Air Injection Check Valve Torque Specifications

2006-2011 BMW 325i 3.0L I6 N52

Labor Time:1.1 hours

🔧 Torque Values7 specifications

Component	lb-ft	Nm	Notes
Cover Screws	8	11	—
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Flange Bolts	37	50	—
Hanger Bolts	16	21	—
Heat Shield Bolts	7	10	—
Mounting Bolts	21	28	—
⚠️ O2 Sensor	33	45	Apply anti-seize to threads only

⚠️ = 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

2022-2024 GT-Line Dual Motor AWD

1992-1995 1.5L I4 D15

2016-2023 2.0L Turbo I4

The primary torque specification for air injection check valve on a 2006-2011 BMW 325i is 11 Nm (8 lb-ft).

There are 7 torque specifications for air injection check valve on the 2006-2011 BMW 325i 3.0L I6 N52, covering all related fasteners and components.