Keystone BM1809107 Trunk Lid Lift Support Strut OEM Replacement 51247304556

The Keystone BM1809107 is an OEM-replacement trunk lid lift support strut designed for BMW 2 Series Coupe and Convertible models (2014–2021). This gas-pressurized spring, also known as a luggage lid strut or lift cylinder, provides the controlled force needed to smoothly raise and hold the trunk lid open hands-free. A single part number services both the right (passenger) and left (driver) side positions.

Key Features:

• Direct OEM replacement for BMW part number 51247304556
• Gas-pressurized cylinder design for smooth, consistent trunk lid operation
• Fits Coupe and Convertible body styles
• Single part replaces both left and right (driver and passenger) sides
• Restores proper trunk lid lift, hold-open function, and controlled closing

Cross-Reference Part Numbers: 51247304556, 5124730455603, 5B-434042, 5B434042, PM3376

Over time, trunk lid lift supports lose gas pressure and can cause the trunk to feel heavy, fail to stay open, or drop unexpectedly. Replacing worn struts restores safe, effortless trunk access and eliminates the need to manually prop the lid open.