Mann and Hengst are both fine, I wouldn't worry about it. It's the bootleg Autozone filters I'd worry about— whenever I see those in a car I get a little worried.

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2003 X5 4.6 | 2000 540i Touring

Formerly owned:
2004 Range Rover | 2000 M5 | 2000 540i/6
1995 750il | 2003 Mercedes S500 | 2003 540i/6