Bilstein B6 Rear Shock/Strut Damper 24-304481 (BILSTEIN-24-304481) for BMW Z4 G29 (20i 30i M40i) & Toyota GR Supra A90/A91 2019+ 2.0/3.0 – Performance Gas Monotube OE Replacement Rear Shock Absorber – Direct Fit, Stock Height

Bilstein B6 Rear Strut Upgrade for BMW Z4 G29 and Toyota GR Supra 2019-on 2.0 and 3.0 – Part No. 24-304481

Transform the rear end of your Z4 G29 or GR Supra with this Bilstein B6 gas-charged rear damper, part number 24-304481 (BILSTEIN-24-304481). This OE-plus shock is a direct-fit replacement that delivers tighter body control, stronger traction and a confident, planted feel without sacrificing daily comfort. Expect crisper turn-in, flatter cornering and a smoother, more controlled ride on British roads and fast A-road blasts.

We run these ourselves at MJ Modifications and our customers love the improvement in rear axle composure compared to tired factory shockers. If you are chasing an uprated rear strut that works perfectly with standard springs and keeps stock ride height, this is the bolt-on solution.

Why this Bilstein B6 is the smart rear-end upgrade

• Sporty damping with everyday refinement – ideal for daily driving, fast road use and weekend runs
• Monotube, gas-charged construction for consistent control and reduced fade when pushed
• Improves stability, grip and steering response for greater confidence on B-roads and motorways
• High durability and performance reserves – designed to cope with mileage, load and spirited use
• Works with factory coils – no spring change or lowering kit required
• Engineered and road-tested by Bilstein for precise, repeatable performance
• Straight swap for the original rear shock – no cutting or coding

Perfect for these models

• BMW Z4 G29 Roadster 2018-on
  • sDrive 20i 2.0
  • sDrive 30i 2.0
  • M40i 3.0
• Toyota GR Supra 2019-on (A90 and A91 – DB_ platform)
  • 2.0 turbo
  • 3.0 turbo including GR variants

Technical information

Fitment check before we ship

We will verify compatibility prior to dispatch. Add your UK registration or the last 7 of your VIN at checkout so we can confirm this B6 rear damper 24-304481 suits your G29 Z4 or GR Supra.

Professional installation

For fitting and alignment, choose MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Part numbers

Part number: 24-304481 / BILSTEIN-24-304481

Manufacturer: Bilstein

EAN: 4025258860387

UPC: 651860868103

What owners say

Drivers report tighter rear-end control, better traction on uneven surfaces and a more stable, confidence-inspiring chassis. It is a direct swap that instantly refreshes the feel of the car.

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Order now for sharper handling, improved stability and a more composed ride from a brand enthusiasts trust.