BMW 745Li Speed Sensor Replacement at your home or office.

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Speed Sensor Replacement Service

How much does a Speed Sensor Replacement cost?

On average, the cost for a BMW 745Li Speed Sensor Replacement is $274 with $36 for parts and $237 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2005 BMW 745LiV8-4.4LService typeSpeed Sensor ReplacementEstimate$359.62Shop/Dealer Price$421.41 - $508.33
2004 BMW 745LiV8-4.4LService typeSpeed Sensor ReplacementEstimate$309.62Shop/Dealer Price$371.48 - $458.46
2003 BMW 745LiV8-4.4LService typeSpeed Sensor ReplacementEstimate$309.62Shop/Dealer Price$371.48 - $458.45
2002 BMW 745LiV8-4.4LService typeSpeed Sensor ReplacementEstimate$309.62Shop/Dealer Price$371.38 - $458.28
Show example BMW 745Li Speed Sensor Replacement prices

What is the Speed Sensor all about?

Located on the transmission case, within the rear differential assembly or inside the ABS system, the vehicle speed sensor reads the speed of the wheel rotation on a vehicle while driving. The sensor also helps the vehicle maintain stability while driving by telling the computer when to release pressure to a wheel while using the ABS.

A type of tachometer, the part consists of a toothed ring and pickup. The speed sensor reads the rotational speed of the reluctor wheel, located within the transmission. Speed sensors within the differential use a trigger wheel mounted in conjunction with the ring gear to accomplish the same tasks as those performed by the transmission-mounted version.

Keep in mind:

  • The mechanic will run a diagnostic on the vehicle to find the exact cause of the problem.

  • A faulty speed sensor sometimes produces symptoms similar to a failing transmission.

  • The mechanic will check the transmission.

  • Some vehicles use the information from the sensor to help determine ride height, a feature in newer vehicles.

  • The mechanic will check all connections to make sure everything remains connected properly.

How it's done:

  • The speed sensor is verified that it needs to be replaced. The vehicle is lifted and supported on jack stands.

  • The speed sensor is located in the rear axle. The speed sensor is removed from the rear axle housing.

  • The new speed sensor is installed into the axle housing.

  • The speed sensor connector is connected. The vehicle is removed from the jack stands.

  • The vehicle is road tested and scanned for proper operation of the speed sensor.

Our recommendation:

When replacing the vehicle speed sensor, the mechanic will first run a diagnostic to make sure that the problem does not lie with the transmission instead.

Replace a faulty speed sensor as soon as possible to avoid further damages on your vehicle. The speed sensor also controls the anti-lock braking system. Driving with a bad speed sensor usually causes the ABS to malfunction and can lead to loss of braking power and/or an accident. The speed sensor likewise affects the transmission, causing it to perform erratically.

What common symptoms indicate you may need to replace the Speed Sensor?

  • Odometer does not work
  • Speedometer stops working or performs erratically
  • Cruise control fails to function properly
  • Transmission hesitates to shift gears or shifts roughly, sometimes revving higher as the driver shifts gears
  • Transmission jumps gears
  • Vehicle idles incorrectly
  • Vehicle rumbles
  • Vehicle suddenly loses power
  • Fuel efficiency drops
  • Check Engine Light, brake, or anti-lock warning lamps come on

How important is this service?

While vehicle owners can get away with not replacing a vehicle speed sensor initially, they can expect the vehicle’s usability to only worsen over time. Owners want to refrain from waiting until the part goes out completely, which could cause critical vehicle systems, such as the speedometer and anti-lock brakes, to stop functioning entirely.

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Meet some of our expert BMW mechanics

Real customer reviews from BMW owners like you.

Excellent Rating

(38)

Rating Summary
37
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0
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37
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Tony

14 years of experience
121 reviews
Tony
14 years of experience
BMW 745Li V8-4.4L - Check Engine Light is on - El Sobrante, California

Daniel

21 years of experience
346 reviews
Daniel
21 years of experience
BMW 745Li V8-4.4L - Battery - Rosharon, Texas
Great Mechanic, and great recommendations base off your car needs. Well recommended.

Abdul

11 years of experience
419 reviews
Abdul
11 years of experience
BMW 745Li V8-4.4L - Spark Plugs - Smyrna, Georgia
Great Guy fast worker and Honest. He changed all my spark plugs and realized he was short to plugs from parts dept. He told me and then went to a local parts store to get more plugs. He also made sure he had the same brand. My BMW is running great.

Rodric

14 years of experience
418 reviews
Rodric
14 years of experience
BMW 745Li V8-4.4L - Canister Purge Solenoid - Smyrna, Georgia
Very professional and fast service

Excellent Rating

(38)

Rating Summary
37
0
0
1
0
37
0
0
1
0
Number of BMW 745Li services completed
418+
services done by our mechanics
TOTAL NUMBER OF EXPERT BMW MECHANICS
1100+
experts on our platform

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