BMW 540i Brake Light Switch Replacement Costs

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Brake Light Switch Replacement Service

How much does a Brake Light Switch Replacement cost?

On average, the cost for a BMW 540i Brake Light Switch Replacement is $169 with $29 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2003 BMW 540iV8-4.4L	Service typeBrake Light Switch Replacement	Estimate$255.88	Shop/Dealer Price$287.40 - $367.79
1994 BMW 540iV8-4.0L	Service typeBrake Light Switch Replacement	Estimate$252.51	Shop/Dealer Price$282.35 - $364.65
1999 BMW 540iV8-4.4L	Service typeBrake Light Switch Replacement	Estimate$246.87	Shop/Dealer Price$275.34 - $353.44
2018 BMW 540iL6-3.0L Turbo	Service typeBrake Light Switch Replacement	Estimate$204.15	Shop/Dealer Price$220.55 - $265.56
1998 BMW 540iV8-4.4L	Service typeBrake Light Switch Replacement	Estimate$246.87	Shop/Dealer Price$277.92 - $357.95
2002 BMW 540iV8-4.4L	Service typeBrake Light Switch Replacement	Estimate$246.87	Shop/Dealer Price$275.59 - $353.87
2017 BMW 540iL6-3.0L Turbo	Service typeBrake Light Switch Replacement	Estimate$204.15	Shop/Dealer Price$220.56 - $265.59
2000 BMW 540iV8-4.4L	Service typeBrake Light Switch Replacement	Estimate$246.87	Shop/Dealer Price$275.34 - $353.44

Show example BMW 540i Brake Light Switch Replacement prices

What is the brake light switch and how does it work?

The brake light switch is a mechanical switch activated when you press the brake pedal. The switch has a plunger in it that contacts a lever in the brake pedal assembly. As that plunger is depressed when you push on the brake pedal, the contacts in the brake light switch closed and voltage flows to the brake lights — turning them on. The brake light switch is also in the circuit that controls the cruise control disengagement and the shift interlock safety feature installed on all newer cars. Failure of the brake light switch occurs due to wear on the internal electrical contacts in the switch, poor switch terminal connections, maladjustment of the switch, or damage to the brake pedal assembly.

When to consider replacing the brake light switch?

No brake lights. If depressing the brake pedal does not cause any of the brake lights to illuminate, the continuity of the switch will be tested. If only one brake light is out, then the issue is not the switch but rather the bulb, bulb socket or brake light circuit integrity.
Unable to shift out of park. The brake light switch is also wired into the shift interlock mechanism. If you are unable to shift out of park, with your foot on the brake, check to see if the brake lights will illuminate as you push the pedal. If they do not illuminate, failure of the brake light switch may be the cause of the no shift.
Intermittent operation of the brake lights or late operation. The brake light switch has to be in the proper position, and work consistently if the brake lights are to come on the instant you press the brake pedal. The switch can sometimes require adjustment, or the contacts may degrade, causing inconsistent operation of the switch.

How do mechanics replace the brake light switch?

The switch is first tested using a multimeter, including the terminal contacts to the switch, to determine if it is faulty. If the switch is functioning, the entire circuit must be tested to determine the cause of no brake lights.
Should the switch be judged defective, the switch is unthreaded from the mounting boss near the brake pedal assembly.
The new switch is threaded in and locked with an appropriate locknut once the new switch is properly adjusted.
The operation of the switch is tested to ensure instant illumination of the brake lights upon pressing the brake pedal.

Is it safe to drive with a brake light switch problem?

No. Should the brake light switch have failed, it is unsafe to drive the vehicle because drivers behind you will have no indication that you are slowing, intend to slow, or are stopped. Always address a failure of this type promptly to ensure your safety while driving.

When replacing the brake light switch keep in mind:

The mechanic will test the brake light switch directly to ensure that the issue is not elsewhere in the brake light circuit.
Occasionally, the issue is a maladjusted switch or a loose contact, and the mechanic can resolve the problem without switch replacement.

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Larry

19 years of experience

27 reviews

Larry

19 years of experience

by Dier

BMW 540i V8-4.0L - Adjust Parking Brake Cable - Richmond, Virginia

Larry is a very nice person and a professional mechanic. We had problems during the process but he did a very good job fixing it. I will book for Larry again.

Lucas

30 years of experience

938 reviews

Lucas

30 years of experience

by N.

BMW 540i V8-4.4L - Coolant is leaking - Simi Valley, California

My first experience was better than expected. Lucas was great. I received a quote to replace the leaking water pump as well as the thermostat and scheduled my next appointment. Very convenient.

Petar

8 years of experience

21 reviews

Petar

8 years of experience

by Earl

BMW 540i V8-4.0L - Control Arm Assembly Replacement (Front Lower Left, Front Lower Right) - Auburn, Washington

Petar had some challenges with parts that were seized within my suspension. He was able to come up with ideas to work through those issues within my vehicles components. After realizing he needed more time to work out the issues, he made adjustments to his schedule toward a better repair outcome. I deeply appreciate his reliability, advice, and commitment to complete the task. Great job Petar!

Ruben

15 years of experience

71 reviews

Ruben

15 years of experience

by Nighron

BMW 540i V8-4.4L - Tie Rod End Replacement (Front Left Outer, Front Right Outer) - Columbia, South Carolina

Great service. Arrived on time, provided excellent customer service and completed job

Excellent Rating

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