How do. Managed to convince someone selling his 89-90 E34 to swap seats with my 89 34, both us versions. Both have power front seats, but his have memory on the drivers side, rear seat headrests, and power lumbar support both front seats (sweet!). The connectors though on the drivers side are different from mine's. The old driver's have a one-piece thingy while his seem to be in three sections. Will I manage to make the memory switch work in mine's? Granted I get his connectors, how do I go about wiring them through my old harness? Is this something for the electro-mechanically challenged to attempt? Help me. Help me.