What size semi slick on a 15x8" +36 6uL wheel on an em1?

[Benson]

Does the 15x9 +36 6UL require a spacer to clear at the front on an EG? The knuckle I mean, not full lock etc.

Only need a 3-5mm Spacer. I dont think you would full lock on the circuit, unless your understeering like crazy!