Description

BMW Rear Differential 8686989

The BMW Rear Differential 8686989 is a genuine BMW rear axle final-drive assembly designed for selected BMW vehicles using the 215LWS differential specification.

The part number 8686989 corresponds to BMW OEM number 33108686989, also written as 33 10 8 686 989. BMW parts information identifies this component as a Final Drive with Differential and lists 33108686990 as the previous/replaced part number.

The exact application depends on the vehicle’s engine, drivetrain, transmission, market specification and whether the vehicle is equipped with the appropriate M Sport differential / S2T4 configuration. Parts data specifically notes the M Sport differential requirement for relevant applications.

For this reason, the complete part number and VIN should always be checked before ordering

PRODUCT SPECIFICATIONS

**Brand: BMW
**Product: Rear Differential
**Part Type: Rear Final Drive / Differential
**Position: Rear Axle
**Part Number: 8686989
**Part Number Suffix: 8686989-09
**BMW OEM Number: 33108686989
**BMW Formatted Number: 33 10 8 686 989
**Previous BMW Number: 33108686990
**Differential Type: Locking Differential
**Differential Specification: 215LWS
**Final Drive Ratio: 2.81
**Condition: Used / Second Hand
**Quality: Genuine BMW OE

BMW parts sources confirm 33108686989 / 8686989 and the 2.81 / 215LWS specification.