Having problems with your 2005 BMW X5 ?
Bmw blowing smoke with no loss of power
\015 My 2005 BMW 730ld has only recently starting to blow alot of blue smoke from the exhaust with no loss of power from the engine.\012\012Somedays the smoke is bad other days it nomal.\012\012Thanks,\012\012John.\015
Check your anarobic switch
This is a common problem. You need to change the Oil Separator Valve (OSV) which is location on (under) the intake manifold.
Repair Help & Product Troubleshooting for 2005 BMW X5
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