Question about 2003 BMW 325

4 Answers

Brake Pad Sensor

I had my rear brakes replaced (front brakes replaced not too long ago). The brake pad sensor is still on. Do I need to have the brake wear sensor replaced? Is that difficult to do? How much would that typically cost?

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  • bmwgirl Jun 18, 2008

    thank you for posting -- i will give that a try. yes, my front brakes are still in good shape.



  • jack-daw Dec 09, 2008

    i haveabmw 318i se my warning light came on so i got my front pads &dics changed&back pads but my warning light is still on

  • cdessie Dec 19, 2008

    2004 bmw 325i indicator/brake/light on dash still on, only front brakes pads needed changing. cmay

  • Marath Ouk
    Marath Ouk Jan 05, 2009

    Breake pad sensor light stay on even after changed new front pads. I need your assistance please.

  • Anonymous Mar 18, 2014

    03 caddy ext / service brakes stabibility system disabled!! Replaced all brake pads four months ago when problem first appeared!! Steering position sensor code came up!!

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On my bmw 325i front pads changed,indicator on dash still on,help!!

Posted on Dec 19, 2008

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Turn the key on but not the engine running wait 30 seconds and start it. if that then the sensor is a problem

Posted on Sep 11, 2008

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I found that on the 325 xi if you replace the pads in time before it gets too low you can just reset the light on the dash but if the pads get too low were it starts to rub the little electrical sensor on the driver front wheel it now trigger an open loop and no matter what you try the light will never go off until that sensor is replaced (welcome to the bmw world $$$) lucky that sensor is cheap like $27

Posted on Nov 06, 2009

When you did your rear brake replacements, the sensor has also been replaced. It goes hand in hand with the brake pads. The brake pad sensor indicator light that is showing on your dash board will turn off eventually. Meineke had my brake pads replaced and all they had to do to turn the indicator off is press the brake multiple times until the light on the dash comes off...
Also, since you replaced the rear brakes, I'm assuming that the front brakes are in good shape...
bmwguy...   

Posted on Jun 17, 2008

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SOURCE: Brake Pad Sensor

If the brake lining indicator light illuminated prior to brake pad replacement, the wear sensor should be replaced. You have to get down to the point where you remove the brake pads then carefully pry the wear sensor from the brake pad. It is not difficult. There is only one sensor in the front and one in the rear. The front one is approximately $20. (Checkout www.realoem.com. Enter your VIN and/or other vehicle info to obtain the part number and cost.)

Posted on Jan 23, 2009

  • 1 Answer

SOURCE: Brake Pad Sensor

i have replaced both front/ rear pads, and no matter what the dash light will not go off. I have disconnected both front/rear sensors, and light is still on , any suggestions?

Posted on Apr 04, 2009

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For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!! For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!

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1 Answer

Changing rear brake pads


For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also.
But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!!
For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow:
1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose!
2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper.
3. Now you must thoroughly clean the brake calipers (free of grease).
4. Remove outer brake pad from brake carrier.
5. Pull inner brake pad out of brake caliper piston.
6. Check up the brake fluid level on the reservor, and emptying if neccessary!
7. Push piston back into brake caliper housing.
8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward).
9. Install outer brake pad into brake carrier.
10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm.
11. Install both caps.
12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!

Please rate my response. Thanks!

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For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!! For front brake pads. You must buy the brake pads with wear sensor. For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow:
1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose!
2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper.
3. Now you must thoroughly clean the brake calipers (free of grease).
4. Remove outer brake pad from brake carrier.
5. Pull inner brake pad out of brake caliper piston.
6. Check up the brake fluid level on the reservor, and emptying if neccessary!
7. Push piston back into brake caliper housing.
8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exists, must point in direction of brake disc rotation when vehicle is moving forward).
9. Install outer brake pad into brake carrier.
10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm.
11. Install both caps.
12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!

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What is the procedure to replace front and rear brake pads on 1 2006 Audi A4 Quattro? It doesz not seem to be the same process as American cars.


For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!! For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!!

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3 Answers

Brake Pad Sensor


i have replaced both front/ rear pads, and no matter what the dash light will not go off. I have disconnected both front/rear sensors, and light is still on , any suggestions?

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3 Answers

BRAKE WARNING LIGHT


I dunno if this will work on your BMW, but on my BMW Z3 and M3, it was....

Turn the ignition key to position 2, but do NOT start the car. Wait for about 45 seconds and the brake warning message will be reset.

If it doesn't reset, then the brake sensor was damage. You will need to replace the brake sensor. It sounds like you replace the brake right after you saw the warning, so the brake sensor should be okay.

Dec 19, 2008 | 2003 BMW 325

1 Answer

Brake pads lights


Hi,
Make sure the brake discs are still within spec, as they usually only last the life of one set of OE pads.
Make sure your brake pads has the recess to accept the clip in wear sensor on the inner Right rear brake pad, and front drivers inside pad.
If you have refitted these, and it is defective, you may need to replace it.You can disconnect the lead and check you have continuity. - You should have on a good sensor.

When the pads wear past 2mm, the discs slice through a small plastic bump - and break a wire link - thus the light comes on the dash.

After replacement of wear sensor, leave key in 'on' position for a couple minutes and the light will go out.

If this solves the problem, please rate as a Fixya! so others may benefit. Thanks.

Jun 22, 2008 | 1999 BMW 323 Series

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