So, this stalling problem persists after so many fixes and replacements. I have a nearly new intake, new transmission, new (ebay) MAF as well..

My X5 (2001, 4.4) when slowed down (at a stop sign for example) would stall and even die sometimes (not all the time but frequently). She has no other performance problems. No error codes. This is a very annoying! problem that I could not find the reason for.

What do you guys think? Would this have something to do with fuel supply system?

Ozzie