I think our koni bilstein eibach H&R suspensions are wearing those out, mine has the same symptoms as you guys describe and its been doing it alot since the temp has been 50 or below, yet the 2002 530 Im selling has no such issue?

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2004 525i
Silver Grey Metallic
H&R Springs
H&R Sway Bar
Koni Struts
Velocity VB3