for 1.6, 1.8 and 2.0L 4-cylinder petrol engines in BMW series 1 (E81 / E82 / E87 / E88), 3 (E46 / E90 / E91 / E92 / E93), 5 (E60 / E61), X1 (E84), X3 (E83) and Z4 (E85 / E86) for locking the balancer shafts (old and new version) for locking the chain tensioner for counter holding the crankshaft for timing chain replacement or engine repair
