Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Reverse Light Bulb
Used for: Brake Light Bulb
Used for: Turn Signal Light Bulb Front(with HID headlights)
Used for: Turn Signal Light Bulb Rear
Used for: Dome Light Bulb
Used for: Dome Light Bulb
This 2015 BMW M4 bulb size guide is designed to help you verify the correct bulb or light type by lighting position before you buy replacement parts. Because the M4 could be equipped with different lighting setups depending on market, trim, and options, checking the exact position on the car is the safest way to match the right fit.
Use this page as a quick reference for exterior and interior lighting on the 2015 BMW M4, including headlights, fog lights, turn signals, brake lights, reverse lights, and cabin bulbs. The listings below are organized by location so you can compare the bulb type on your vehicle and avoid ordering the wrong replacement.
Fitment on the 2015 BMW M4 can vary by trim package, lighting package, and body style, so it is important to confirm whether your car uses LED, HID, or another setup before purchasing. Some positions may differ between halogen-style and LED or HID-equipped cars, and aftermarket conversions can change the bulb type or connector style as well. For the best results, inspect the installed bulb or assembly first, then compare it with the chart before ordering. If your car has been modified, the original factory bulb listing may not match what is currently installed.
The low beam headlight listing for the 2015 BMW M4 is LED on this page. Because lighting equipment can vary by market and package, confirm the headlight assembly on your car before buying replacements.
The high beam headlight listing is LED. Some versions may also have a combined high beam and low beam setup listed as D1S, so check the exact headlight configuration on your car.
Yes, the front fog light bulb listing for the 2015 BMW M4 is LED. If your car has a different front lighting package or a modified bumper, verify the installed part before ordering.
The back up reverse light bulb is listed as 921. This is one of the few positions on the page with a specific bulb number, so it is a good idea to match the old bulb exactly.
The dome light bulb is listed as 2825, 98. Either of those bulb references may apply depending on the exact interior lamp setup, so compare the existing bulb before replacing it.
The brake light bulb is listed as 64136. If the rear lamps have been changed or converted, make sure the replacement matches the actual socket and lamp design.
The rear turn signal light bulb is listed as 7506. Always confirm the rear lamp assembly, since previous repairs or aftermarket tail lights can affect fitment.
For 2015 BMW M4 models with LED headlights, the front turn signal light bulb is listed as LED. This differs from other headlight configurations, so the headlight package matters.
For 2015 BMW M4 models with HID headlights, the front turn signal light bulb is listed as 5200. Check which headlight system your car has before purchasing.
Yes, the page lists the parking light, daytime running light, front side marker, and rear side marker as LED. These are typically part of the factory lighting design, but exact fitment can still vary by market.
Interior bulb positions on this page include vanity mirror light, glove box light, trunk or cargo area light, map light, interior door light, and stepwell light, all listed as LED. These are helpful to check if you are replacing multiple cabin lights at once.
Yes. Even with a year-specific guide, the safest approach is to inspect the installed bulb or the lamp assembly first. Trim differences, lighting packages, and aftermarket conversions can change the exact fitment.
