The Bilstein B3 replacement rear coil spring for BMW 5 Series E39 Touring restores OE suspension function by matching original dimensions, spring rates and recognized design types such as minibloc or central force. Constructed from high-quality chrome-vanadium or chrome-silicon steel with features like pigtail ends and hot-setting after forming, it helps maintain ride height and safety to factory specs.
Bilstein B3 BMW 5 Series E39 Touring Replacement Rear Coil Spring