Tightening torques for connections, Nm (BMW 3 Series E46)

Front suspension

Anti-roll bar eye nuts* — 65

Anti-roll bar bracket nuts* — 22

Hub Nut* - 290

Lower ball joint nut* — 65

Lower Arm Bracket Bolts - 59

Fastening the lower arm to the subframe - 90

Front amplifier*:

• 1st stage - 59
• 2nd stage - Turn 90° further
• 3rd stage - Turn 30° further

Nuts for fastening the rack to the body*:

• Flange nuts 18 mm - 24
• Flange nuts 21 mm - 34

Upper strut mounting nut:

Nut M12:

• Piston rod with external hexagon - 64
• Piston rod with internal hexagon - 44

Nut M14 - 64

Bolt for mounting the strut to the steering knuckle* — 81

Fastening the subframe to the beam*:

M10:

• Bolt class 8.8 (see on the bolt head) — 42
• Bolt class 9.8 (see on the bolt head) — 47

M12:

• Bolt class 8.8 (see on the bolt head) — 77
• Bolt class 10.9 (see on the bolt head) — 110
• Bolt class 12.9 (see on the bolt head) — 105

Rear suspension

Axle bolts of transverse arms to subframe* — 77

Lower shock absorber mounting bolt - 100

Shock absorber rod mounting nut* — 14

Upper shock absorber support nuts:

M8:

• Bolt class 8.8 (see on the bolt head) — 22
• Bolt class 10.9 (see on the bolt head) — 30

Stretcher:

• M12 - 77
• M14 - 140

Bolts for fastening longitudinal arms to transverse arms* — 110

Bolt for fastening the longitudinal arm to the bracket - 110

Attaching the trailing arm to the subframe — 77

* Do not reuse.