Valve seals and smoking are a common issue since 2003-2014 with ALL V8 BMW ENGINES. 1- How can I know if the BMW V8 I’m buying or I own has a valve seal issue? -First, the car has to be at a high temperature and has been running for at least 30 minutes. Then idle the car for 10 to 15 minutes, push the gas and if they are bad a lot of white smoke will come out of the exhaust. 2. Do bad valve seals damage the engine? Yes, if the car runs out of oil the engine will lock 🔒 because the valve seals is leaking the oil to the exhaust YOU HAVAT TO WATCH THE OIL 4-How can I fix the valve seals issue? We are offering the best pricing on the valve seals job no smoking issue. 💯 I have a lot of people call me after they bought a new BMW V8 and they said the car has a small and can you check it out i go i let the car sit for 30 minutes and i push the gas alot of smoke come out of the exhaust and the just spend 20k on 2013 BMW x5 5.0 most dealer get the car from the actions with this issue and sale it with it too