11-13-2023, 05:50 PM | #1 |
Second Lieutenant
59
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M550 Wheel Bearing,,,, lil help
Looks like I will be replacing the front wheel bearing on my 2018 M550. I downloaded the instructions from ISTA but am having a bit difficulty understanding the Torque spec,, attaching the screen shot below,, not sure what the sequence is recommended,, tighten plus angle than untighten ?? any help would be appreciated..
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11-14-2023, 07:37 AM | #2 |
First Lieutenant
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No expert here but, that appears a spec to reuse the T60 bolts. I use new bolts and torque to 140nm and then 90 degrees.
Whenever there is an angle spec, they are stretch bolts. |
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11-15-2023, 09:09 PM | #3 |
Retired Curmudgeon
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Torque to 140nm, unscrew just a little, no more than 45 degrees, tighten to 120nm, then tighten 90 degrees more.
BTW, how many miles on the car?
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'19 X3 M40 Carbon Black/Oyster, '23 Jeep Grand Cherokee L Summit, Past BMWs: '18 M550i, '18 330 GT, '16 X5 40e, '11 E90M3, '06 X5 4.4, '03 330i ZHP, '02 M3, '97 Z3 2.8, '95 M3 (2x), '94 530i (manual), '92 525i (manual), '88 M3, '87 325iS |
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11-21-2023, 11:42 AM | #5 | |
Private
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Quote:
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F30 : Bowers Wilkins, ID6 Touch, RSE , 3AG, 6WB, 508, 322
G05 : 5AU, 2VW, 2VH, 5DN, 6F1, 610, 7M9, 3AK |
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