Bilstein B4 Front Right Shock Absorber (Offside Front OSF) for BMW 1 Series F20/F21 & 2 Series F22/F23 M Sport xDrive - OE Replacement Damper - Fits 118d 120d 228i 230i M135i M140i M235i M240i - Part 22-240590

Front Right RH Damper for BMW F20 F21 F22 F23 xDrive M Sport | Bilstein B4 | Part No. 22-240590

Bring back pinpoint steering, secure road holding and a supple ride with this Bilstein B4 right-hand front suspension unit. It is a direct bolt-on replacement for BMW 1 Series and 2 Series xDrive M Sport models, delivering OE-level control and comfort with the durability enthusiasts expect from Bilstein. Ideal for daily use and fast road driving, it refreshes tired suspension and restores confidence in all conditions.

We have fitted this exact unit in our own workshop and customers love the taut, factory‑fresh feel. Turn-in is crisp, mid-corner stability is improved and high-speed composure is exactly what you want from a quality OE-spec strut.

Key reasons to choose this RH front strut

• Right-hand side OSF driver’s side fitment for UK vehicles
• OE-spec gas pressure design for consistent damping and reliable body control
• Restores comfort, traction and braking stability on worn setups
• Engineered to BMW tolerances for a straightforward, plug-in installation
• Works perfectly with standard M Sport springs and geometry
• Proven longevity from a world-renowned suspension specialist

Vehicle fitment

Compatible with xDrive M Sport variants only:

• BMW 1 Series F20 and F21 2011–2018
  • 118d xDrive
  • 120d xDrive
  • M135i xDrive
  • M140i xDrive
• BMW 2 Series F22 and F23 2013–2020
  • 220d xDrive
  • 228i xDrive
  • 230i xDrive
  • M235i xDrive
  • M240i xDrive

What you receive

• 1 x Bilstein B4 front right shock absorber RH OSF
• Part number: 22-240590

This listing is for the driver’s side front only. For best results and even wear, replace suspension units in pairs. Matching nearside front available separately.

Installation and support

Professional fitting available at MJ Modifications in Warwickshire. For a quick fitting quote or compatibility check against your VIN, email info@mjmodifications.co.uk. We recommend new top mounts and hardware where required, and torquing to manufacturer specifications.

Technical highlights

• Consistent damping across a wide range of temperatures and loads
• Direct-fit replacement that retains factory ride height and characteristics
• Ideal remedy for knocking, leaking or spongy front suspension
• Designed for four-wheel-drive xDrive M Sport applications

Warranty

Supplied with a 2-year Bilstein warranty.

Why buy from MJ Modifications

• Specialist knowledge of BMW F-series suspension setups
• Hands-on experience fitting Bilstein B4 on F20 F21 F22 F23 xDrive platforms
• Excellent customer feedback on ride quality and handling improvements

Common search terms

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