BMW M6 Brake Light Switch Guide (2005-2018): Symptoms and Replacement
Is a small switch causing big problems with your DSC, brake lights, or ignition? Here’s what you need to know.
- A faulty brake light switch often triggers DSC/ABS warning lights on the dash.
- This is a safety-critical part; replace it immediately if your brake lights are not working correctly.
- Trusted aftermarket brands like Hella, Febi, and Vemo offer reliable, cost-effective alternatives to OEM parts.
- Replacement is a simple DIY job that can be completed in under an hour with basic tools.
Is Your BMW M6 Brake Light Switch Failing?
A faulty brake light switch can cause a surprising number of issues in your M6. Because it communicates with so many different systems, the symptoms aren't always straightforward. Recognizing the signs early can save you from a wrong diagnosis.
Common Failure Symptoms
- Brake Lights Don't Work or Stay On: This is the most obvious sign. The lights may not turn on when you press the pedal, or they might stay illuminated even when the car is off.
- DSC/ABS Warning Lights: A primary symptom for many BMW owners is the sudden appearance of the DSC (Dynamic Stability Control) and/or ABS warning lights on the dashboard. The stability system relies on the brake signal to function, and a bad switch will trigger a fault.
- Cruise Control Malfunctions: The cruise control may not engage, or it might turn off by itself while driving.
- Car Won't Start: For M6 models with a push-button ignition, a bad switch can prevent the engine from starting because the system doesn't detect that the brake pedal is depressed.
- Stuck in Park: The gear selector may not shift out of Park. This is due to the safety interlock that requires the brake to be applied before shifting.
Recalls and Technical Service Bulletins (TSBs)
As of early 2026, there are no specific recalls from the National Highway Traffic Safety Administration (NHTSA) for the brake light switch on the 2005-2018 BMW M6. While BMW has issued recalls for brake systems on other models and years, they do not apply to this specific part and vehicle range.
Choosing the Right Aftermarket Brake Light Switch
You don't need to buy an expensive OEM part from the dealer. Several reputable aftermarket brands offer quality switches that provide excellent value. Here’s a breakdown of the available options.
Brand Quality Tiers
- OEM-Level Quality: Hella is a well-known original equipment manufacturer for many German car brands. Choosing Hella is the closest you can get to the original part's quality and fitment.
- Trusted Aftermarket: Brands like Febi, Vemo, and Standard Ignition (SMP) are solid choices. Febi is a popular German aftermarket brand known for good quality parts. Vemo and Standard Ignition are also seen as reliable, direct-fit replacements that solve common issues without the high cost of an OEM part.
- Standard/Budget Options: Brands like Facet, True Tech, and Rostra Powertrain are typically more budget-friendly. While they can be a cost-effective solution, their long-term durability may not match that of the higher-tier brands. For a critical sensor like this, sticking with a trusted brand is often worth the small price difference.
Pro Tip: Check Your Part Number
The M6's production run covers two distinct generations (E63 and F12/F13/F06). They may use different switches. The E63 M6 (2005-2010) often uses part number 61316967601. The later F-series M6 (2012-2018) may use part number 61319240076. Always verify the correct part number for your specific vehicle before ordering.
Replacement Cost
Replacing the brake light switch is an affordable repair. The part itself is inexpensive, and the labor is minimal.
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Part | $20.54 - $41.52 |
| Shop Labor | $73 - $107 |
| Total Estimated Cost | $94 - $149 |
Frequently Asked Questions (FAQ)
Can I replace the M6 brake light switch myself?
Yes, this is a job most DIYers can handle. The switch is located on the brake pedal assembly under the driver's side dashboard. You will need to remove a few trim panels to access it, but it typically just unplugs and unbolts. The estimated time is under an hour.
What is a DSC warning light?
DSC stands for Dynamic Stability Control. It is BMW's system for traction and stability control. It uses sensors to prevent the car from skidding or losing traction. Since it needs to know when you are braking, a faulty brake light switch will often cause a DSC error message.
Why won't my car start if the brake light switch is bad?
Modern cars with push-button start systems require you to press the brake pedal before the engine will start. The brake light switch sends the signal that the pedal is pressed. If the switch is broken, the car's computer never gets the signal and will not allow the engine to start.
Is it safe to drive with a bad brake light switch?
No. If your brake lights are not working, other drivers won't know you are slowing down, which is a major safety hazard. Even if the lights work but the switch is causing DSC faults, your car's stability control system may be compromised. You should get the switch replaced as soon as possible.
Technical Specifications
OEM Part Numbers: 61316967601 61319240076 61310141214 61310300846
Typically a 4-pin, non-contact Hall effect sensor mounted to the brake pedal bracket.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- BMW M6: