Bilstein 19-240084 Suspension Shock Absorber - Rear

Bilstein B4 Rear Shock for BMW i3

The Bilstein B4 OE Replacement shock absorber, part number 19-240084, is built to restore original ride quality and handling on the rear of the BMW i3. It is engineered to meet or exceed OE standards while preserving the factory driving feel.

Compatible with 2014-2019 BMW i3 rear applications, this Bilstein shock absorber uses a twintube internal design, a stem upper mount, and an eye 15.8 mm lower mount. The black paint finish and OE-style construction make it a direct replacement choice for drivers servicing a BMW i3 rear suspension.

Key Features

• Bilstein B4 OE Replacement series
• Part number 19-240084
• Twintube internal design for OE-style damping response
• Upper mount type: stem
• Lower mount type: eye 15.8 mm
• Black paint finish
• No boot included
• Fits rear suspension applications on the BMW i3

OE Replacement Details

The Bilstein B4 OE Replacement line is focused on restoring factory ride quality, steering response, and handling balance without changing the vehicle’s original suspension character. For BMW i3 owners, this rear shock absorber provides a direct-fit service part that follows OE standards and supports consistent damping performance. This part cross-references BMW OE numbers 33 52 6 852 231 and 33 52 6 852 232 for the same application.

Common Issues This Part Can Address

• Excessive rear bounce or oscillation
• Reduced damping control over bumps and dips
• Rear-end instability during cornering or braking
• Uneven ride quality compared with factory feel
• Wear-related shock absorber leakage or loss of performance

Installation Notes

Fits 2014-2019 BMW i3, rear. Verify mount style and suspension configuration before installation, and replace shocks in pairs when servicing both sides of the rear axle. The part number 19-240084 should be matched to the vehicle’s OE reference and position before assembly.

Quality Assurance

Bilstein manufactures the B4 OE Replacement series to meet or exceed OE standards, with a focus on restoring original ride quality and handling characteristics on the BMW i3 rear suspension.