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The Bilstein B6 monotube rear shock for 2020–2022 BMW 228i xDrive Gran Coupe is engineered as a performance upgrade to OE dampers while retaining use of the factory spring. The 46mm monotube design and application‑specific valving deliver improved handling, grip and lane stability in daily driving and more extreme conditions, offering a firmer, more controlled response without replacing springs.
Bilstein B6 20-22 BMW 228i xDrive Gran Coupe Rear Shock Absorber
