How to Replace Front Brake Pad Sensor 1997-2006 BMW 325 Xi
Created on: 2019-06-07
This 1A Auto video will show you how to replace the front brake pad sensor in your 01-06 BMW 3 Series. It should be replaced every time you do your brakes.
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step 1 :Removing the Wheel
- Partially raise the vehicle off the ground
- Loosen the 17 mm lug bolts
- Raise and support the vehicle on jack stands
- Remove the lug bolts
- Replace one lug bolt loosely
- Hammer the tire from the back side if the wheel is stuck
- Remove the last lug bolt and the wheel
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step 2 :Removing the Front Brake Pad Sensor
- Open the brake pad sensor wire retainer attached to the brake bleeder screw
- Pull the brake pad sensor out of the brake pad notch using needle nose pliers
- Remove the metal clip if it does not come out with the sensor
- Follow the wire and remove it from all retaining clips
- Open the wire connector box door
- Disconnect the sensor wire electrical connector
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step 3 :Installing the Front Brake Pad Sensor
- Connect the brake pad sensor electrical connector
- Clip the electrical connector into the connector box
- Close the electrical connector box
- Starting at the connector end, replace the wire into the retaining clips
- Insert the brake pad sensor into the brake pad
- Replace the wire in the retainer mounted on the bleeder screw
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step 4 :Replacing the Wheel
- Set the wheel in position and line up the bolt holes
- Replace the 17 mm lug bolts
- Lower the vehicle with the wheel slightly touching the ground
- Torque the 17 mm lug bolts in a star pattern to 95 ft-lb
- Lower the vehicle completely
Tools needed
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Torque Wrench
17mm Socket
Needle nose pliers
1/2 Inch Breaker Bar
What's up guys? I'm Andy from 1A Auto. In this video I'm going to show you how to replace the front brake pad sensor on this 2001 BMW 325xi. If you need this part or other parts for your vehicle, click the link in the description and head on over to 1aauto.com.
All right, I'm going to loosen up these lug bolts. I'm going to use a 17 millimeter socket and a breaker bar. Loosen them up. Now I'm going to raise and support the vehicle. We're using a two post lift. If you're doing this at your house, you can use a jack and jack stands. Now I'll take these lug bolts out, just use the socket to help you get them out. I'm going to just hold the wheel with my other hand so it doesn't fall. Take the last one out then I can grab the wheel and slide it off.
Right so I'm going to use some needle nose and I'm going to just grab right here, try to squeeze this. This is that brake pad sensor, and try to pull it out. Just like that, this little spring in there, and then we can take this off here. That's the retainer that holds it on. Take this wire, this little retainer that holds it in right here. It's slotted, push it towards the vehicle and then right here, there's another one. Just grab it and pull it out. There's a little cover right here, just pull on the snaps for the cover. We can slide the connector out. Just like that. There's a little button on the back side of the connector, push that button, slide the connector off. Here's the old brake pad sensor, here's the new brake pad sensor from 1aauto.com. If you look at the connector, connector is the same. The wire length is the same and the sensor is the same. Got the same spring on it, get yours at 1aauto.com and you can do it yourself.
Right so take the new sensor, you want to line this up with the connector. Make sure it goes that same way, slide it in, lock it in place. If it seems like you're struggling to push it in, you're probably going the wrong direction. Slide this connector back in this bracket just like that and this little elbow gets slid right in there. We can close the door. Slide this into this bracket right there and same with this one right here.
Now before I put the wire through this retainer right here, I'm just going to slide it in position on that pad, just take the needle nose pliers to help assist. Just slide that in position just like that and then put this retainer right there, lock that down. Now I'm going to install the wheel. Line it up with the lug holes and I'll hold the wheel on, grab a socket with my lug bolt, get that started. All right now I can lower the vehicle and torque the lug nuts. Now I'm going to use a 17 millimeter socket and this torque wrench that we sell at 1aauto.com. I'm going to torque these lug bolts to 95 foot pounds in a star pattern so that it torques the wheel down evenly. I'll just go around again.
Thanks for watching. Visit 1aauto.com for quality auto parts shipped to your door, the place for DIY auto repair. And if you enjoyed this video please click the subscribe button.
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