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BMW 3-Series (E90 E92) Forum
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control arm torque specs
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03-23-2016, 02:00 PM | #3 |
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Yup, both are 74 ft-lbs.
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs) '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat) |
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03-23-2016, 02:24 PM | #5 |
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03-23-2016, 02:29 PM | #6 |
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One's a tension arm and ones a control arm, neither are stated clearly on the list. It was very kind of you though, to reply and bash me for not knowing this and wasting your time instead of just stating the torque spec!
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03-23-2016, 02:42 PM | #7 | |
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This is literrally the equivelant of asking a question like which weighs more: a pound of bricks or a pound of feathers. Unless of course what you're actually trying to ask is "which part is the subframe?" If that's the case you should probably give up on trying to turn your own wrenches. |
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03-23-2016, 03:25 PM | #8 | |
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Quote:
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04-18-2019, 07:11 PM | #10 |
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Torque specs -- checking the manual
The OP had torque specs that were the same for both the tension arm and the lower control arm. The Bentley manual actually shows two sets of torque specs for the control arm. The lower range, for the M14 8.8 bolt is (59/80) for steering knuckle and (50/68+90deg) for the subframe.
I thought the bolts I was using were 8.8, but when I brought the car in to be checked by my mechanic (after I did the swap myself) he said the bolts needed more torque. I'm assuming that the right torque to use, then, is the higher range as given by the OP. Thought I'd document this to save others from making the mistake I did. Now that everything is tightened up, it rides much better. |
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10-23-2020, 06:56 AM | #11 |
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i was reading this Bentley_BMW_3_Series_2006-2010.pdf
this is what i was able to find
Brake pad carrier to steering knuckle 110 Nm (81 ft-lb) Control arm to subframe: • M12 8.8 (replace with new) 68 Nm (50 ft-lb) + additional 90° • M12 10.9 (replace with new) 100 Nm (74 ft-lb) + additional 90° Reinforcement plate to front subframe 56 Nm (41 ft-lb) (replace fasteners) + additional 90° Road wheel to hub 120 Nm (89 ft-lb) Stabilizer bar link to strut: • M1 0 (replace with new) 58 Nm (43 ft-lb) Strut to steering knuckle pinch bolt: • M10 (replace with new) 45 Nm (34 ft-lb) • M12 (replace with new) 81 Nm (60 ft-lb) Tension strut to subframe: • M12 8.8 (replace with new) 68 Nm (50 ft-lb) + additional 90° • M12 10.9 (replace with new) 100 Nm (74 ft-lb) + additional 90° Tie rod to steering knuckle 80 Nm (59 ft-lb |
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