Just changed my intake boot, what a PITA - Bimmerfest

X3emist · #1 11-22-2012, 07:22 AM

Finally tackled replacing my intake boot. It took 1 hour to get everything out and apart and 2 hours to fit it all back together. Two people come in really handy. The plastic guard beside the brake booster is the worst. It is very very hard to finesse back into place. The air intake housing requires special attentiion when replacing as well.

The smaller flex tube coming out of the side was cracked on the inside of the bend, not on the outside like you would think. Why BMW manufactured this part with the smaller flex tube having to bend 90 degrees is beyond me. It should have been molded at the proper angle to attach to the engine and eliminate the bending and cracking that occurs as a result.

Anyway, this is a DIY project if you either are (I am not) or you have someone who is that is very patient, meticulous and detail oriented.

alpinweiss · #2 11-22-2012, 08:58 AM

I can sympathize. I replaced mine a few months ago on the X3. My DISA valve had gotten noisy, and needed replacement. I decided to replace the intake boot at the same time. I ended up needing to disassemble a lot more than I had planned. All went well, but patience and precision were definitely required.

fivepointnine · #3 11-22-2012, 07:10 PM

Im able to do it start to finish now in about a half hour, I did it like 2 times in one day because I forgot to clean the IACV when I was in there...oops, taking the cabin air filter housing off and replacing it takes me the longest. I "modified" the plastic thing to go on and off easier

noego · #4 11-23-2012, 05:56 AM

Quote:

Originally Posted by fivepointnine

Im able to do it start to finish now in about a half hour, I did it like 2 times in one day because I forgot to clean the IACV when I was in there...oops, taking the cabin air filter housing off and replacing it takes me the longest. I "modified" the plastic thing to go on and off easier

what is the "IACV"?