Buy Audi S3 Side View Mirrors

The Audi S3 side mirror-also called a side-view mirror, wing mirror, or door mirror-houses much more than a piece of glass. It can pack heating coils, power-fold motors, auto-dimming glass, LED turn signals, memory positions, and blind-spot warning lights. (Audi Parts, Audi Parts, Amazon)

• Generations:
  • 8V chassis (2015-2017 U.S. market) uses mirror assembly part 8V5857410AE and related supersessions. (Audi Parts)
  • 8Y chassis (2022-present) lists mirror part codes 8Y1 … with or without power-fold, auto-dim, and carbon-fiber caps. (Audi Parts)
• Left vs. right: All S3 mirrors are vehicle-side specific. Swapping sides will not fit because of mount angle and wiring lengths. (Audi Parts)
• Shared fit: Many components (glass, motor, caps) interchange with A3/RS3 models of the same chassis year, so note options like "memory" or "blind-spot LED" when ordering. (Audi Parts)

• Power adjustment & memory let the mirror remember seat profiles; coding in the MMI stores positions. (Audi Parts, Audi World)
• Heating clears fog below about 45 °F automatically when the rear-defrost button is pressed. (Reddit)
• Power folding tucks the mirror at the press of the door-switch or when locking the car (if activated). (Amazon, Audi-Sport.net)
• Auto-dimming glass uses photosensors to cut rear-glare at night. (Audi Parts)
• Dynamic LED turn signal strips make your lane changes more visible. (Amazon)
• Blind-spot LEDs ("Audi side assist") pulse amber when radar sees a vehicle alongside. System wakes up at 9 mph. (Audi)

Audi's mirror meets two key rules: U.S. FMVSS 111 (field-of-view and location) and U.N. ECE R46 (indirect-vision devices). (testups.com)
The UK construction code echoes similar limits on mirror size and projection from the body. (GOV.UK)
If the mirror houses the blind-spot LED, do not sand or repaint the lens; thick coatings can dull the warning light. (Repairer Driven News)

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• Cap removal: Pop off glass (disconnect heater), unscrew mirror motor, release four inner tabs, then slide cap forward. Work slowly to avoid breaking the indicator lens. (Audi-Sport.net)
• Glass swap: Warm the mirror with a heat gun on low, then pry evenly with plastic tools; cold glass cracks easier. Use nitrile gloves to avoid fingerprints on the backing foil. (Car Parts Tuning)
• Coding: After installing power-fold mirrors, adapt module 52 (Driver Door) with VCDS to enable folding and memory bits; recalibrate side-assist LEDs if present. (Audi)
• Re-aiming side-assist: A short road drive above 40 mph normally completes dynamic calibration after mirror LED replacement-no special target needed.

• Wash with pH-neutral soap; avoid high-pressure jets aimed at the hinge to keep grease intact. (Audi-Sport.net)
• Once a year fold mirrors manually and apply silicone spray to hinge gears.
• Keep snow off the glass; the heating element is low-watt and not meant to melt thick ice quickly. (Reddit)

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Q: Will an A3 mirror fit my S3?
A: Yes if both cars share the same chassis code (8V or 8Y) and the options (folding, memory, blind-spot) match the wiring. (Audi Parts)

Q: Does the mirror heat stay on all the time?
A: No. The heater turns on only when rear-defrost is active and the outside temp is roughly 45 °F (7 °C) or lower. (Reddit)

Q: How do I activate the passenger mirror dip in reverse?
A: Leave the mirror selector knob pointing to the passenger side; adjust the dip angle once, and the car saves it. (Audi World)

Q: Can I repaint the mirror cap any color?
A: Yes, but keep paint layers thin and avoid covering the blind-spot LED lens so brightness stays within spec. (Repairer Driven News)

Q: Do I need dealer calibration after changing only the mirror glass?
A: No. Glass swap does not disturb sensors or motors-just plug the heater wires back. (Car Parts Tuning)

Q: After installing power-fold mirrors, they don't move-why?
A: The new motors need to be coded in the door module with a scan tool before the switch will work. (Audi)

Q: Mirror folds but squeaks-safe to spray WD-40?
A: Use silicone or white-lithium spray instead; petroleum sprays wash away grease and attract grit. (Audi-Sport.net)

Q: Where is the fuse for mirror motors?
A: On most S3 models it's fuse F20 (7.5 A) in the driver-side dash panel; check your fuse card to confirm. (Audi Parts)

Q: Can I upgrade to the sequential LED indicator strip?
A: Yes. Swap the turn-signal module (e.g., part 8Y1949101A for LH) and code the lighting channel if needed. (Audi Parts)

Q: Will mirror-mounted cameras become legal replacements?
A: Digital "camera mirrors" are allowed under updated ECE R46 but not yet under FMVSS 111, so U.S. S3s must still keep physical mirrors. (testups.com)