Question 1

What is the torque spec for o2 sensor - downstream on a 1997-2003 BMW 528i E39?

Accepted Answer

The primary torque specification for o2 sensor - downstream on a 1997-2003 BMW 528i E39 is 50 Nm (37 lb-ft). Note: Apply anti-seize

Question 2

How many torque specs are there for BMW 528i E39 o2 sensor - downstream?

Accepted Answer

There are 6 torque specifications for o2 sensor - downstream on the 1997-2003 BMW 528i E39 2.8L I6 M52, covering all related fasteners and components.

Component	Nm	lb-ft	Notes
⚠️ Flange Bolts	50	37	Apply anti-seize
Hanger Bolts	22	16	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	35	26	Apply anti-seize
Mounting Bolts	28	21	—
⚠️ O2 Sensor	50	37	Apply anti-seize to threads

O2 Sensor - Downstream Torque Specifications

Torque Values (6 specifications)

Other Jobs with Torque Specs

Common Questions

What is the torque spec for o2 sensor - downstream on a 1997-2003 BMW 528i E39?

How many torque specs are there for BMW 528i E39 o2 sensor - downstream?