Sports seats retrofit - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
Retrofit seat full elec. - 5Series.net - Forums
Memory/electric/heated seats retrofit Guide (I need your help) - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
E60 comfort seat retrofit | BMWFanatics
BimmerCode - BMW E60 * Retrofit El. Sport Comfort Heated... | Facebook
Retrofitted: Fully electric leather heated seats with memory - BMW 3-Series (E90 E92) Forum
Retrofit standard to sport seats? - 5Series.net - Forums
FS - Genuine BMW Retro Fit Heated Seat Kit - Brand New - BMW 3-Series (E90 E92) Forum
4-Seat heating retrofit project: rear seat pics
E60 LCI Comfort Heated seat retrofit. | BimmerFest BMW Forum
2008 M5 Sport Seat Retrofit | BMW M5 Forum and M6 Forums
Swapping e60 electric to electric/heated seats - wiring advice | BMW Forums : BimmerForums
Comfort seat retrofit f06 help please - 6Post.com | BMW 6-Series Forum
Sport button retrofit in the E60 using only OEM parts and wiring...includes LED when on, and orange backlighting when headlights are on : r/BMW