Home >> Audi >> 2008 >> S8 >> Repair and Diagnosis >> Engine Performance >> System >> 5.2L - Generic Scan Tool, Engine Code(S): BSM [Ignition/Glow Plug System - Generic Scan Tool] >> 28 - Ignition/Glow plug System >> Ignition, servicing >> Camshaft Adjustment Valve, Checking >> Camshaft Adjustment Valve, Checking