I use standard paint sealant on my wheels and haven't had an issue. I clean the wheels thoroughly (off the car) then apply Chemical Guys' EZ Creme Glaze and Blackfire Wet Diamond sealant. Very easy to clean wheels afterwards.
2011 BMW E92 335i, 6MT, Le Mans blue - Quaife LSD, JRZ RS Pro, JRZ camber plates, Eibach ERS, full M3 susp, custom toe arms, Powergrid end-links, SS brake lines, brake ducting, Michelin PSS, UUC SSK, ETS FMIC, ER CP, Perf. Exhaust, VAC RSIK, Sparcos; work by VAC Motorsports in Philadelphia