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Front Drive Shaft Update

Add me to the drive shaft failure list. Dealer caught it this morning during the 36k service. Caught it before the shaft itself failed - just an early tear in the boot - but they are replacing the whole thing, not just the boot. No lift, stock K02’s in the summer and exact same size snow tires in winter.

Dun… dun… duuuun…

Sorry to hear it, but we kinda knew it was coming right?
 
Dun… dun… duuuun…

Sorry to hear it, but we kinda knew it was coming right?
My guess is a super high % of units will eventually fail, with or without a lift. I have a Nov ‘23 unit with 34k miles. Just “Midwest off-roading” - no rock crawling, no lift, no larger tire size.
 
Would there be any value in exploring alternative materials for the CV boot? Something that would better accept the pinching that seems to be the source of most failures?
You would think that Ineos would be all over that sort of thing. They make all sorts of plastics and rubber from their chemicals.
 
Would there be any value in exploring alternative materials for the CV boot? Something that would better accept the pinching that seems to be the source of most failures?
I think you just stop the pinching. But a rubber impregnated Kevlar composite would be fun.
 
Add me to the drive shaft failure list. Dealer caught it this morning during the 36k service. Caught it before the shaft itself failed - just an early tear in the boot - but they are replacing the whole thing, not just the boot. No lift, stock K02’s in the summer and exact same size snow tires in winter.
Glad there was no damage.
 
Glad there was no damage.
Well to add insult to injury - half way there, about at Lake Geneva, going 65 on cruise control, there was a rattle from the exhaust, the check engine light comes on, and I got a “powertrain error” message and it went into limp mode. Almost zero throttle response and had to crawl off the highway. Turned it off, put it to sleep, and then restarted it. They said they are having to completely reload all the software. I stopped off at my local independent BMW mechanic (it will be several days before my dealer can get a new drive shaft so I have a loaner) - they said this is not a BMW engine issue they encounter with the B58. So - new turn signal stalk (button not clearing the Jan 1 message because it’s broken), new software, new drive shaft, and fix the windshield wash which is no longer working - a magical confluence of nonsense at 36k
 
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