2016-2019 BMW 7 Series Front Left Seat Belt 34177030
Specifications
OEM number
34177030
Side
Left (driver side)
Position
Front
Donor year
2016
Body style
Sedan
Fuel
Gas
Engine size
4.4 L
Transmission
Auto
Drivetrain
AWD
Suspension
Air
Trim
Xdrive m package
Donor mileage
87000
Paint code
A89 Imperial Blue Brilliant Effect
About this part
Also known as
Front Left Seat Belt
Driver Side Seatbelt
Seatbelt Retractor Assembly
Seat Belt Pre-tensioner
Safety Belt
What this part does
The front left seat belt secures the driver in the seat and features an integrated pyrotechnic pre-tensioner designed to instantly tighten the webbing during a severe collision. Located inside the lower B-pillar behind the interior trim, this component acts in tandem with the airbag control module to manage occupant deceleration forces. When the internal recoil spring weakens, the webbing may fail to retract properly when unbuckled. If the vehicle has been involved in an accident and the pre-tensioner deploys, the retractor will lock permanently, requiring a complete replacement of the assembly, and the restraint system warning light will illuminate on the instrument cluster.
Fits these vehicles
| Make | Model | Years | Engine |
|---|---|---|---|
| BMW | 750i xDrive | 2016-2019 | 4.4L |
| BMW | 750i | 2016-2019 | 4.4L |
| BMW | 740i | 2016-2019 | 3.0L |
| BMW | 740i xDrive | 2017-2019 | 3.0L |
| BMW | Alpina B7 | 2017-2019 | 4.4L |
| BMW | M760i xDrive | 2017-2019 | 6.6L |
| BMW | 740e xDrive | 2017-2019 | 2.0L |
OEM and interchange numbers
34177030
Before you order
If you are replacing this belt due to a prior deployment, note that the vehicle's supplemental restraint system (SRS) module will also need to be reset or cleared of crash data by a qualified technician before the warning light will turn off. Verify your original part number matches 34177030 exactly, as the BMW 7 Series utilizes different electrical connectors on the pre-tensioner depending on specific active safety equipment packages and production dates.
