Rear diameter: 20 mm
• Front adjustability: 2 positions
• Rear adjustability: 2 positions

Perfect for

• BMW F30 sway bar upgrade
• F31 stabiliser bar kit
• F34 anti-sway set for improved cornering
• Track day suspension tuning and fast-road set-ups
• Chassis roll control for sharper steering and balanced handling

Professional installation

Want it fitted right first time? Book expert installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and scheduling.

Why buy from MJ Modifications

• Tried-and-tested on our own cars and customer builds
• Trusted advice on set-up for road, fast-road and track
• Friendly aftercare and support

Upgrade your 3 Series with a high-quality sway bar set and enjoy flatter cornering, sharper turn-in and a more engaging drive every time you get behind the wheel.