HD, for stock suspensions
Front Bilstein Heavy-Duty (HD) shock. HD shocks are for cars with the standard, factory suspension. They are typically about 20% firmer than the original shock, improving body roll, brake dive, and overall handling. Includes top nut. Price is per shock.
This Bilstein HD Front shock fits the following BMWs:
325i, 325is, 325ic (convertible)
318i, 318is, 318ic
328i, 328is, 328ic, 323i, 323is, 323ic
328is, 328ic, 323is, 323ic (two door models only in 1999)
Z3 1.9, Z3 2.3, Z3 2.5, Z3 2.8, Z3 3.0