Bilstein 24-313728 B6 Performance Rear Shock Absorber for BMW 3 Series G20 G21, 2 Series G42, M3 G80 G81 (Non-EDC) Monotube Gas Pressure OE Upgrade Rear Damper

Bilstein B6 Rear Damper 24-313728 for BMW G-Series Models — OE-Plus Back Axle Upgrade

Transform the way your BMW rides and handles with the Bilstein B6 rear damper, part number 24-313728. This iconic yellow Bilstein unit is a direct-fit back axle shock for G-series cars without adaptive damping, delivering crisp control, excellent composure and confidence on British roads. Expect sharper response, reduced float and better stability in fast cornering and on uneven tarmac, all while keeping daily comfort intact.

We run B6 on our own cars and customers consistently tell us their BMW feels more planted, more predictable and more enjoyable to drive. If you are searching for a rear strut upgrade, heavy-duty rear shock, sport rear shocker or OE-spec replacement for your G-chassis BMW, this is the proven choice.

Why enthusiasts choose Bilstein B6

• Genuine OE-plus quality with tighter body control and precise steering feel
• Monotube gas-pressure design for consistent damping and fade resistance
• High durability for daily use, motorway miles, loaded cars and spirited driving
• Works with factory coil springs — no spring change required
• Tuned by Bilstein on real roads for balance, grip and stability
• Direct replacement fitment with no coding on non-adaptive cars

Fitment overview

Rear axle damper for BMW G-platform vehicles without electronic damping control, including:

• BMW 3 Series G20 Saloon and G21 Touring, including petrol, diesel, mild-hybrid and plug-in hybrid variants such as 318d, 320d, 320i, 330i, 330e, M340i, M340d, xDrive models
• BMW 2 Series G42 Coupé, including M240i xDrive
• BMW M3 G80 Saloon and G81 Touring non adaptive setups

Common searches: rear shock for BMW G20 saloon, G21 estate back shock, G42 coupé rear strut, G80 G81 rear suspension damper, xDrive rear shock replacement, 330e PHEV rear damper, 320d diesel rear shocker, M340i rear suspension upgrade, non adaptive rear damper for BMW.

Key features at a glance

• Position: rear axle
• Design: monotube gas-pressure
• Mounts: bottom eye, top pin
• Spring seat: damper only, uses original spring
• System: for vehicles without electronic suspension control

What you will feel

• More planted rear end on B-roads and motorways
• Cleaner traction over bumps and mid-corner imperfections
• Reduced pitching and roll for a calmer, more controllable drive
• Improved high-speed stability and braking composure

Real-world results

We have installed these dampers on customer cars and our own demonstrators with excellent outcomes. Feedback highlights include tighter rear-end support, better grip on poor surfaces and a more confident, premium feel. If your factory shocks feel tired or you want a sportier, OEM-quality upgrade, Bilstein B6 24-313728 delivers.

Compatibility check

Not sure it fits your vehicle? We offer a free fitment check before dispatch. Send your UK registration or last 7 of your VIN at checkout and we will confirm suitability. Note: only for cars without adaptive damping control, also described as non EDC or without electronic suspension.

Professional fitting

Want it installed properly first time? Book fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quotation, lead times and setup advice for your specific BMW model.

Part numbers and identifiers

• Part number: 24-313728
• Bilstein SKU: BILSTEIN-24-313728
• EAN: 4025258858957
• UPC: 651860866642

Search terms to help you find the right part

BMW G20 rear shock upgrade, BMW G21 Touring rear strut, BMW G42 2 Series back shock absorber, BMW G80 G81 rear damper non adaptive, BMW rear shock replacement 2019 onward, BMW 330e PHEV rear suspension, BMW 320d diesel rear shocker, BMW 330i petrol rear shock, M340i xDrive rear shock, heavy duty rear damper, sports suspension rear, G-series rear monotube, OE-spec rear shock for BMW, Bilstein yellow rear damper.