Bilstein 19-230221 B4 Front Left Shock Absorber for BMW 6 Series F13 Coupe 2011-2017 (640i, 650i, 640d) OE Replacement Strut, Gas Pressure Twin-Tube

Bilstein B4 19-230221 NSF Damper for BMW 6 Series F13 Coupe 2011 to 2017

Bring back that crisp, planted BMW feel with this OEM-spec nearside front suspension unit. The Bilstein B4 19-230221 is a direct-fit, factory-equivalent damper for F13 6 Series Coupes including 640i, 650i and 640d. It delivers confident road holding, tidy body control and everyday comfort thanks to Bilstein’s gas-charged twin tube design and precise valving.

We fit these on customer cars and run them on our own builds. Feedback is consistently excellent for ride quality, steering precision and durability. If you want the matching right-hand side, choose Bilstein 19-230238.

Why this B4 unit is the smart choice

• Genuine OEM-level quality for a stock-feel refresh with zero compromises
• Gas-charged twin tube architecture for stable damping and high traction
• Direct replacement on the left-hand front corner with correct mounts and geometry
• Restores confidence under braking and through fast direction changes
• Quiet, comfortable ride on British roads without float or wallow
• Engineered to work seamlessly with original springs and top mounts

Tech details

• Position: Front axle left - UK nearside
• Design: Spring-bearing damper
• Mounts: Top pin - lower fork
• Construction: Twin tube - gas charged

Vehicle fitment

• BMW 6 Series Coupe F13 - model years 2011 to 2017
• Engines: 640i - 650i - 640d

Part numbers and IDs

• Bilstein Part Number: 19-230221
• EAN: 4025258718848
• UPC: 651860719054

Fitting and support

Need installation. Book professional fitting with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Compatibility check

We verify suitability before dispatch. Add your UK registration or last 7 of VIN at checkout and we will confirm this damper fits your specific F13.

What owners experience

Customers report a tauter front end, better turn in and a smooth, composed ride. This B4 unit is an ideal solution when your original front left shock is tired, leaking or causing uneven tyre wear.

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Manufactured by Bilstein