Bmw speed sensor location

Remember Me? BMW Models. Any Picts? Results 1 to 21 of Thread Tools Show Printable Version. A tad frustrating. Kevin - - - Updated - - - I was also wondering if I can get to it from under the hood or under the car?

The car makes it possible, but the driver makes it happen. Jim Levie, Huntsville, AL. Depending on the tranny in your car there could also be one in the tailshaft of the tranny if it's an automatic.

Ed in San Jose '97 i 6 speed aspensilber over aubergine leather. It is on the top rear of tranny. What I need to know is how to get to it. Under the hood or under the car. I'm a novice so I hope it's not a major operation. Does the transmission shift? If so, then the sensor is good. Yes it does shift. Was my info wrong? I could be wrong, rfrkw should be able to correct me if so. If you have an automatic, then this is the sensor that the cruise control uses.

For a 99 i with the M52TU twin vanos engine: The speed input for the cruise control is the average speed of the 2 front wheel speed sensors. Ron pointed to a very good resource, a BMW training manual for that powertrain. The sensor on the transmission is only for the transmission. Looks like you have to drop the tranny. Too big of a job for me. Ill have to wait till I can afford it. Off to do he struts with the M package. You have been told several times that sensor is not the one you are looking for.

You have been told this by professional mechanics. You have been given a link to the official BMW factory training information on that exact system. Why would I write up a detailed description on how to change that transmission OSS when you obvious will not listen. Not that I could write up such a description as I have yet to see that sensor fail.

I guess I'm not understanding then.The BMW i can be a great selection of car that is sure to give any car owner with a smooth, bumpless ride plus plenty of cargo space that comes in handy for family vacations. Would it make sense to budget a large sum on a great luxury car, and then cut costs on new OEM or aftermarket components and parts? The luxurious looks and superior handling of the BMW make constant commutes more exciting. If you're looking to buy a BMW i then you must be the type of person who cares about quality engineering, so quality OEM and aftermarket parts must also be high on your list.

Genuine BMW vehicles offer a combination of classic looks with the best performance. When contemplating tough styling and rugged durability, consumers won't be disappointed with a car made by BMW. Part replacements for the BMW i is often a high expense, because cars focused on performance are made using high quality parts and require special knowledge to install new replacement parts and this usually leads to higher costs for the owner of the car.

Dodge unreasonable danger when driving by checking that your car or truck has the safety parts that you need. Taking into account that BMW i ABS Speed Sensor failures are to blame for nearly eighty percent of warning light worries, it's a shrewd option to replace them with reliable are damaged by grime Your car or truck's BMW i ABS Speed Sensor is installed on the wheel hubs and measures the speed of rotation of each wheel to determine whether or not the brake computer needs to take control of the braking.

They are available for the following BMW i years:,,16, 15, 14, 13, 12, 11, 10, 09, 08, 07, 00, 99, 98, 97, We stock abs speed sensor parts for most BMW models including iX5iLX3iiiiiCiiLiixiiCiM3i xDriveLixiiZ4Z3iiiLdiisisCixiiitiei xDriveesxi and i. Parts Geek will continue to have my business as long has it continues to provide the low prices as they currently do so well.

I purchased 3 speed sensors from Parts Geek. Mistake, only need two. They want me to pay to ship it back now Close X. Call To Order: To return a part, simply submit a support ticket within 30 days of ordering and we will issue you an RMA number to return your product. See customer service page for refund and return details. We scour the web to make sure PartsGeek always has low prices. You can buy with confidence! Click to Enlarge. Shipping Options: Free Ground Shipping.

Product SKU: 34 52 6 Product SKU: 34 52 1 Product SKU: W Shipping Options: Ground, Overnight, 2 Day. Product SKU: Read more reviews. The parts came timely! Was extremely satisfied with the price and sales rep. Catalog: E. Catalog: B. Catalog: G. Catalog: A.This signal is used to calculate road wheel speed to help with ABS braking and stability control features.

