Why is your 2001 BMW X5 burning oil?

Advantages of a hemispherical combustion chamber? What happens when a mass air flow sensor goes bad? How do you fix high fuel consumption on a petrol fuel injection with injectors on a Peugeot 306? How fast does a Renault go? Your Peugeot 806 heater onle gives cold air ou? Have got petrol in diesel citroen Picasso what do you need to do? What size engine does the 2005 BMW Z4 have? How do you set the timing marks on Audi a3 1.8turbo 1999? Where is the fuel filter on a 1986 Volvo 740? Who invented the ferrai? Where is the fuel pump on a 1987 Saab 9000? Did BMW use slave labor during World War 2? What does a purolator oil filter PL20049 fit? How many horsepower does the engine in the 2009 Audi A4 have? Where is the flasher unit for a 2005 Golf 1? How do you fix a BMW 740il 2001 e38 obd p1347 fault? How too change Brakes on opel corsa 1.3? How do you open a VW Cabriolet convertible? What if you bought a car and thought it had a clean title then found out it had a salvaged title? What is the engine size for 1.1 Renault clio?