If your 2017-2020 BMW 440i xDrive has started to wallow, crash over expansion joints, or feel vague on the highway, the Bilstein B4 shocks restore the composure it left the factory with.
Bilstein supplies suspension as original equipment to manufacturers around the world, and applies the same engineering here. It fits the factory mounting points exactly and is covered by a limited lifetime warranty.
Features
Specifications
| Part Number | 20-238933 |
| Part Name | Shock Absorber |
| Vehicle | 2017-2020 BMW 440i |
| Drivetrain | AWD |
| UPC | 651860765419 |
| Boot Included | No |
| Finish | Black Paint |
| Internal Design | Monotube |
| Lower Mount Type | Eye 12.1 mm |
| Segment | Spare Parts |
| Series | B4 OE Replacement (DampTronic) |
| Spring Seat Included | No |
| Upper Mount Type | Stem |
| Quantity | Sold Individually |
| Notes | With Electronic Suspension |


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