H&R Sway/Anti Roll Bar Kit for BMW Z4 E89 sDrive (Typ Z89/ZR) 2009-on - 27mm Front, 21mm Rear, 3-Way Adjustable Rear - Stabiliser/Anti-Sway/ARB Handling Upgrade

BMW Z4 sDrive Handling Upgrade Kit by H&R – Typ Z89/ZR (from 04/2009 onwards)

Unlock sharper steering, flatter cornering and rock‑solid stability with this premium stabiliser bar set for the BMW Z4 sDrive. Engineered in Germany by H&R, this sway bar package is the go‑to chassis upgrade for fast road use and track days, delivering a huge reduction in body movement and a more confidence‑inspiring drive.

Ideal search terms: BMW Z4 E89 sway bar kit, stabiliser bars, ARB upgrade, roll bar set, suspension tuning, chassis upgrade, anti‑sway bars, handling pack, road and track setup, H and R roll bars.

What you get

• Front bar diameter: 27 mm
• Rear bar diameter: 21 mm
• Front rate: fixed
• Rear rate: 3‑position adjustable for easy balance tuning

Why this is the must‑have Z4 upgrade

• Transforms turn‑in and mid‑corner stability for a flatter, faster line
• Dial out unwanted push or twitchiness using the rear 3‑way adjustment
• Keeps the car composed during quick direction changes and high‑speed bends
• Enhances grip distribution for more neutral handling and greater driver confidence
• Perfect for spirited B‑road driving and occasional circuit use

German engineering you can trust

• Manufactured in Germany by H&R with strict in‑house quality control
• High‑grade steel, one‑piece construction for maximum strength and longevity
• Cold‑formed and heat‑treated for durability under extreme loads
• TUV/ABE approved for peace of mind on the road

Real results, real feedback

We have fitted this kit on customer Z4s in our own workshop and the feedback is consistently excellent. Owners report a noticeably flatter chassis, sharper response and far more confidence on fast roads without sacrificing everyday comfort.

Fitment

BMW Z4 sDrive Typ Z89/ZR from 04/2009 onward. Commonly known as the E89 chassis.

Installation

Professional fitting recommended. MJ Modifications can supply and install at our Warwickshire workshop. For a tailored quote, email info@mjmodifications.co.uk.