2008-2013 BMW M3 E90 Muffler Torque Specs

4.0L V8 S65

Applies to 2008, 2009, 2010, 2011, 2012, and 2013 BMW M3 E90

Labor Time:1.4 hours

Torque Values (6 specifications)

Component	Nm	lb-ft	Notes
⚠️ Clamp Bolts	54	40	—
⚠️ Flange Bolts	41	30	Apply anti-seize
Hanger Bolts	20	15	—
Hanger Bracket Bolts	25	18	—
Muffler Clamps	55	41	—
⚠️ O2 Sensor	55	40	—

The primary torque specification for muffler on a 2008-2013 BMW M3 E90 is 54 Nm (40 lb-ft).

There are 6 torque specifications for muffler on the 2008-2013 BMW M3 E90 4.0L V8 S65, covering all related fasteners and components.