11's are definitely possible (its only 0.006 less), but I do think it will be harder than everyone thinks!
Even looking on Dragtimes cars running street tyres are in the 11.9XX bracket, so everything will need to be perfect to do it
2011 BMW M3
- Mineral White - VF620 Supercharger - Gintani Sport Valved Exhaust - Harrop BBK - Arykym Front lip and Diffuser - KW Sleeve over kit - Forgestar CF5V Wheels
2009 BMW 135i
- Space Grey - 11.841 @ 117.81mph - SOLD