Question 1

What is the torque spec for leaf spring u-bolt kit on a 2014-2021 BMW i3?

Accepted Answer

The primary torque specification for leaf spring u-bolt kit on a 2014-2021 BMW i3 is 88 Nm (65 lb-ft). Note: Use new cotter pin

Question 2

How many torque specs are there for BMW i3 leaf spring u-bolt kit?

Accepted Answer

There are 8 torque specifications for leaf spring u-bolt kit on the 2014-2021 BMW i3 Range Extender, covering all related fasteners and components.

Component	Nm	lb-ft	Notes
⚠️ Ball Joint Nut	88	65	Use new cotter pin
⚠️ Control Arm Bolts	165	122	Torque with vehicle weight on wheels
Mounting Bolts	27	20	—
⚠️ Strut Bolts	115	85	—
⚠️ Strut Tower Nuts	50	37	—
⚠️ Sway Bar Link	61	45	—
Sway Bar Link Nuts	55	41	Hold shaft with Allen key
⚠️ Wheel Lug Nuts	136	100	Torque in star pattern

Leaf Spring U-Bolt Kit Torque Specifications

Torque Values (8 specifications)