COMPLETE GUIDE · WORKSHOP RELEASED
E91 heated mirror-glass replacement
BMW 3 Series Touring · E91 LCI · 320i · N43B20 · Any
A careful low-risk guide to removing one exterior mirror glass, transferring the heater connections, locking the replacement into the carrier and testing adjustment and heat-related wiring.
5/5 steps released · 1 linked source · about 30 minutes.
- Recognise the difference between glass fitment and complete mirror-housing fitment.
- Release a clipped mirror carrier without levering against painted trim.
- Preserve heater wiring polarity and routing.
- Validate mechanical retention and adjustment before driving.
FASTENERS & TIGHTENING
Check the hardware before you start
No separate verified fastener map is published for this guide. This does not mean no fasteners are involved. Follow the released steps and their cited specifications; if a required tightening or replacement rule is missing, stop and verify it.
How WrenchGuide treats fastener information
Material, reuse policy and tightening method are separate facts. Torque plus angle alone does not establish that a fastener is torque-to-yield or single-use. WrenchGuide will not invent a torque value or replacement rule.
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MY WORKSHOP JOURNAL
Remember how your car came apart.
Attach private notes and your own teardown photos to the exact procedure step. They stay on this device in the current local-first beta.
Match every glass and connector feature
Take a quick photo before disconnecting or removing something you may need to identify during reassembly.