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

O2 Sensor - Upstream Torque Specifications

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

Labor Time:3 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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O2 Sensor - Upstream Torque Specs on Other Vehicles

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1990-1997 4.6L V8 Modular

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2007-2012 3.7L I5

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2011-2016 6.7L V8 Power Stroke Diesel

Honda Civic

1992-1995 1.5L I4 D15

Audi TT

2016-2023 2.0L Turbo I4

Mitsubishi Eclipse GSX

1995-1999 2.0L Turbo I4

Common Questions

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

The primary torque specification for o2 sensor - upstream 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 sensor - upstream?

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

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