2014-2021 BMW i3 Cylinder Head R&R Torque Specs

Range Extender

Applies to 2014, 2015, 2016, 2017, 2018, 2019, 2020, and 2021 BMW i3

Labor Time:15.6 hours

Torque Values (21 specifications)

Component	Nm	lb-ft	Notes
⚠️ Camshaft Bearing Cap Bolts	14	10	Tighten in sequence, 3 passes
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
⚠️ Camshaft Sprocket Bolt	80	59	Hold cam with wrench on hex
Cover Bolts	16	12	—
⚠️ Cylinder Head Bolts	65	48	TTY - tighten in sequence plus angle
Electrical Connector Bolts	7	5	—
⚠️ Exhaust Manifold Nuts	30	22	Apply anti-seize, work hot-to-cold
⚠️ Gasket Bolts	20	15	—
⚠️ Gasket Surface Bolts	20	15	Clean mating surfaces
⚠️ Intake Manifold Bolts	25	18	—
⚠️ Mounting Bolts	47	35	—
⚠️ Oil Drain Plug	35	26	Use new crush washer
⚠️ Rocker Arm Bolts	30	22	Tighten with cam lobe pointing away
⚠️ Rocker Arm Shaft Bolts	25	18	Tighten evenly in sequence
Sensor Bolts	11	8	—
Sensor Mounting Bolts	11	8	—
Thermostat Housing Bolts	15	11	—
⚠️ Timing Chain Guide Bolts	12	9	Replace if worn
⚠️ Timing Chain Tensioner Bolt	25	18	Install with pin/clip to compress
⚠️ Timing Cover Bolts - 8mm	25	18	Tighten in sequence
Valve Cover Bolts	10	7	Tighten in sequence

The primary torque specification for cylinder head r&r on a 2014-2021 BMW i3 is 14 Nm (10 lb-ft). Note: Tighten in sequence, 3 passes

There are 21 torque specifications for cylinder head r&r on the 2014-2021 BMW i3 Range Extender, covering all related fasteners and components.