Blog, BMW Case Studies, Car Repair and Servicing, Case Studies BMW Case Study 73: 320i Shock Absorber replacement Posted on May 5, 2022May 5, 2022 by admin 05 May Why is there a loud knocking sound whenever my car crosses a hump? Daniel BMW 320i is having a loud thud whenever he cross a hump and visited Revol Carz Garage for a check. Looking under the chassis revealed general symptoms associated with bad Shock Absorbers. Shock Absorbers should be replaced in pairs. This picture shows the pair of bad Shock Absorbers removed. At the Top is the worn Rear Absorber assembly. A pair of new Absorbers are ready to replace. It is essential to also replace the worn Absorber Linkage too when replacing the Rear Shock Absorbers. With the brand-new rear Shock Absorbers in place, Daniel BMW 320i is eager to enjoy a cushy ride.A complimentary car wash with vacuum was the order for the day before we unleash the gorgeous Bimmer back to Mr. Daniel! We are happy to serve our valued customers! Spray Painting For Scratches On Your Car? Call Revol Now!