BMW Final Drive Input Shaft Socket 37 Splines, 51440 This 37-spline socket is specifically engineered to hold the input shaft of the rear axle final drive securely in place. It is an essential tool for drivetrain maintenance, allowing for the safe removal and installation of the flange nut on various BMW models. Specifications: 37 Splines, approximately 31mm diameter. Drive: 1/2" Square Drive. Compatibility: Suitable for BMW Rear-Wheel Drive (RWD) and Four-Wheel Drive (4WD) series. OEM Equivalent: 33 5 090. Made in China Code: 533085 International shipment available. Please ask for price.
