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Originally Posted by OtisX7
Only hitch so far — everything seems to be working but the little orange check engine light on my dash is on. Previously I was able to connect an OBDII reader and seemingly delete the codes and reset the check engine light. For some reason this one won’t let me delete or reset it. It’s P12A8, P12A9, and P112F ($07e8) and when I read the codes it says “Manufacturer control”.
I understand the check engine light can be normal and may even reset itself after a couple hundred miles?
Is there a way I can delete it? Weird that it’s not letting me....
Thanks all.
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I would not try and reset the light and make it go away. You should take the Racechip out and take it to BMW as there may be something else going on such as a bad sensor. I had a similar issue in my F90 M5 and they had to replace a boost sensor and something else and then everything was back to normal and check engine light eventually went away. My Racechip GTS has been working great so far on my X7 and I keep it set to Map 7 all the time. Definitely can tell a difference but it is not as night and day as it was on the M5. It is only adding around 50HP given the M50i X7s are already tuned pretty aggressive and being such a heavy vehicle 50HP is not a huge difference. Definitely faster in the midrange acceleration and a good bang for the buck upgrade that I am glad that I did.
OtisX7, I know you have also said that it is taking you a long time to install or uninstall. I have found if you remove the black sections of the air intake it gives you some more room to get your hands down to the connections. See the two pics circled in red. I can now take it in and out in about 5-10 minutes or less.