ENGINE TIMING TOOL FOR BMW N43 For checking and adjusting the engine timing. Suitable for following BMW models: 1 Series E81 / E82 / E87 / E88, 2006-2012 3 Series E90 / E91 / E92 / E93, 2006-2012 5 Series E60 / E61, 2007-2010 Fits on engines: N43 (B16A/AA), N43 (B20A), N43 (B20AA) N43 (B20AY), N43 (B20KO), N43 (B20UO) Includes important tools: chain tensioner tool, camshaft locking tool, adjusting tool for vanos, balance shaft locking tool, crankshaft locking pin, chain tensioner locking pin.