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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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Old 09-21-2019, 08:59 AM
BabyUnicornTaco BabyUnicornTaco is offline
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First time DIY brake job. Need some assistance. 4.8i with adaptive drive.

Iím replacing my rotors, pads, and sensor on the front brakes today. 08 4.8i with adaptive drive. I did my research and felt prepared. Did I not compress the piston in the caliper enough and thatís why my pad gap is too small to fit around a new rotor? If so. How can I compress it when I am at this pictured point? I must be missing something. When I compressed it while the old rotors and pads were installed it only compressed a little bit and then stopped. I appreciate any help. This is my first time working with brakes. Click image for larger version

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Old 09-21-2019, 09:02 AM
ArgentoCarNut ArgentoCarNut is offline
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Put the old pads in place, wedge a pry-bar in there and go to town... be careful not to overflow the brake fluid container.


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Old 09-21-2019, 09:18 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Originally Posted by ArgentoCarNut View Post
Put the old pads in place, wedge a pry-bar in there and go to town... be careful not to overflow the brake fluid container.


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Got it. Thanks. I had trouble getting leverage but I was able to figure out a way with the pry bar. Much appreciated.


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Old 09-21-2019, 10:17 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Now I canít get the pad sensor to clip in. Does it take a good amount of pushing to get it in?


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Old 09-21-2019, 10:30 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Itís the right part number. Do the metal prongs look right? Did they get bent somehow? Still just wonít clip in. Click image for larger version

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Old 09-21-2019, 10:36 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Yup. Prongs were bent. Itís in. Iím having a good conversation with myself right now. Carry on.


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Old 09-21-2019, 10:41 AM
twh twh is offline
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The sensor does get pushed in with a little force. But, I don't recall those little metal wings I see in your picture. Something doesn't seem right there.
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Old 09-21-2019, 12:20 PM
BabyUnicornTaco BabyUnicornTaco is offline
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The sensor does get pushed in with a little force. But, I don't recall those little metal wings I see in your picture. Something doesn't seem right there.


Yes. They hung over the edge slightly when first inserted. This caused them to flip down. I straighten them out to how the old one was. All good. A job done right the first time is a job done once. The brake seating procedure is a must. Enjoy your day everyone. Click image for larger version

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Old 09-22-2019, 05:16 AM
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sohor1 sohor1 is offline
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First time DIY brake job. Need some assistance. 4.8i with adaptive drive.

Even better...just zip tie the sensor to the chassis and monitor your brake pads by periodically looking at them. Youíll never have to buy another sensor.


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Old 09-22-2019, 05:21 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Even better...just zip tie the sensor to the chassis and monitor your brake pads by periodically looking at them. Youíll never have to buy another sensor.


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For a $15 sensor, I will continue to replace it. I like to keep everything on my X5 working as designed and Iíll take all the help I can get from warnings and fault codes.


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Old 09-22-2019, 05:24 AM
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Just throwing a tip out there...Iím old school. My sensors have periodically popped the brake light on my X5, M3, and 911 for no reason. I stopped installing them on the caliper and just zip tie them all. One less task on the brake job and one less part to buy.


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Old 09-22-2019, 07:42 AM
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taco a nice c clamp w the old pad works wonders at compressing the piston. good idea to take the cover off the brake fluid and syphon some out w a syringe as to not spill. Carry on!!
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Old 09-22-2019, 08:18 AM
BabyUnicornTaco BabyUnicornTaco is offline
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taco a nice c clamp w the old pad works wonders at compressing the piston. good idea to take the cover off the brake fluid and syphon some out w a syringe as to not spill. Carry on!!


I finished up the job yesterday. I kept and eye on the fluid level. I did one side at a time and pressed the brake a couple times when I switched wheels to push fluid back to the first caliper. I had good luck with using the old pads, a piece of wood, and a pry bar. I thought about a clamp but couldnít find one.


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Old 09-22-2019, 08:48 AM
deroy deroy is online now
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Quote:
Originally Posted by BabyUnicornTaco View Post
I had good luck with using the old pads, a piece of wood, and a pry bar.

Pry bar saves the day once again. No doubt the highest value tool in my garage.




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Old 09-22-2019, 07:47 PM
BabyUnicornTaco BabyUnicornTaco is offline
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Iíll be doing the rear brake pads, rotors, and sensors next week. Suggestions for the electronic parking brake? Best to just use my scanner to disengage it? I havenít looked to see if it is capable but I think it is. Other choice seems to be to disconnect and remove the parking brake actuator.


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Old 09-22-2019, 08:54 PM
twh twh is offline
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From the owner's manual...use this procedure to keep the parking brake off...

