BMW Fault codes 2D06, 2E32, 30AE, 120i, N43, Investigation 1 of 7

The old girl has got some problems, seeing the 'lie of the land' and trying to work out a way forward.
#BMWfaultcodes
All information and suggestions provided 'as is' use at your own risk.

[@abrahim2644]

you can get another clip ebay 02 sensor connector 6 pin or so on

[@razvanandreiparamon7762]

Hi, I’m running into a 2d06 as well on a n52 325i, did you get to the bottom of the code? I am not sure if a intake boot vacuum leak could be causing it (I’m bringing this up as I think I’m hearing a hissing area from that general area, but idk if it’s real or is just paranoia) or the female connector for the MAF (like you I’ve read online that those could cause headaches as well). Did cleaning the connectors do the trick? Or should i look for those as well?

[@justmakeitwork5005]

I hardwired the maf, which may have been a bit drastic but I couldn't find a new connector. It made no difference in my case, I then smoked the intake again, and turned my attention to the intake boot, which is worn and damaged from previous incorrect fitment. Made sure the hose clamps were good and snug, it's happened once in 500 miles, might get a new boot. Good luck!

[@razvanandreiparamon7762]

@@justmakeitwork5005 okay, thanks for the fast reply, I’ll try cleaning the pins if that doesn’t work I’ll take it to a shop

[@Framus-wm3ye]

what millage was the car on when you had this issue?

[@justmakeitwork5005]

About 70k miles

[@Framus-wm3ye]

@@justmakeitwork5005 It's mine blowing how much effort you put into fixing this car. Have you still got it? Some say the long service intervals are what cause issues with this engine. I'm changing my oil every 6000 miles. Just subscribed!

[@justmakeitwork5005]

@@Framus-wm3ye Thank you, yes still driving it, up to 98k, mine hadn't seen much servicing, cheap for a reason!

[@SauseItUp54]

Did u figure out the 2e32 code ?

[@justmakeitwork5005]

Yes , changed injector

[@SauseItUp54]

@@justmakeitwork5005 I tried an index 12, thought it wasn’t good. Then put my old injector back becuz it was good last time I just upgraded. They both still leaky n fouled out my plug. Possible it could be wiring/ dme ?

[@justmakeitwork5005]

@@SauseItUp54 as I understand it, each injector needs to be coded to the dme for flow rate and response time

[@SauseItUp54]

@@justmakeitwork5005 yea I coded them too but got the fault code also

[@justmakeitwork5005]

@@SauseItUp54 ouch, the fault code is for 'activation'. I would try swopping in a known good injector from another cylinder. That will tell you if it's wiring or dme