Bilstein B4 Rear DampTronic Shock Absorber for BMW F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 (EDC/xDrive) OE Replacement - Fits 1/2/3/4 Series inc. M135i, M240i, 335i, 440i - Part No. 20-238933

Bilstein B4 Rear DampTronic Shock Absorber for BMW F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 (EDC/xDrive) OE Replacement - Fits 1/2/3/4 Series inc. M135i, M240i, 335i, 440i - Part No. 20-238933

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Bilstein BMW F20 F22 F30 F32 B4 Rear DampTronic Shock Absorber - Part Number 20-238933

Upgrade or replace your tired rear shock with the Bilstein B4 Rear DampTronic shock absorber for BMW F Series. This genuine Bilstein B4 DampTronic rear damper is a direct OE-quality replacement for BMW models equipped with electronic damping control, delivering the factory ride, control and confidence you expect. Perfect for daily driving, fast road use and long-term reliability, the B4 restores comfort and precision without changing ride height.

Keywords customers search for: Bilstein B4 DampTronic rear shock absorber, BMW F20 rear shock, BMW F22 rear damper, BMW F30 rear DampTronic shock, BMW F32 rear shock absorber, BMW xDrive rear shock, BMW M135i rear shock, M240i rear damper, 335i xDrive rear shock, 440i xDrive rear damper, OEM replacement EDC shock, electronic rear shock BMW, plug-and-play Bilstein DampTronic.

Why choose Bilstein B4 DampTronic for your BMW

  • Direct plug-and-play replacement for cars with electronic damping - retains factory modes and integration where fitted
  • OE-level quality and fit with Bilstein gas-pressure technology for consistent damping under any load
  • Restores precise handling, high traction and confident braking stability
  • Built to match original ride comfort and control - as-new driving feel
  • High reliability and durability for UK roads and daily use
  • Ideal as a single replacement or as a matched pair for a complete rear axle refresh

We run Bilstein B4 DampTronic dampers on our own cars and have fitted them to many customer vehicles. Feedback is consistently positive for ride quality, steering feel and stability, especially on xDrive models and performance trims like M135i, M240i, 335i and 440i.

What’s included

  • 1 x Bilstein B4 Rear DampTronic OE replacement shock absorber

Part Number: 20-238933

Compatibility

Suits BMW F Series models listed below. For vehicles with electronic damping control where applicable. If you are unsure, match by part number or contact us with your VIN.

1 Series
  • 1' F20 (07/2010 - 02/2015) - 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d, 118dx, 120dx, M135i, M135ix
  • 1' F20 LCI (05/2014 - 03/2019) - 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d, 118dx, 120dx, M135i, M135ix, M140i, M140ix
  • 1' F21 (07/2010 - 02/2015) - 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d, 118dx, 120dx, M135i, M135ix
  • 1' F21 LCI (05/2014 - 03/2019) - 114i, 116i, 118i, 120i, 125i, 114d, 116d, 118d, 120d, 125d, 118dx, 120dx, M135i, M135ix, M140i, M140ix
2 Series
  • 2' F22 (10/2012 - 06/2017) - 218i, 220i, 228i, 230i, 218d, 220d, 225d, 220dX, 228iX, 230iX, M235i, M235iX, M240i, M240iX
  • 2' F22 LCI (09/2016 - 03/2019) - 218i, 220i, 228i, 230i, 218d, 220d, 225d, 220dX, 228iX, 230iX, M235i, M235iX, M240i, M240iX
  • 2' F23 (03/2014 - 06/2017) - 218i, 220i, 228i, 230i, 218d, 220d, 225d, 220dX, 228iX, 230iX, M235i, M235iX, M240i, M240iX
  • 2' F23 LCI (09/2016 - 03/2019) - 218i, 220i, 228i, 230i, 218d, 220d, 225d, 220dX, 228iX, 230iX, M235i, M235iX, M240i, M240iX
3 Series
  • 3' F30 (02/2011 - 07/2015) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 335iX
  • 3' F30 LCI (09/2014 - 10/2018) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 340i, 340iX
  • 3' F31 (07/2011 - 07/2015) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 335iX
  • 3' F31 LCI (09/2014 - 03/2019) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 340i, 340iX
  • 3' F34 GT (07/2012 - 06/2016) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 335iX
  • 3' F34 GT LCI (09/2015 - 03/2019) - 316i, 320i, 328i, 330i, 330e, 335i, 318d, 316d, 320d, 325d, 330d, 335d, 318dX, 320dX, 320iX, 328dX, 328iX, 330dX, 335dX, 340i, 340iX
4 Series
  • 4' F32 (11/2012 - 02/2017) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix
  • 4' F32 LCI (05/2016 - 03/2019) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix
  • 4' F33 (03/2013 - 02/2017) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix
  • 4' F33 LCI (05/2016 - 03/2019) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix
  • 4' F36 Gran Coupé (07/2013 - 03/2017) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix
  • 4' F36 Gran Coupé LCI (05/2016 - 03/2019) - 418i, 420i, 428i, 430i, 435i, 440i, 420d, 425d, 430d, 435d, 420dx, 420ix, 428ix, 430dx, 430ix, 435dx, 435ix, 440ix

Fitting and advice

Professional fitting recommended. We offer in-house installation at Nforcd in Warwickshire. For a fitting quote or to confirm compatibility with your VIN, email Sales@nforcd.com.

Tip: for best results and balanced handling, replace rear dampers in pairs. Consider pairing with matching Bilstein B4 DampTronic front struts for a complete chassis refresh on F20, F22, F30 and F32 models including M135i, M240i, 335i and 440i, as well as xDrive variants.

Manufacturer and warranty

Manufactured by: Bilstein

Warranty: 2 Year Bilstein Warranty