Designed for BMW N43 and S55 engines, this oil pressure regulator solenoid (magnet) replaces worn units. OEM references include 11417584990, 11417549846, 11 41 7 584 990, and 11 41 7 549 846. Key benefits Function and compatibility: provides stable oil pressure across RPM and load, direct fit for N43 and S55. Quality and reliability: built to OEM standards with materials; each unit is tested for performance. Easy installation: plugandplay replacement that fits with existing wiring harness; no special tools required. Performance impact: precise pressure regulation improves hydraulic system efficiency and leads to smoother operation and driving feel. What it offers Durable construction designed to meet strict quality controls and OEM specs. Thorough testing before to ensure reliable performance. Use scenarios During routine maintenance or engine rebuild to restore accurate oil pressure control on N43/S55. Replacing a failing solenoid to reduce oil pressure fluctuations under heavy load or idle. As part of a reliability or performance upgrade to support stable oil pressure for turbocharging and hydraulic actuators.