Sorry I don't know anyone that did it. If I do it,I would use gray, not white (unless you have Alpine White paint)
You can be a geinue pig and document a how-to with pictures.
2000 Dinan S1 //M5 (my DD), 06 DINAN E53 4.8iS (wife's DD), 90 Straman Z32TT (my pride & joy ride)
Gone, but not forgotten: 01 E53 3.0i, 01 525i Sport, 03 DINAN 540i MSport and 91 Z32TwinTurbo