126 posts · Joined 2016. #3 · Mar 27, 2018. First verify if the car ever had comfort access in the first place. If so, failures are usually caused by water getting into the driver side door handle and frying the module. Usually you'd have to replace the door handle and the Passive Go module. Search for "passive go comfort access" and you'll "Heat Soak" is the first suspect to cause what you describe. That is a situation where engine heat (transfer of heat from hot block to fuel rail after hot shutdown) boils or vaporizes fuel in the fuel rail, forming vapor pockets in the rail which prevent proper, uniform, injector function upon restart attempted ~ 3 to 20 minutes after hot shutdown. NOTE 2: On Windows & Linux, the "F3" hotkey will jump to the next find; "shift F3" will reverse the find; "enter" will open the current link. Searching for "heater core" came up red; but searching for "heater": - Heater Valve replace (Hot air only) DIY. - Heater control valve replacement. - Heater hot water valve repair. A. Andre2004 Discussion starter. 149 posts · Joined 2014. #5 · Oct 10, 2015. to test I just enabled the automatic wipers that use the rain sensor (this makes the mirrors heat), I'm not sure if all have heaters built in though. Also I think they may kick in when you enable the rear window heater/defroster. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Cosmetic and Lighting Modifications (exterior/interior) > lumbar and bolsters not working Google Search Search Forums My 07 328xi is having some issues. My engine is overheating and I have no heat inside the car. I***8217;d let the car run for 10 minutes and no heat inside. However if I drive for 30 seconds my engine will overheat and I***8217;ll get a light on my dash. I can probably make it 100 feet before it happens again. 1588 posts · Joined 2008. #6 · Jan 13, 2011. If you haven't replaced the thermostat, w-pump and exp tank, now would be a good time to do that as well. It just might end up solving your problem. 08' E90 335i, Sport, Premium, Logic 7, 6-spd. 01' 330i TiAG, ZSP, ZPP, ZCW, 5spd - R.I.P 04/12- gone but not forgotten. Too complicated. BMW needs to simplify the basics. ***Original post below Last night wife went into house and had keys in her purse while I waited in car with engine running. Today, key fob won't lock/unlock doors, touch pad not working on handle, start/stop button does not work. Car only starts when key fob is in slot. BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Horn not working?! Google Search Search Forums PDC - Sensors Space Gray / 66 21 6 988 965 [4] PDC - ECU for Front & Rear / 66 20 9 252 638 [1] PDC - Front Retrofit Kit / 66 20 0 418 637 [1] Front Panel Switch Kit / 61 31 9 120 026 [1] Optional - 18mm step drill bit (If drilling your existing bumper) After the install the system will need to be coded. Functional Summary. 2f9HAn.