Home/Torque Specs/BMW/3 Series G20/2019-2024 2.0L I4 Turbo B48/O2 Sensors - All

O2 Sensors - All Torque Specifications

2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48

Labor Time:3.9 hours

🔧 Torque Values9 specifications

Component	lb-ft	Nm	Notes
⚠️ Exhaust Flange Bolts	33	45	Apply anti-seize
⚠️ Flange Bolts	35	47	—
⚠️ Flange Bolts	35	47	Apply anti-seize
Hanger Bolts	15	20	—
Hanger Bolts	15	20	—
Heat Shield Bolts	7	10	—
⚠️ Manifold Nuts	25	34	Apply anti-seize
Mounting Bolts	20	27	—
⚠️ 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.

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Common Questions

What is the torque spec for o2 sensors - all on a 2019-2024 BMW 3 Series G20?

The primary torque specification for o2 sensors - all on a 2019-2024 BMW 3 Series G20 is 45 Nm (33 lb-ft). Note: Apply anti-seize

How many torque specs are there for BMW 3 Series G20 o2 sensors - all?

There are 9 torque specifications for o2 sensors - all on the 2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48, covering all related fasteners and components.

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