Quote:
Originally Posted by chivas
Depends on what. Amazon had a supplier selling MANN filters at a steel ($6 with free shipping!!!). Came in and inspected it and it's good........
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I wouldn't use an Amazon sourced MANN filter.
A few years back China flooded the market with knock-off MANN filters, it was so bad, they actually got into the BMW dealer parts network in the Middle East!
How did you verified the filter media density, electron microscope?
Video.....
This is why you should use Genuine BMW parts ***Video*** - E46Fanatics
Why "roll the dice" with your engine, Genuine BMW filters are $10 more at the dealer.