Working on a 2008 BMW 550i. We replaced the valve cover gaskets and resealed the timing covers, replaced the eccentric shaft sensors, replaced the camshaft solenoid adjusters, resealed the alternator bracket, replaced the engine oil level sensor, replaced the vacuum pump, installed a new lower splash shield, flushed the power steering fluid, bled and flushed the brake fluid system, flushed the coolant system, replaced the cabin air filter, replaced the spark plugs and brought the entire vehicle's computers up to current programming.