Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2021I3 RANGE EXTENDERREPAIR AND DIAGNOSISGENERAL INFORMATIONOEM GENERAL INFORMATIONGENERAL ORPHAN DATABUMPER, REAR
2021 BMW i3 Range Extender
Bumper, rear
2021 BMW i3 Range ExtenderSECTION Bumper, rear
51 12 BUMPER, REAR - TIGHTENING TORQUES SPECIFICATIONS
| Type | Thread | Tightening specifications | Dimension | |||
|---|---|---|---|---|---|---|
| 1AZ Bumper cover to guide, middle | I01 | 2 Nm | ||||
| I12 / I15 | 5 Nm | |||||
| 2AZ Bumper cover on side wall | I01 | 2 Nm | ||||
| I12 | 1.8 Nm | |||||
| 3AZ Bumper cover to underbody planking | I01 / I12 / I15 | 3 Nm | ||||
| 4AZ Guide, middle, to body | I01 | 2 Nm | ||||
| 5AZ Support to deformation element | I01 | M10 | 36 Nm | |||
| M8 | 15 Nm | |||||
| I12 / I15 | M8x80 | 19 Nm | ||||
| 6AZ Deformation element to body | I01 | 96 Nm | ||||
| I12 / I15 | M10x90 | 38 Nm | ||||
| 7AZ Trailing link to deformation element/strut brace | I01 | 12 Nm | ||||
| 8AZ Guide, middle to luggage compartment well | I12 / I15 | 8 Nm | ||||
| 9AZ BMW nameplate to bumper | I12 / I15 | 1.8 Nm | ||||
| 10AZ License plate support to bumper cover | I12 / I15 | 3 Nm | ||||
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.