Rear driveshaft hub nut torque

Turbz · 06-28-2023, 08:53 AM

Hi would like to get some input around how tight I should torque the m27 nut too technical data shows 420nm for the 335i and 300nm for an M3 now my dilemma is I've fitted M3 hubs and knuckles still using the 335i shafts so sure to go with 420nm or 300nm. Any input would be appreciated thanks

jacbo · 06-28-2023, 10:04 AM

Interesting dilemma. I would probably torque to 420 as you are torquing the nut onto the shaft. I assume m3 driveshaft might be made from a different material hence the difference? But that’s an educated guess

Turbz · 06-28-2023, 10:32 AM

That's a good point actually with the shafts as the rest is the same.

06-28-2023, 08:53 AM	#1
Turbz Enlisted Member 0 Rep 27 Posts Drives: E93 335i M Sport Join Date: Jun 2018 Location: Uk iTrader: (0)	Rear driveshaft hub nut torque Hi would like to get some input around how tight I should torque the m27 nut too technical data shows 420nm for the 335i and 300nm for an M3 now my dilemma is I've fitted M3 hubs and knuckles still using the 335i shafts so sure to go with 420nm or 300nm. Any input would be appreciated thanks
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06-28-2023, 10:04 AM	#2
jacbo Second Lieutenant 79 Rep 270 Posts Drives: E90 330d LCI Join Date: Sep 2020 Location: Cheshire iTrader: (0)	Interesting dilemma. I would probably torque to 420 as you are torquing the nut onto the shaft. I assume m3 driveshaft might be made from a different material hence the difference? But that’s an educated guess
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06-28-2023, 10:32 AM	#3
Turbz Enlisted Member 0 Rep 27 Posts Drives: E93 335i M Sport Join Date: Jun 2018 Location: Uk iTrader: (0)	That's a good point actually with the shafts as the rest is the same.
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