Bilstein B4 Rear Shock Absorber / Damper / Shocker / Strut for BMW 5 Series G30 & F90 M5 (2016-On) inc xDrive & 530e PHEV | OE/OEM Spec Gas Twin-Tube Replacement | 19-274379

BMW 5 Series G30 F90 Rear Damper - Bilstein B4 19-274379

Part number: 19-274379  |  SKU: BILSTEIN-19-274379

Refresh the back end of your 5 Series with this Bilstein B4 rear damper, engineered to OE specification for BMW G30 and F90 platforms. Expect crisp body control, quiet operation and a factory-fresh ride on British roads. This gas-charged, twin-tube unit delivers consistent performance in all weather, stabilising the rear axle under braking, cornering and motorway cruising. Ideal when your existing shock is tired, seeping oil or causing knocks and bounce, it is a direct bolt-on solution that gets your BMW feeling tight and composed again.

We install these B4 units on customer G30 and F90 cars regularly and the feedback is excellent. Owners report improved stability, reduced float and a smoother, more controlled ride without adding harshness.

Key reasons to choose Bilstein B4

• OEM-quality damping and comfort for daily driving
• Gas-charged twin-tube layout for dependable control and safety
• Balanced ride and handling on UK B-roads, city streets and motorways
• Direct-fit rear shock unit designed to match original mountings
• Precise rear-end stability for confident braking and turn-in
• Proven German engineering trusted by enthusiasts and garages

Technical details

Axle position	Rear
Design	Spring-bearing damper
Mounting	Top pin
Construction	Twin-tube
Charge	Gas pressure

Compatibility

BMW 5 Series G30 and F90 from 09.16 onwards, including popular variants:

• Petrol: 520i, 530i, 540i including Mild-Hybrid and xDrive versions
• Diesel: 518d, 520d, 525d, 530d, 540d including Mild-Hybrid and xDrive versions
• PHEV: 530e, 530e xDrive, 545e xDrive
• Performance diesel: M550d xDrive

Unsure if it suits your car? We can confirm fitment before dispatch. Add your UK reg or last 7 of VIN at checkout.

When to change your rear shock

• Oil misting or leaks on the body of the shock
• Excessive bounce, rear-end float or poor stability over bumps
• Uneven tyre wear or longer stopping distances
• Clunks, knocks or rattles from the back axle

For best results, replace in pairs on the same axle to keep damping balanced left to right.

Professional fitting

Want it fitted properly first time? MJ Modifications in Warwickshire offers expert installation and alignment services. Request a fitting quote at info@mjmodifications.co.uk.

Part numbers and identifiers

Part number: 19-274379
SKU: BILSTEIN-19-274379
EAN: 4025258817565
UPC: 651860822068

What you get

1 x Bilstein B4 rear damper for BMW 5 Series G30 F90. Order two if renewing both sides of the rear axle.

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