BMW N42 N46 Oil Pump with Balance Shaft Module (112700083) — E46 E60 E90 318i 320i 520i

OEM oil pump integrated with balance shaft module, casting 112500083, for BMW N42/N46 4-cylinder gasoline engines. Complete assembly with 4 counterweights (2+2), helical drive gears, and aluminum housing. Fits E46 318i/320i, E60 520i, E90 318i/320i, E87 120i, Z4 E85 2.0. Direct replacement for worn oil pumps causing low oil pressure, or failed balance shaft bearings causing engine vibration and timing chain guide wear.

原厂机油泵集成平衡轴模块，铸件号112500083，适配宝马N42/N46直列四缸汽油发动机。完整总成含4块平衡重（2+2）、斜齿轮驱动、铝制壳体。适配E46 318i/320i、E60 520i、E90 318i/320i、E87 120i、Z4 E85 2.0。直接替换磨损机油泵导致的机油压力低，或平衡轴轴承损坏导致的发动机抖动及链条导轨磨损。

Reference: 315 · Ships from Kunshan, Jiangsu, China · Quotation within 24 hours.