Condition: Used – Good Vintage Condition (Fully functional)

Placement on Vehicle: Rear Quarter Side Window (Pop-Out Vent)

Brand: Genuine BMW OEM

Part Number: 51361826810 (51 36 1 826 810)


Up for sale is a single genuine factory-original BMW rear side vent pop-out window latch assembly. This is the authentic vintage interior hinge mechanism responsible for locking and unlocking the rear quarter window glass.


Condition Details:

- Pre-owned vintage condition.

- Stamped metal mechanism is structurally solid with no bends or twisted components.

- The pivot joint retains crisp resistance and holds the open position securely without slipping or slamming shut under pressure.

- Displays typical minor surface scuffs, light hardware patina, and normal age-related dust from cabin use, but it is fully intact and ready to mount.


Vehicle Fitment:

Exclusively designed for first-generation classic 3-Series two-door / coupe models:

- 3-Series (E21 Chassis): 1975 – 1983 (320i, 323i, 316, 318, etc.)


*Listing includes exactly one (1) single side vent latch assembly as pictured. Can be utilized on either the driver or passenger side window tracking points. The black outer plastic snap-on cover cap is not included.*