I don't. Since BMW retains ownership of its leased fleet, I sincerely doubt if they would skimp on anything to prolong the life of their assets.
2011 M3 Convertible, Alpine White/Black Novillo Leather
2008 550i Sport, Platinum Gray/Natural Brown (retired)
2006 550i Silver Gray/Black (retired)
2002 M3 Convertible Titanium Silver/Black(retired)
1998 328i Convertible Arctic Silver/Gray(retired)