1 Series E81 / E82 / E87 / E88, 2006-2012. 3 Series E90 / E91 / E92 / E93, 2006-2012. 5 Series E60 / E61, 2007-2010. Timing Chain Kit. Timing Belt Kit. Variable Valve Timing. Durable Material: This timing tool set made of high quality structural steel, not easy to bent or broke, can provide long service life.