Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2021Z4 SDRIVE M40IREPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESWHEEL HUBSFRONT AXLE -- REPAIR (G29)
2021 BMW Z4 sDrive M40i
Front Axle -- Repair (G29)
2021 BMW Z4 sDrive M40iSECTION Front Axle -- Repair (G29)
- 31 00 General Information
- 31 10 Front Axle Mounting
- 31 10 000 Removing and installing complete front axle (Z4 sDrive30i)
- 31 10 001 Completely removing and installing front axle with engine and transmission (Z4 sDrive30i)
- 31 10 035 Removing and installing/replacing the left crash lever
- 31 10 036 Removing and installing/replacing the right crash lever
- 31 10 000 Removing and installing complete front axle (Z4 M40i)
- 31 10 001 Completely removing and installing front axle with engine and transmission (Z4 M40i)
- 31 11 Front Axle Carrier
- 31 12 Front Control Arms
- 31 21 Front Wheel Bearings, Steering Swivel Bearing
- 31 31 Spring Strut
- 31 33 Front Coil Springs
- 31 35 Front Anti-Roll Bar
- 31 60 Front Axle Boot Clamps
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.