This high-quality engine oil pump with official OE part number 11417823009 is a core lubrication component professionally engineered for BMW N57N 3.0L diesel engines. It perfectly matches multiple BMW diesel-powered models equipped with N57D30 series powertrains, including the 3 Series 330d/335d, 5 Series 535d, 7 Series 740Ld xDrive, X5 and X6 SUV chassis variants. As a factory-standard replacement oil pump, it undertakes the critical task of pressurizing and circulating engine oil throughout the entire lubrication system, serving as the fundamental guarantee for stable engine operation, friction reduction and component protection. Tailored strictly to the structural parameters and working logic of the N57N diesel engine, this oil pump completely resolves common lubrication system failures of aging diesel engines and stands as a premium aftermarket spare part for routine maintenance, overhaul and fault repair of BMW diesel vehicles.
The BMW N57N turbocharged diesel engine features high compression ratio, high torque output and strict lubrication requirements, making a stable oil supply system essential for long-term reliable operation. Unlike ordinary universal oil pumps, the 11417823009 oil pump adheres to original OE design specifications, adopting precision high-strength gear transmission and optimized internal flow channel structure. It delivers stable and continuous oil pressure output under various working conditions, including idle operation, urban frequent start-stop, high-speed cruising and full-load acceleration. The pump efficiently transports engine oil to key moving components such as crankshaft, camshaft, piston assembly, turbocharger and bearing sets, forming a uniform and durable lubricating oil film. This effectively reduces mechanical friction loss, lowers operating temperature of moving parts, and avoids dry friction and component abrasion caused by insufficient oil supply.
The reliable performance of this N57N oil pump greatly enhances overall engine durability and driving stability. During daily operation, insufficient oil pressure or unstable oil circulation caused by aging oil pumps will directly lead to abnormal engine noise, weak power output and even intermittent stalling. This high-quality oil pump maintains consistent oil pressure and flow rate in both low-temperature cold start and high-temperature high-load scenarios. In cold winter conditions, it achieves rapid oil circulation to lubricate engine components instantly, reducing wear during cold startup which causes the most severe engine loss. During high-load driving or long-distance travel, it continuously supplies sufficient lubricating oil to dissipate frictional heat effectively, prevent local overheating and oil deterioration, and maintain the engine in optimal working condition at all times.
Manufactured with strict OE-level craftsmanship, the 11417823009 oil pump features an integral high-strength aluminum alloy shell with excellent pressure resistance, heat resistance and corrosion resistance. The precision-machined internal gear components adopt wear-resistant alloy materials, ensuring meshing accuracy and long-term operational stability without gear slippage or oil pressure attenuation. All mounting holes, positioning grooves and interface dimensions are fully consistent with original factory standards, enabling complete plug-and-play direct installation. No modification, cutting or pipeline adjustment is required during replacement, which greatly simplifies the maintenance process, shortens working hours for repair shops and avoids installation errors that affect engine performance. The upgraded sealing structure effectively prevents engine oil leakage, oil pressure loss and dust ingress, maintaining long-term sealing stability in harsh engine compartment environments.
Every 11417823009 oil pump undergoes a complete set of rigorous factory performance tests before delivery, including oil pressure calibration test, high-load endurance operation test, high and low temperature alternating aging test, and sealing tightness detection. These multi-dimensional quality inspections eliminate defective products and ensure that each pump delivers stable oil pressure, accurate flow control and low-noise smooth operation. The pump features highly responsive pressure regulation performance, which can automatically adjust oil supply volume according to engine speed and load changes, realizing intelligent dynamic lubrication management. It effectively adapts to the complex working characteristics of N57N diesel engines and avoids common problems such as delayed pressure build-up and unstable oil supply of inferior oil pumps.
Oil pump aging and failure are typical high-frequency faults for high-mileage BMW N57N diesel engines. Common failure symptoms include persistent low oil pressure warning, abnormal engine knocking noise, insufficient power output, slow engine response, surface oil leakage, and system fault codes related to lubrication pressure. If the faulty oil pump is not replaced in a timely manner, insufficient lubrication will cause severe wear of crankshaft bearings, camshafts and piston parts, and even lead to turbocharger damage and engine cylinder scuffing in severe cases, resulting in extremely high overhaul costs and directly affecting driving safety.
Compared with low-cost inferior oil pumps on the market that suffer from unstable pressure, rapid wear, easy leakage and short service life, our 11417823009 high-quality oil pump has prominent advantages in material selection, processing precision and overall performance. It perfectly matches the original lubrication parameters of BMW N57N engines, completely solves various lubrication system faults caused by aging oil pumps, and restores the engine’s original power and smoothness. With OE-level quality, high operational stability and cost-effective pricing, it is the ideal replacement part for auto repair workshops, parts wholesalers and individual BMW diesel vehicle owners. Regular replacement with this standard oil pump effectively extends engine service life, reduces subsequent failure rates and maintenance costs, and provides long-term and reliable lubrication protection for BMW N57N diesel engine vehicles.
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