Do the bounce test to verify things, but, even though I didn't know the "industry standard", I always said 10 years or 80k miles should about wear a shock out. There's a lot of bang for the buck when you change your shocks - ride will be like it was back in 1997.

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- Brian


1989 500SEL Euro
1966 250SE Cabriolet
1958 BMW Isetta 600