I am still completely amazed at the things dealerships tell you....
#25
AudiWorld Super User
Thread Starter
UPDATE: I spoke with Champion and they were given the ok by AOA to continue use of the...
Mobil 1 filter M1-205 that has been used on B5 and B6 1.8T engine since the beginning. AOA has ok'd this filter for use in place of the larger 2004.5 filter. This, too me, states that the new filter IS backwards compatible and is safe for use in the other audi a4 1.8T applications. Cheers! Mike