Rustproof Aluminum Alloy: The OEM starter motor is made of industrial-grade aluminum alloy with precise manufacturing processes, ensuring long-lasting use with fewer failures or damages. It resists oil damage, improving the impact and wear resistance Powerful Performance: The starter replacement features the high-torque armature, high-conductivity carbon brush, and high-temp coil for durability. When energized, it works with the solenoid to deliver strong power, ensuring the engine starts quickly OEM Starter Specifications: Protection Rating: IP54; Voltage: DC 12V; Rated Power: 1200W; Max Current: 229A; Rotation Direction: CW (clockwise); Gear Teeth Count: 9T OE Specifications: Starter Motor OE Number: PN17922. Replaces OEM Numbers: Denso: 428000-1760, DSN1375; BMW: 12412344243, 12412354701; Wai/Transpo: 17922N; Lucas: LRS02298, LRS2298; J&N: 410-24145, 410-52457; Bosch: 0-001-107-423, 0-001-107-424 Wide Compatibility: Our starter is compatible with BMW 1 Series M 3.0L L6 2011 (see page description for more details). You can easily select the right starter for your vehicle model