Removal of the cam or balance shafts, Biasing the chain tensioner or change the timing chains and Checking and adjustment of camshaft timing or the Vanos
Timing on:BMW 1 Series E81,E82,E87 & E88 from 2006 to 2013 with the following engine
Codes:N43 B16A/AA,BMW 3 Series E90,E91,E92&E93;
From 2006 to 2013 with the following engine codes: N43 B20A/AA/AY, BMW 5 Series E60&E61;
From 2007 to 2010 with the following engine codes:N43 B20k0/u0.