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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > xDrive All-Wheel Drive Discussions > Axle issues
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      01-31-2021, 03:40 AM   #1
428xivibez
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Axle issues

Hi all,

2015 428i xdrive

Iíve been dropped on air ride 3p air suspension for 3 years with no issues. I recently went from a 19Ē staggered set up to an 18Ē set up last week and have blown through 2 axles since. Each time on the passenger side. Iím now hearing that x drive canít handle a severe drop but again Iíve been low for years with no issue. Even now Iím not running an extremely low ride height. Anyone have any ideas what could be causing this repetitive axle issue.

Again the axle is pulling out completely. Iíll include a video for reference.
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      02-01-2021, 08:15 PM   #2
Toonez87ls
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I also have blown 2 front axles i learned that you have to get an alignment right away also the angle of your lowest height puts a ton of stress on the 3 ball joints and often snap out of place another thing is your damper set up the stiffer the less play
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      02-02-2021, 05:10 AM   #3
428xivibez
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Originally Posted by Toonez87ls View Post
I also have blown 2 front axles i learned that you have to get an alignment right away also the angle of your lowest height puts a ton of stress on the 3 ball joints and often snap out of place another thing is your damper set up the stiffer the less play
After you got your alignment did that solve your axle issues? I think youíre right about the dampening too. I recently changed the setting to a softer setting and that may be contributing as well. My last alignment was done when I was on 19Ē wheel set up. After switching to the 18Ē I popped 2 axles and now Iím realizing that may be due to the 18ís being causing more stress up front since theyíre lower.

Iíll replace the axle, get an alignment and keep this post updated. Thanks for your input!
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      02-07-2021, 08:41 PM   #4
Toonez87ls
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Quote:
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Quote:
Originally Posted by Toonez87ls View Post
I also have blown 2 front axles i learned that you have to get an alignment right away also the angle of your lowest height puts a ton of stress on the 3 ball joints and often snap out of place another thing is your damper set up the stiffer the less play
After you got your alignment did that solve your axle issues? I think you’re right about the dampening too. I recently changed the setting to a softer setting and that may be contributing as well. My last alignment was done when I was on 19” wheel set up. After switching to the 18” I popped 2 axles and now I’m realizing that may be due to the 18’s being causing more stress up front since they’re lower.

I’ll replace the axle, get an alignment and keep this post updated. Thanks for your input!
Quote:
Originally Posted by 428xivibez View Post
Quote:
Originally Posted by Toonez87ls View Post
I also have blown 2 front axles i learned that you have to get an alignment right away also the angle of your lowest height puts a ton of stress on the 3 ball joints and often snap out of place another thing is your damper set up the stiffer the less play
After you got your alignment did that solve your axle issues? I think you’re right about the dampening too. I recently changed the setting to a softer setting and that may be contributing as well. My last alignment was done when I was on 19” wheel set up. After switching to the 18” I popped 2 axles and now I’m realizing that may be due to the 18’s being causing more stress up front since they’re lower.

I’ll replace the axle, get an alignment and keep this post updated. Thanks for your input!
im running 18s with chunky tires and alignment helped alot i also raised the car a bit just small tweaks
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      02-07-2021, 09:04 PM   #5
johnung
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Quote:
Originally Posted by 428xivibez View Post
Quote:
Originally Posted by Toonez87ls View Post
I also have blown 2 front axles i learned that you have to get an alignment right away also the angle of your lowest height puts a ton of stress on the 3 ball joints and often snap out of place another thing is your damper set up the stiffer the less play
After you got your alignment did that solve your axle issues? I think you’re right about the dampening too. I recently changed the setting to a softer setting and that may be contributing as well. My last alignment was done when I was on 19” wheel set up. After switching to the 18” I popped 2 axles and now I’m realizing that may be due to the 18’s being causing more stress up front since they’re lower.

I’ll replace the axle, get an alignment and keep this post updated. Thanks for your input!
Why do you think that 18" wheels are lower than 19" wheels? Wheel size is meaningless to ride height. It's the tire diameter that determines height.

To find out if there was a change, go to the TireRack website and look up the measured diameter of your specific 18" tire and your 19" tire. They should be around 26.0". If there is any difference, then divide that difference by 2 to determine how much the center-point of your wheel may have changed in height from the ground. Doubtful if it changed much at all unless one of your tires had an out of the ordinary sidewall height.
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      02-14-2021, 07:18 PM   #6
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Just curious to know how would you know if you have blown your axels? What changes will I notice on the car?
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      03-03-2021, 07:02 PM   #7
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18" or 19" don't mean anything unless you put some tires with serious sidewalls, but I'd expect the car to start tossing a crap-ton of errors since the wheel speed doesn't match the transmission speed.

I'd say it's because you didn't do the alignment. You basically just killed the CV joints.
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