Eibach Anti-Roll-Kit E40-20-031-02-11 Front & Rear Sway/Anti Roll Bar Set - BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 - ARB Stabilizer/Stabiliser Handling Upgrade Suspension

Eibach E40-20-031-02-11 Front and Rear ARB Kit for BMW F Series 1, 2, 3, 4

Looking to tighten up your BMW’s chassis and make every bend feel composed and predictable? This Eibach E40-20-031-02-11 front and rear ARB package is a proven roll control upgrade for F-chassis 1 Series, 2 Series, 3 Series and 4 Series. Expect crisper steering response, flatter cornering and a more planted feel on fast road and track day driving without altering ride height.

We use this kit on our own builds and customer cars. Feedback is consistently positive: cleaner turn-in, better mid-corner stability and confidence under load changes. If you want a BMW handling upgrade that works brilliantly on UK roads, this is it.

Key benefits

• Sharper steering precision and reduced body roll for a composed, neutral chassis
• Improved grip distribution across the axle for faster, more stable cornering
• Keeps factory ride height and comfort characteristics intact
• Cold-formed high-strength steel bars for accuracy and durability
• Hard-wearing red powder coat finish for long-term corrosion resistance
• Supplied with quality mounting hardware for a clean, straightforward install

How it works

The Eibach bars increase roll stiffness compared with OE components, helping to keep the car flatter through direction changes. By managing lateral load transfer more effectively, tyre contact is improved, giving you better traction, stability and a more connected steering feel. During equal wheel movement the bars remain neutral, so primary ride remains civilised.

What’s in the box

• Front bar: AS41-20-031-02-VA
• Rear bar: AS41-20-031-01-HA
• All required mounting hardware

Compatibility

For BMW F Series platforms and engines as listed below:

• 1 Series
  • F20 Hatchback 11.10 - 06.19: 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d
  • F21 3-door 12.11 -: 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d
• 2 Series
  • F22 Coupe 10.13 -: 218i, 220i, 225i, 228i, 230i, 218d, 220d, 225d
  • F23 Cabriolet 11.14 -: 218i, 220i, 225i, 228i, 230i, 218d, 220d, 225d
• 3 Series
  • F30 Saloon 10.11 - 10.18: 316i, 318i, 320i, 328i, 330i, 316d, 318d, 320d, 325d
  • F31 Touring 06.12 - 06.19: 316i, 318i, 320i, 328i, 330i, 316d, 318d, 320d, 325d
  • F34 Gran Turismo 03.13 -: 320i, 328i, 318d, 320d
• 4 Series
  • F32 Coupe 07.13 -: 418i, 420i, 425i, 428i, 430i, 418d, 420d, 425d
  • F33 Cabriolet 10.13 -: 420i, 425i, 428i, 430i, 420d, 425d
  • F36 Gran Coupe 03.14 -: 418i, 420i, 425i, 428i, 430i, 418d, 420d, 425d

Perfect partners

Combine with Eibach Pro-Kit or Sportline springs for a full suspension refresh. Springs add the stance and initial chassis response, while this ARB kit fine-tunes balance and roll control for maximum confidence and grip on B-roads and circuit use.

Fitting and setup

Professional installation and alignment available at MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and setup advice. We can help with fast-road geometry or a track-focused alignment to get the most from your BMW.

Fitment check before dispatch

We will verify compatibility before shipping. Please provide your UK registration or the last 7 digits of your VIN at checkout to ensure this kit is correct for your vehicle.

Part number

E40-20-031-02-11

Brand and warranty

Manufacturer: Eibach

Warranty: 5-year Eibach warranty

Why buy this BMW ARB kit

• Real-world handling gains on F20, F21, F22, F23, F30, F31, F34, F32, F33, F36
• Front and rear roll control bars included for a balanced setup
• Ideal for fast road, spirited driving and occasional track days
• Premium build quality from a trusted suspension specialist

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