Description
Restore your BMW 5 Series E28 (1981–1988) to original factory ride comfort with the Bilstein B4 Front Shock Absorber, built with a precise M48x1.5 gland nut for proper fitment.
This OE replacement shock is engineered to match the performance and handling of your original suspension. Designed specifically for RWD E28 models, the Bilstein B4 utilizes gas pressure technology for improved stability, fade-free damping, and long-term durability.
With the correct M48x1.5 gland nut thread, this B4 insert is ideal for accurate installation in strut housings that require this specification.
Key Features:
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Vehicle Fitment: BMW 5 Series E28 (1981–1988) – RWD
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Position: Front
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Product Line: Bilstein B4 – Standard (OE Replacement)
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Thread Size: M48x1.5 gland nut
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Designed for strut housings requiring M48x1.5 threads
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Gas pressure twin-tube design for consistent damping
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Direct-fit replacement for factory ride comfort
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Manufactured in Germany with strict OE standards
✅ Best suited for stock height, comfort-focused restorations and replacements.
