Bilstein B4 OE Replacement (DampTronic) Suspension Rear Shock Absorber for 2017-2019 BMW 330i RWD/AWD

Bilstein B4 shocks bring the 2017-2019 BMW 330i back to its factory ride. When the original dampers wear out a car starts to float over crests and patter over broken pavement, and this is the fix.

Bilstein invented the monotube gas damper and has been building suspension in Germany since 1954. Every unit is built to the same standard the company supplies to the manufacturers themselves, and it is backed by a limited lifetime warranty.

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