I bought a Corbin seat and wired with the BMW plugs and it doesn't work either, so something with the bike and not the seats seems to be the direction things are pointing. I checked the voltage in the plug for the front and it shows 8.3 volts with the heat turned off in the menu and 10.3 volts with the heat turned on, regardless of setting. Dunno, but I typed /heated seat in the bestlinks and this came up which might help - How to fix broken wires in heated seats ( 1 ) & how to do a front ( 1 ) & rear ( 1 ) heated seat retrofit & how to retrofit active comfort seats into the E39 ( 1 ) or E38 ( 1 ) & splicing wiring for modding a 99+ sports seat into a 95-98 BMW ( 1 ) BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Buying an E90 without heated seats, any way to retrofit them? Google Search Fredo showed you where BMW located the seat heating controls and as he noted, BMW heated seats have three temperature settings, not two. Second, your seats have been reupholstered--that is not OE material and the panel construction does not match either the E46 sport seat or standard seat. (The stuff-it-yourself "adjustable" lumbar support Swapped interior, now heated seats not working?? Bimmerpost ☰ Model Selection E90 / E91 / E92 / E93Model Year: 2006 - 2011. 4. G22Model Year: 2020 + Previous For the E92's the seat modules are the same between the driver and passenger seat (not true for E90 or E91) 1) Disconnect Battery. 2) Unbolt seats so you can access the module beneath. 3) Swap modules around between passenger and driver. If problem moves with module, then get a new one. If problem stays then the issue is with the heating E90 power seat stopped working. Bolts covered. 2007 335i. Electronic seat movement functions stopped working. Can't go forward/backward and can't recline. The inflatable bolsters, lumbar, etc. work. The seat is in a rear position so i can't access the rear bolts to remove the seat. Right before, these same functions would only work if no person The electronic seat heating control system monitors the temperature sensor and heating mats for faults. Detected faults are stored in the fault code memory of the centre console switch centre. The following faults can be recognized: Short-circuit or line break. Short-circuit or line break of temperature sensors. .

bmw e90 heated seats not working