W208 Common Problems Fixed w/Part Numbers




(Fixed Broken Rubber Antenna Stem)
Electric Motor [210-820-13-42] $102.50
(Fixed passenger side view mirror. Side view mirror automatically adjusts the view downwards while driving in reverse but would not return to original drive position.)
Seat control unit [208-820-06-26] $231.24
(Fixed passenger seat. Seat moves forward while pressing back button -> and moves forward while pressing <- forward button. Seat will move backwards when using any of the 1-3 programmed numbers. All other seat buttons work. After I ordered the part the seat started to move backwards so I checked the other functions and found the problem moved to the seat not reclining backwards. After replacing the control unit everything works fine.)
I ordered from http://www.oempartsdirect.com/








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(Fixed passenger seat. Seat moves forward while pressing back button -> and moves forward while pressing <- forward button. Seat will move backwards when using any of the 1-3 programmed numbers. All other seat buttons work. After I ordered the part the seat started to move backwards so I checked the other functions and found the problem moved to the seat not reclining backwards. After replacing the control unit everything works fine.)
I ordered from http://www.oempartsdirect.com/








(Fixed Broken Rubber Antenna Stem)
Electric Motor [210-820-13-42] $102.50
(Fixed passenger side view mirror. Side view mirror automatically adjusts the view downwards while driving in reverse but would not return to original drive position.)
Seat control unit [208-820-06-26] $231.24
(Fixed passenger seat. Seat moves forward while pressing back button -> and moves forward while pressing <- forward button. Seat will move backwards when using any of the 1-3 programmed numbers. All other seat buttons work. After I ordered the part the seat started to move backwards so I checked the other functions and found the problem moved to the seat not reclining backwards. After replacing the control unit everything works fine.)
Steering Wheel Buttons [21082125517D53] $202.40
https://www.mbzwholesaleparts.com
I've been dealing with numerious recyclers, from some fast talkers in Chicago who wanted to sell me the whole rail assembly for $580, which is what I can get a new module from MBZ for, to some California guys who ended up having no record of the $200 part they were supposedly sending me.
KO Performance says they have a new one in stock for $440, but there are some nasty reviews of these guys on some other forums, including BMW, though they seem to be from 2008. Anyone had any more recent experiences?
I went as far as replacing the four V23078-C1002-A303 Siemens relays in the assembly, which I got from a guy in So Cal who repairs BMW window controllers, but no luck. I can still hear what sound like the relays actuating in the assembly, but still no up/down control in the seat back, and more importantly, no forward/back. It was a ***** to get the cushion off, because I can't get at the front rail bolts until I'm able to move the seat back, which would have allowed me to remove the entire seat first.
I know for certain the up/down control for the rear of the front passenger seat, is not a motor issue, because I can swap plugs with the front of seat motor, and make the rear motor work using the front motor control. The front/back motor has a fifth pin though, so I can't swap with anything, unless I want to get really creative and jump from the driver's side control box output. Given the problem for the rear of the seat cushion isn't a motor issue, I strongly suspect neither is the front/back problem.
So, again, anyone got any good sources for a used part, or any more current feedback on KO Performance and their supposed new part?




(Fixed Broken Rubber Antenna Stem)
Electric Motor [210-820-13-42] $102.50
(Fixed passenger side view mirror. Side view mirror automatically adjusts the view downwards while driving in reverse but would not return to original drive position.)
Seat control unit [208-820-06-26] $231.24
(Fixed passenger seat. Seat moves forward while pressing back button -> and moves forward while pressing <- forward button. Seat will move backwards when using any of the 1-3 programmed numbers. All other seat buttons work. After I ordered the part the seat started to move backwards so I checked the other functions and found the problem moved to the seat not reclining backwards. After replacing the control unit everything works fine.)
Steering Wheel Buttons [21082125517D53] $202.40
Brake Booster Line Intake Manifold to Brake Booster [2024301729] $45.50
(Fixed engine stall, sounds of air blasting out the backside of engine)
https://www.mbzwholesaleparts.com




