Bilstein B4 OEM Replacement Coilovers for BMW E39 5 Series
by Bilstein
Key Features
- Direct OEM replacement fitment for BMW E39 5 Series
- Monotube gas-pressure design runs cooler than twin-tube units
- Matches factory ride height - no alignment correction needed
- Front and rear application specific - order the correct end
- Stiffer initial feel than worn OEM is normal for first few hundred miles
- Check front strut mount bearing condition before install - replace if worn
Product Details
- Brand
- Bilstein
- Category
- Coilovers
- ASIN
- B0068MKXOC
Check if it fits your BMW
Bilstein B4 OEM Replacement Coilovers for BMW E39 5 Series — Overview
The Bilstein B4 is a direct OEM-replacement coilover for the E39 5 Series, built around Bilstein's monotube gas-pressure damper technology. It matches factory ride height and spring rates, so you're not changing the handling character - you're just restoring what the car felt like before the original dampers wore out. If your E39 is sagging, wallowing through corners, or the rear feels like it's on a boat, these are the straightforward fix without touching alignment specs or relearning the car.
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