2014-2021 BMW i3 Valve Springs - All Torque Specs

Range Extender

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

Labor Time:10.4 hours

Torque Values (12 specifications)

Component	Nm	lb-ft	Notes
⚠️ Camshaft Cap Bolts	14	10	Tighten in sequence from center outward, multiple passes
Cover Bolts	16	12	—
Electrical Connector Bolts	7	5	—
⚠️ Gasket Bolts	20	15	—
⚠️ Gasket Surface Bolts	20	15	Clean mating surfaces
⚠️ Mounting Bolts	47	35	—
⚠️ 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	—
⚠️ Spark Plugs - Aluminum Head	20	15	Apply anti-seize to threads
Valve Cover Bolts	10	7	Tighten in sequence

Other Jobs with Torque Specs

Common Questions

What is the torque spec for valve springs - all on a 2014-2021 BMW i3?

The primary torque specification for valve springs - all on a 2014-2021 BMW i3 is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for BMW i3 valve springs - all?

There are 12 torque specifications for valve springs - all on the 2014-2021 BMW i3 Range Extender, covering all related fasteners and components.