Before driving into a car wash
The vehicle can roll if you proceed according to the following steps:
1. Insert remote control into ignition lock.
2. Depress brake pedal.
3. Engage transmission position N.
4. Release the parking brake.
5. Switch off the engine.
6. Leave the remote control in the ignition
lock.
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Old 09-22-2019, 10:56 PM
FredoinSF FredoinSF is offline
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Quote:
Originally Posted by BabyUnicornTaco View Post
Iíll be doing the rear brake pads, rotors, and sensors next week. Suggestions for the electronic parking brake? Best to just use my scanner to disengage it? I havenít looked to see if it is capable but I think it is. Other choice seems to be to disconnect and remove the parking brake actuator.


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You will need Etorx for rear caliper bracket IIRC. I was missing those in my tool kit.



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Old 09-23-2019, 03:32 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Quote:
Originally Posted by twh View Post
From the owner's manual...use this procedure to keep the parking brake off...

Before driving into a car wash
The vehicle can roll if you proceed according to the following steps:
1. Insert remote control into ignition lock.
2. Depress brake pedal.
3. Engage transmission position N.
4. Release the parking brake.
5. Switch off the engine.
6. Leave the remote control in the ignition
lock.


Interesting. Thanks. I see something close to that in newtis as well. The rears are done when the X5 can roll and would just be held in place by chocks?


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Old 09-23-2019, 05:05 AM
deroy deroy is online now
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I never did my rears yet but Iím puzzled; Whatís the actual problem being discussed here? Does your parking brake self engage in P or so? Mine does not, so i would not expect any issue with a rear brake job.


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Old 09-23-2019, 05:52 AM
twh twh is offline
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Quote:
Originally Posted by BabyUnicornTaco View Post
Interesting. Thanks. I see something close to that in newtis as well. The rears are done when the X5 can roll and would just be held in place by chocks?


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Chocks are fine. I always chock one wheel that is on the ground whenever the car is off the ground no matter the state of the transmission or parking brake.
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Old 09-23-2019, 05:53 AM
twh twh is offline
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I never did my rears yet but Iím puzzled; Whatís the actual problem being discussed here? Does your parking brake self engage in P or so? Mine does not, so i would not expect any issue with a rear brake job.


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Some cars have the electromechanical parking brake rather than the pull handle or push pedal. If you have the electromechanical parking brake, it will engage automatically when you are in Park and turn the engine off. That makes it difficult to do the rear rotors
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Old 09-23-2019, 05:59 AM
BabyUnicornTaco BabyUnicornTaco is offline
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Originally Posted by deroy View Post
I never did my rears yet but Iím puzzled; Whatís the actual problem being discussed here? Does your parking brake self engage in P or so? Mine does not, so i would not expect any issue with a rear brake job.


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From what In know the rear driverís side has the electronic parking brake actuator. It has to be disabled before the brakes and rotors to prevent damage. I read it can either be done with a worthy scan tool or manually removed. 3:35 minutes into this video.


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Old 09-23-2019, 08:16 AM
BabyUnicornTaco BabyUnicornTaco is offline
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I read something about a service mode for the rear brakes and rotors. Iíll have to see if my scanner is capable.


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Old 09-23-2019, 09:08 AM
deroy deroy is online now
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First time DIY brake job. Need some assistance. 4.8i with adaptive drive.

Quote:
Originally Posted by twh View Post
Some cars have the electromechanical parking brake rather than the pull handle or push pedal. If you have the electromechanical parking brake, it will engage automatically when you are in Park and turn the engine off. That makes it difficult to do the rear rotors


I have that (donít all e70s?), yet mine does not behave like that. Could it be us spec cars have that feature coded in?

Edit; If the parking brake is of the kind that is integrated into the brake caliper it may well be an issue, yet (older) e70s merely have an electronic actuator of an old fashioned lever/bowden cable system. That difference may matter.

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Last edited by deroy; 09-23-2019 at 09:14 AM.
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Old 09-23-2019, 12:19 PM
twh twh is offline
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Quote:
Originally Posted by deroy View Post
I have that (donít all e70s?), yet mine does not behave like that. Could it be us spec cars have that feature coded in?

Edit; If the parking brake is of the kind that is integrated into the brake caliper it may well be an issue, yet (older) e70s merely have an electronic actuator of an old fashioned lever/bowden cable system. That difference may matter.

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I don't know about the entire vintage of E70. My 2009 E70 is electromechanical, but the wheel itself is a traditional cable setup. So, a motor pull on the cable to each rear wheel.

My E60 is purely mechanical and has a lever in the center console.

All I did when I did the E70 brakes was to follow the E70 "car wash" procedure to ensure the parking brake was not engaged and then use the E60 manual lever procedure. It worked fine. It isn't complicated. Instead of a manual lever, there is just a motor pulling the cable.
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