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 MANUALSBMW2024M3 COMPETITION XDRIVEREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATA (2 OF 4)(INSTALL ALTERNATOR)

2024 BMW M3 Competition xDrive

(Install alternator)

2024 BMW M3 Competition xDriveSECTION (Install alternator)

Slightly push back the threaded support bushing (2) in the arrow direction to facilitate the installation of the alternator
Screw the screw (1) into the threaded support bushing (2)
Push back the threaded support bushing (2) using screw (1)
Once again unscrew the screw (1) from the threaded support bushing (2)

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Feed in and install the alternator (1)

Tighten the screws (2)

(TIGHTENING TORQUE SPECIFICATIONS)

Alternator on component carrier
M10x75	tightening torque	38 Nm
M10x125	tightening torque	38 Nm
M10x90	tightening torque	38 Nm

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Fasten the clamp (arrow) to the alternator (4)
Feed in and position the positive battery cable (3)

Tighten nut (2)

(TIGHTENING TORQUE SPECIFICATIONS)

Positive battery cable to the alternator
M8	Tightening torque	19 Nm

Connect connectors (1) and lock
The connector (1) must engage audibly

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Put drive belt (1) onto the belt pulley (2) of the alternator

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Check the drive belt for the alternator (1) for the correct fit

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Raise the preload with standard tools (1) on the belt tensioner in the arrow direction
Feed out the special tool 0 496 268 (11 0 390) from the belt tensioner and remove

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RENDER: 1.0x

NO RELATED

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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.