Air cleaner and upper intake tubes removed
robertplattbell > albums > BMW X5 intake leak
Album Info:
The E3 and E4 codes (oxygen sensor out of range) can be caused by an air leak in the intake. The upper air intake tubes does almost a complete loop-de-loop and what is the big dingus on one tube for? Cleaned it all. Note blue detrius - sign of former radiator fiasco? (BMW coolant is blue) Need to do more cleaning....
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