Alternator Torque Specifications

1997-2003 BMW 540i E39 4.4L V8

Labor Time:3 hours

🔧 Torque Values6 specifications

Component	lb-ft	Nm	Notes
⚠️ Alternator Mounting Bolts	35	47	—
⚠️ Alternator Pivot Bolt	35	47	—
⚠️ Battery Cable Nut	10	14	Disconnect battery first
⚠️ Ground Bolt	10	14	—
⚠️ Mounting Bolts	25	34	—
⚠️ Tensioner Bolt	18	24	—

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

1990-1997 4.6L V8 Modular

2007-2012 3.7L I5

2011-2016 6.7L V8 Power Stroke Diesel

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

1995-1999 2.0L Turbo I4

The primary torque specification for alternator on a 1997-2003 BMW 540i E39 is 47 Nm (35 lb-ft).

There are 6 torque specifications for alternator on the 1997-2003 BMW 540i E39 4.4L V8, covering all related fasteners and components.