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BMW M3 2012 Bulb Size
Bulb size chart
Fog Light Bulb Front - H11 LED, H16 LED
Headlight Bulb High Beam and Low Beam - D1S
Back Up Reverse Light Bulb - 921
Brake Light Bulb(with adaptive lighting) - 64136
Brake Light Bulb(without adaptive lighting) - LED
Center High Mount Stop Light Bulb - LED
Cornering Light Bulb - H3, H3C
License Plate Light Bulb - LED
Parking Light Bulb - LED
Stepwell Light Bulb - 2825, 98
Tail Light Bulb - LED
Turn Signal Light Bulb Rear - LED
Courtesy Light Bulb(Compare to original - Option 1) - 2825, 98
Courtesy Light Bulb(Compare to original - Option 2) - 6411, 6428
Dome Light Bulb - 2886X
Glove Box Light Bulb - 6418
Map Light Bulb - 2886X
Trunk or Cargo Area Light - 6411, 6428
Vanity Mirror Light Bulb - 6411, 6428
H11 LED Bulbs
Used for: Fog Light Bulb Front
H16 LED Bulbs
Used for: Fog Light Bulb Front
D1S Bulbs
Used for: Headlight Bulb High Beam and Low Beam
921 Bulbs
Used for: Back Up Reverse Light Bulb
64136 Bulbs
Used for: Brake Light Bulb(with adaptive lighting)
H3 Bulbs
Used for: Cornering Light Bulb
H3C Bulbs
Used for: Cornering Light Bulb
2825 Bulbs
Used for: Stepwell Light Bulb, Courtesy Light Bulb(Compare to original - Option 1)
98 Bulbs
Used for: Stepwell Light Bulb, Courtesy Light Bulb(Compare to original - Option 1)
6411 Bulbs
Used for: Courtesy Light Bulb(Compare to original - Option 2), Trunk or Cargo Area Light, Vanity Mirror Light Bulb
6428 Bulbs
Used for: Courtesy Light Bulb(Compare to original - Option 2), Trunk or Cargo Area Light, Vanity Mirror Light Bulb
2886X Bulbs
Used for: Dome Light Bulb, Map Light Bulb
6418 Bulbs
Used for: Glove Box Light Bulb
This page for the 2012 BMW M3 helps you verify bulb sizes by lighting position, so you can match the correct replacement to each lamp on the car. Because BMW used different lighting setups depending on body style, market, and option package, it is important to confirm the exact bulb type for the specific location before ordering.
For the 2012 M3, the chart below covers exterior and interior bulbs such as headlights, fog lights, tail lights, turn signals, reverse lights, license plate lights, map lights, dome lights, and more. Use it as a quick reference when replacing a failed bulb or planning an LED upgrade.
Fitment can vary on the 2012 BMW M3 depending on trim, lighting package, and whether the car has adaptive lighting or a standard setup. Some positions may use halogen bulbs while others are LED, and aftermarket LED conversions can change the bulb style or require additional components for proper operation. Before buying, check the bulb already installed in the car, compare the base and connector shape, and confirm whether your M3 has adaptive headlights or non-adaptive brake lighting, since those details affect the correct fitment.
FAQ
What headlight bulb does the 2012 BMW M3 use?
The headlight bulb listed for both high beam and low beam is D1S. Always confirm the existing bulb and housing type before replacing it, especially if the car has been modified or fitted with aftermarket parts.
Does the 2012 BMW M3 use the same brake bulb on every model?
Not always. The chart lists different brake light bulbs depending on whether the car has adaptive lighting. Without adaptive lighting, the brake light bulb is LED. With adaptive lighting, the brake light bulb is 64136.
What is the reverse light bulb size for the 2012 BMW M3?
The back up reverse light bulb is 921. This is one of the simpler bulbs to replace, but it is still smart to verify the socket style before ordering.
What bulb fits the front fog lights on a 2012 BMW M3?
The front fog light bulb is listed as H11 LED or H16 LED. The exact fit can depend on the specific lamp assembly, so check the old bulb and connector before purchase.
What bulb is used for the license plate lights?
The license plate light bulb is LED. If one side is out, it is usually best to replace both sides together so the color and brightness match.
What bulb does the 2012 BMW M3 use for the headlights and interior map lights?
The chart lists D1S for the headlights and 2886X for both the dome light and map light. These are different applications, so do not assume the same bulb fits every location.
Are the tail lights and rear turn signals LED on the 2012 BMW M3?
Yes, the chart lists LED for the tail light bulb and the rear turn signal light bulb. Because these are LED positions, replacement may involve the full lamp assembly or a compatible LED service part rather than a simple filament bulb.
What bulb fits the vanity mirror lights and trunk light?
Both the vanity mirror light and the trunk or cargo area light are listed as 6411 or 6428. These bulbs are also used for some courtesy light positions, so check the exact lamp location before ordering.
What are the interior courtesy and stepwell bulb sizes?
The stepwell light bulb is 2825 or 98, and one courtesy light listing also uses 2825 or 98. Another courtesy light option uses 6411 or 6428, so the exact location matters.
What bulb is used for the glove box light on the 2012 BMW M3?
The glove box light bulb is 6418. This is a separate fitment from the dome and map lights, so it should be matched by position rather than by appearance alone.
Does the 2012 BMW M3 have a cornering light bulb?
Yes, the chart lists H3C or H3 for the cornering light bulb. Some cars may not have this feature depending on equipment level, so check whether your M3 actually has cornering lights before buying.
How can I make sure I buy the right bulb for my 2012 BMW M3?
Use the bulb chart by lighting position, then compare it with the bulb currently installed in the car. Trim, market, and lighting package differences can change the correct bulb, so checking the old bulb is the safest way to confirm fitment.