Tell them to send you a copy of the vehicle's invoice or a pic of the window sticker. Something that will confirm how it's equipped.
2015 335i MSport -MPPK -Borla ATAK -Dinan Sport+ - E.R. Charge pipe -LLumar FormulaOne ceramic tint-aFe intake scoop and Pro Dry drop-in filter.
Was - 2013 X1 35i Sport - Dinan tune / 2009 X6 50i Dinan badged