I have only heard of them through this site. I would just stick with REAL OEM filters, Hengst, Mann and Knecht. I tend to avoid products that have names that are play on words as "OE". If it was real OE it would be one of the one's I mentioned.

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1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member