BMW Adapter Lead for Fuel Tank Breather Valve | 2012-2015 993-107-203-03--Mahle it includes a removable key

it includes a removable key chain made from 100% polyester with a durable 100% zinc carabiner

Porsche Requires machine work - $385 addl

although cutting and welding may be required

Porsche Fuel level sending unit for 996 models (2001-2005)

BMW Adapter Lead for Fuel Tank Breather Valve | 2012-2015 993-107-203-03--Mahle it includes a removable keyAdapter Lead for Fuel Tank Breather Valve for 328i (2012 2015), 528i (2012 2015), 528i xDrive (2012 2015), X3 (2013 2015), 328i xDrive (2013 2015), 320i (2013 2015), 428i (2014 2015), 428i xDrive (2014 2015), 328i GT xDrive (2014 2015), 228i (2014 2015), 428i Gran Coupe (2015), 428i xDrive Gran Coupe (2015), 228i xDrive (2015), X4 (2015)