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Quick question since you seem to know your mechanic.
I purchased 330i last November and it gave me p0171 and p0174, which relates to vacuum leak. So, i ordered the manifold intake boot and replaced it. While replacing it, since it wasn't electrical system, I didn't disconnect the battery. I noticed that even though i started replacing the boot with all the windows up, Somehow in the mid-way through the replacing it, all the windows were down and moon-roof was quarter opened.
No electrical issue was noted. I replaced it the boot back along with cleaning DISA valve and MAF sensor (with proper cleaners). But now, i am getting two additional codes -p0102 and 02227. I have no idea what is going on. After cleaning the MAF, it seem to easy a bit but it is still rough idling. I had to make 4 hour trip down to NY and on the way back my radio unit/CD player stopped working.
Oh another thing, my key wouldn't lock and unlock. I have to use my keyhole to open the doors.
About three months ago, i left the light on and i had to start the car by jumping it...
I went to Gault BMW auto and they charged me 163 dollars just to tell me i have two codes in the beginning and was going to charge me 150 dollars to replace the torn boot.
I replaced the intake boot myself (proud) but i have no idea what is going on. Please help if you can~