Springs determine ride height. But the shocks are gas charged and have 75 lbs each so the car will ride a little higher if blown shocks are replaced. The rear sub frame mounts can go, resulting in a lower ride height. Springs last a very long time so if the shocks are really old, try replacing them.

Steve.

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si