BMW 740e xDrive Horn Relay Replacement at your home or office.

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Horn Relay Replacement Service

How much does a Horn Relay Replacement cost?

On average, the cost for a BMW 740e xDrive Horn Relay Replacement is $107 with $12 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2017 BMW 740e xDriveL4-2.0L Turbo HybridService typeHorn Relay ReplacementEstimate$139.09Shop/Dealer Price$155.12 - $180.69
Show example BMW 740e xDrive Horn Relay Replacement prices

What is the Horn Relay all about?

The horn relay attaches a low power circuit to an electromagnet, which operates a mechanical switch. That switch either opens or closes a circuit that carries a higher power, which causes the horn to sound. There is a low power circuit running to your car’s steering wheel, and when it is activated, the horn sounds. When you release the horn button, the low power circuit is opened and the power level of the relay drops, silencing the horn.

Keep in mind:

  • You are required by law to have a working horn in your car.
  • Your car horn is a safety mechanism that allows you to warn other drivers of potential danger.

How it's done:

  • The vehicle battery is disconnected
  • The horn relay position is identified
  • The new horn relay and wiring are installed
  • The battery is reconnected
  • The repair is verified and the vehicle horn is tested for proper operation

Our recommendation:

If your horn isn’t working properly, you have no way of alerting another driver that he or she is about to collide with your vehicle, and you have no way of telling other drivers of any dangers further down the road. Our expert mechanics can diagnose any problems with your car horn, and if necessary, can replace the horn relay for you.

What common symptoms indicate you may need to replace the Horn Relay?

  • You press the horn button and nothing happens
  • You press the horn button but all you hear is a click
  • Horn only works sometimes

How important is this service?

Your horn is your first line of defense when it comes to problems in traffic. With an inoperable horn relay, your horn won’t work at all. If your horn isn’t working properly, get one of our expert mechanics to immediately correct the problem.

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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating

(6,828)

Rating Summary
6,369
206
60
45
148
6,369
206
60
45
148

Amor

43 years of experience
181 reviews
Amor
43 years of experience
BMW 325xi L6-2.5L - Headlight Bulb Replacement (Driver Side Low Beam) - Menlo Park, California
Came on time and fixed the issue quickly. It was a very straightforward job, but, regardless, I was pleased with the experience.

Juan

9 years of experience
340 reviews
Juan
9 years of experience
BMW X5 V8-4.4L - Water Pump - Morrisville, North Carolina
This is my second service call. I give Juan a 5-Star rating again. Look no further if you need work done. You will not be disappointed.

Michael

21 years of experience
280 reviews
Michael
21 years of experience
BMW 525i L6-2.5L - Car is shaking or vibrating - Fontana, California
It seems that he found the problem right away

Kris

27 years of experience
16 reviews
Kris
27 years of experience
BMW Z4 L6-2.5L - Pre-purchase Car Inspection - Queen Creek, Arizona
Shared a ton of information with me to help me determine car condition and was instrumental in my purchase decision with my new car.

Excellent Rating

(6,828)

Rating Summary
6,369
206
60
45
148
6,369
206
60
45
148
Number of BMW services completed
75108+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
experts on our platform

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