Goodday for ALL Bimmers & Frenz...Just seek your good advise ...I past 2 years...I've changed my front & rear absorber for 2 times.... (1st - Gabriel ...2nd Sachs) How can this thing could happen...I used the car in normal drive condition....Plan to change the absorber with the better grade but I afraid the same problem will occurs....I am not sure what is reason.....Please help....