P0300 random/multiple cylinder misfire detected
P1348 Misfire During Start Cylinder 4
P1344 Misfire During Start Cylinder 2
P1352 Misfire During Start Cylinder 6
P1347 Misfire Cylinder 3 With Fuel Cut-off
P0305 cylinder 5 misfire
P1083 Fuel Control Mixture Lean (Bank 1 Sensor 1)
P1085 Fuel Control Mixture Lean (Bank 2 Sensor 1)
P0174 system too lean bank 2
P0171 system too lean bank 1

If you have these errors, pull your Disa valve and check it. Mine went after 115k.
Just do a youtube search for disa valve removal, simple 2 screws.

__________________
Kevin
2001 X5 3.0i
Phoenix, AZ