宝马N55凸轮轴电磁阀 11377603979 VANOS调节器B38/B48引擎

Camshaft solenoid (VANOS regulator) designed for BMW N55, B38 and B48 engines; perfectly fits 2011-2016 BMW 135i (E82/E88), 228i (F22), X6 xDrive35i (E71) and other models from 2.0L to 3.0L. Core function: precisely control VANOS variable valve timing to optimize intake/exhaust timing, increasing power, fuel economy and reducing emissions. OEM number 11377603979; cross-check with OEM parts in stock to ensure compatibility. Replacement difficulty: medium; use special tools to remove old solenoid and clean oil residue from installation bore; after installation, run VANOS adaptation reset with diagnostic tool. Note: this part operates under high temperature and pressure; check seal every 80,000 km; bulk purchases should prioritize batches with original packaging to reduce after-sales risk.