Quote Originally Posted by Tiger
Sounds normal to me... Sach/Boge shocks are twin-tubes... and that is about right for the lifespan...

Only Bilstein in my experience last forever. I actually never bought new shocks after installing Bilstein.
That can't be right? Didn't Sachs/Boge come original on my 89 525i? My originals had 260,000 miles and were still working.