CSL front bumper cover

[snaponbob]

I have an 04 M3. In looking at CSL front bumper cover, there are no provisions for "driving lamps" or brake air ducts. There IS a single round hole on the left side directly below the headlights.

1) Is this a direct fit to a non-CSL M3?
2) What is the hole for? (I am assuming air flow for the outside air temp sensor)

[mrgizmo04]

On #1 I'm not sure, maybe email folks selling the bumper (or better yet, ask on nam3forum.com). There is the whole pre facelift aluminum carrier vs post facelift kevlar carrier switch, I dont know if different design for CSL rep can fit both...

On #2, yes it's for the intake snorkel. Non CSL gets it's air via a slightly different snorkel from the brake duct, CSL brings it out all the way to the front of the bumper.

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[Slippery]

Pretty sure you need to change to the aluminum bumper reinforcement.