Essentials Gloss Black Kidney Grilles - BMW F20 | F21 M135i LCI | M140i X5 (E70) A standard M3 CSL does

A standard M3 CSL does this on average

Shaping our pipework using CNC Mandrel bent large bore design permits maximum performance by allowing a greater flow of exhaust gas

It will not shift on the bushings while driving like the one piece designs allow

they do not contain fiberglass

You will now have access to the other grille through the hole left by the removed grille

Essentials Gloss Black Kidney Grilles - BMW F20 | F21 M135i LCI | M140i X5 (E70) A standard M3 CSL doesThe AUTOID Gloss Black Double Slat Kidney Grilles are a direct replacement for the stock chrome kidney grilles on the front of the M140i & M135i LCI bumper. We've included the double slat design to highlight the sporty intent of the 1 series hatchback; following on from the design language used in the more recent M Motorsport models. What's in the box 2 x AUTOID Gloss Black (Paint Code 668, ABS Plastic) Double Slat Kidney Grilles (Left & Right Side)