Bilstein B4 OE Replacement Rear Shock Absorber for BMW 6 Series F12 F13 — Part Number 19-227641
Restore the factory ride quality and precise handling of your BMW 6 Series with the genuine Bilstein B4 rear shock absorber. This is the correct OE replacement rear damper for BMW F12 Convertible and F13 Coupe models including 640i, 650i, 640d and xDrive variants. If your BMW feels floaty, bouncy, or unsettled at speed, the Bilstein B4 brings it back to how a 6 Series should drive: composed, comfortable and confident.
Why choose the Bilstein B4 rear shock for your BMW F12 F13
- Direct-fit OE replacement for the rear axle. No modifications, no hassle.
- Twin-tube gas pressure technology for consistent damping and stability.
- Restores factory comfort while improving control, cornering confidence and traction.
- High OE quality from Bilstein, a market leader in shock absorber technology.
- Ideal for daily road use, motorway miles and spirited B-road driving.
Fitment and compatibility
This rear shock absorber fits the following BMW 6 Series models:
- BMW 6 Series Convertible F12 — 640i, 650i, 640d
- BMW 6 Series Coupe F13 — 640i, 640i xDrive, 650i, 650i xDrive, 640d, 640d xDrive
If you are unsure about fitment, we offer a free compatibility check before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and we will confirm this part suits your exact vehicle.
Key features
- High power reserves for maximum safety
- Constant damping performance under load
- Precise handling thanks to Bilstein gas pressure technology
- OE-equivalent quality and durability
Technical details
- Fitting position: Rear axle
- Shock absorber system: Twin-tube
- Shock absorber type: Gas pressure
- Design: Spring-bearing damper
- Mounting: Bottom eye, top pin
Our experience
We run Bilstein B4 shocks on customer BMW 6 Series cars and have been consistently impressed with the ride quality, stability and OE fit and finish. Our customers appreciate how the B4 rear shock absorbs rough roads while keeping the 6 Series planted and predictable.
Professional fitting
Want it fitted properly first time? Book professional installation with Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quote and availability. We recommend replacing shock absorbers in pairs on the same axle and checking suspension alignment after installation.
Part numbers and identifiers
- Bilstein Part Number: 19-227641
- Nforcd SKU: BILSTEIN-19-227641
- EAN: 4025258720087
- UPC: 651860720586
Popular search terms
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Compatibility check
To ensure the part you have ordered fits your vehicle, we run a compatibility check prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout.