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.
2023 BMW M3 Base, Automatic TransFACTORY OEM SERVICE PROCEDURE
Rear Axle -- Repair M3 (G80)
- 33 00 General Information
- 33 10 Rear Differential
- 33 10 013 Removing and installing rear differential (M Sport differential) (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 014 Replacing the rear differential (M Sport differential) (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 023 Replacing radial shaft seal for output shaft on rear differential on the left or right (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 030 Removing and installing/replacing rear differential oil pan (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 035 Removing and installing/replacing rear differential adapter (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 053 Removing and installing/replacing rear differential oil temperature sensor (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 656 Replacing differential servomotor (servomotor, complete set) (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 10 657 Replacing the servomotor of rear differential (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 11 Rear Differential Drive Flange Seal
- 33 17 Rear Differential Mounting
- 33 21 Output Shafts
- 33 31 Rear Axle Carrier
- 33 31 000 Removing and installing complete rear axle support (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 31 043 Removing and installing/replacing left stiffening plate (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 31 044 Removing and installing/replacing right stiffening plate (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 31 503 Lowering/raising rear axle support (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 Rear Control Arms, Rear Wheel Carrier
- 33 32 125 Replacing a ball joint in lower steering stub axle/wheel carrier (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 131 Removing and installing one steering stub axle/wheel carrier (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 190 Removing and installing/replacing left or right camber arm (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 195 Replacing the rubber mount for camber control arm in the rear axle support (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 300 Replacing lower front wishbone (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 303 Replacing the wishbone, bottom, rear (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 305 Replacing front upper wishbone (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 307 Replacing the upper rear wishbone (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 32 729 Replacing one steering stub axle/wheel carrier (wheel carrier removed) (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS)
- 33 41 Rear Wheel Bearings
- 33 52 Rear Shock Absorber Mounts
- 33 53 Rear Coil Springs
- 33 55 Rear Anti-Roll Bar
- 33 60 Rear Differential Control Unit
Factory Service Tools
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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.
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