General description Timing Tool Set for BMW N51, N52, N53, N54, and N55 engines is designed for precise camshaft alignment and timing adjustments. This comprehensive tool kit is essential for locking the camshaft in the TDC position, ensuring accurate timing during installation and removal of camshafts and variable camshaft timing units. Technical specifications Engine compatibility: N51, N52, N53, N54, N55 Models: 128i, 130i, 135i, E81, E82, E87, E90, E91, E92, E93, E60, E61, E63, E64, E65, E66, E70, E83, E85, E86 Engine sizes: 2.5L, 2.8L, 3.0L, 3.5i Condition: 100% brand new Compatibility and accessories Camshaft Alignment Jig (OEM 114280) Transmitter Wheel Locking Tool (OEM 114290) TDC Locking Pin (OEM 110300) Setting Gauge (OEM 118520) Usage This tool set is used for: Locking camshaft in TDC position Checking and adjusting camshaft timing Installing and removing camshaft and variable camshaft timing unit Other information