Thread: All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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      01-11-2013, 02:10 PM   #6830
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Drives: E90 335i 6AT
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Quote:
Originally Posted by techwhiz View Post
I have Cobb with ST1 Sport and the pump still make noise when I unlock the doors.
I wonder if it only primes if the line pressure drops...
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