That's interesting BB, I haven't tried it on the D because EGR is not an issue for me, eliminating the need for the CCV mod. It's surprising to me you would have so much blowby that would be visible behind the car.
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2009 335d Barbera Red Metallic; Mods: BPC tuned, Bohl Diesel Performance, Laser Veil, BelTronics Pro 500
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