·  Installation / removal and timing of variable camshaft timing 
unit / camshafts.
· Checking and adjustment of camshaft timing.
  unit / camshafts.
· Checking and adjustment of camshaft timing.
| 
 BMW MODEL  | 
| E87(1 Series):118i / 120i N46 engine | 
| E46(3 Series):316i / 316Ti / 318i / 318Ti (01-) N42 / N46 engine | 
| E90 / E91:318i / 320i N46 engine | 
| E85:Z4, 2.0L - N46 engine | 
| E83 N46 engine | 
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