Sensors are bolted to each wheel hub and are therefore susceptible to damage from impacts, road grime and brake dust. BMW Z4 models utilize a magneto resistive style wheel speed sensors. This style of sensor allows accurate wheel speed reporting as soon as the wheel moves, unlike older style inductive sensors that required a speed of about 7 MPH to start working. This allows greater dynamic system control at lower vehicle speeds. This sensor type creates a high to low signal, the low is just above 9 volts, and the high about 12 volts.

It is important to use a lab scope when testing these sensors. This is the best way to display the digital signal created by the sensor. You will have to scan the module and read the fault codes to determine which speed sensor is the problem. Be sure to scan and read fault codes before replacing parts.

You can use a scan tool while monitoring wheel speed signals to check for a slower or faster wheel. This can help to pinpoint a faulty sensor. Compare all four wheel speed signals together, look for one that doesn't match the others. To see how to test individual sensor and related fault codes, see our tech article on ABS wheel speed sensor testing. A faulty wheel speed sensor can also set multiple brake warning lights green arrows.

It is important to check for fault codes using a BMW scan tool. This also helps to identify the problem sensor.

Remember your car may have been serviced before and parts replaced with different size fasteners used in the replacement.

4 Signs of a bad vehicle speed sensor faulty failing symptoms malfunction P0500

The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches. Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If working with the electrical system, disconnect the battery before beginning.Our mobile mechanics offer services 7 days a week.

Upfront and transparent pricing. Average rating from customers who received a Speed Sensor Replacement. Learn More. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

bmw speed sensor location

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

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.

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. The speed sensor likewise affects the transmission, causing it to perform erratically.

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. Get an upfront price. Service Location.

YourMechanic Benefits Online Booking. Mechanic comes to you. Free 50 point safety inspection. See availability. 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. 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 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.

What common symptoms indicate you may need to replace the Speed Sensor?The BMW E39 has an electronic wheel speed sensor located at each hub. In the simplest terms, the car uses these sensors to count the number of rotations made by each wheel. It monitors each one to recognize if one or multiple of the wheels are slipping or are locked up.

If one of the speed sensors is malfunctioning, the car gets an erroneous count from that particular wheel. Replacement of the E39 wheel speed sensors should only take about 15 minutes per wheel and can be done in your garage or in your driveway with relative ease. One of the most glaring signs that one or more of the wheel speed sensors or ABS sensors on your BMW E39 has either died or on its way out is when you see three warning lights on your dashboard.

If you have these lights, your next steps will be trial and error to figure out which sensor is at fault. Driving without traction control or ABS is dangerous and should be avoided whenever possible. The discussion of wheel speed sensors and their diagnosis has filled many forum pages over the years.


The three best ways to diagnose which sensor is going bad are:. Start by putting the transmission in park, and setting the handbrake.

Raise the car and safely secure it on a jack stand for the side that you plan to repair.

bmw speed sensor location

There should be a black box on your inner fender that contains the wheel sensor plug. Open the box carefully with a flat blade screwdriver here. Depending on which side of the car you're working on, there may be one or two sets of wires inside this box.

The light blue one will typically be for the wheel sensor ignore the wire that runs to the brake caliper; this is a brake wear sensor. Use a 5mm Allen wrench to remove the two bolts that connects the wheel sensor to the hub assembly.

Depending on which side of the car you're working on, you may see one or two wires leading to the wheel. Ignore the wire that runs to the brake caliper. This is the brake wear sensor. The wheel speed sensor is attached to the top of the wheel hub. Its connector is hidden behind the rearward fender liner. Loosen the plastic fender liner by undoing the retainer clips and removing the plastic 8 mm bolts.

Loosen the rearward portion of the fender liner. Be careful not to tear it. Remove the blue connectors from their case behind the fender liner. Pull the sensor out of the wheel hub. Take note of how the old wire was routed through it mounting points. Connect the new speed sensor to the wiring harness. Install the connectors in their mounting box. Install the sensor in the hub and tighten and its bolt. Then reinstall the fender liner and its retainers and bolts. Make sure that the sensor wire will not rub against the tire.Alexandra worked so hard to meet our requests and got upgrades where possible, adding welcome luxury to our tour.

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bmw speed sensor location

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ABS Wheel Speed Sensor Replacement

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