The Bilstein B4 BMW Strut Insert (manufacturer part number 21-031199 / 21031199) delivers OE-level performance and reliability for a range of BMW E34 models. As an OE Supplier part, it is engineered for precise fit and optimal ride comfort, maintaining the original handling characteristics of your vehicle.
Key Features:
- Manufactured by Bilstein B4, trusted OE supplier
- Part number: 21-031199 / 21031199
- Designed for front left or right positions
- Compatible exclusively with BMW models that feature a 2.5" upper strut mount dust cap and 22mm top nut
Verified applications include select BMW 525i, 530i, 535i, 540i, and M5 models in sedan and wagon body styles (refer to specific years and notes). Choose Bilstein B4 for consistent OEM-quality suspension restoration.
Specifications
Product Type
OE Supplier
OE Part Number
21-031199 / 21031199
Cross Reference Part Numbers
PNE3119BC, PNE3119BG
OEM
No
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