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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 07-18-2012, 12:34 PM
Papa Lar Papa Lar is offline
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Location: Nebraska
 
Join Date: Feb 2012
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Mein Auto: 2005 545i
E60 Brake Fade

I searched for a thread that addressed this issue but I couldn't find any. So I am hoping to get a little advise. I have had my '05 545i for less than a year. Recently the brakes started to act a little odd. Braking from normal speed to a stop works as expected. But as soon as I come to a complete stop the pressure needed to hold the car increases by about 3X. The pedal doesn't change position, ie it does not slowly go to the floor. It just takes a lot of pressure to hold the car motionless. If I am not careful I would start moving again. Any thoughts as to why this is happening? There are no warning lights pertaining to the brakes. I do have a light on that has to do with the steering position sensor. I am planning on cleaning it soon but have not got around to it. But I don't think that is the problem.
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Old 07-18-2012, 01:25 PM
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Campfamily Campfamily is offline
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Mein Auto: 2008 550i
Bad brake booster?
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Old 07-18-2012, 01:36 PM
Papa Lar Papa Lar is offline
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Any way to check that out without going to the dealer?
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Old 07-18-2012, 02:06 PM
bimmerfan52 bimmerfan52 is offline
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Stop by an auto store and have them read your computer to see if it is throwing a code.

Have you had brake service recently? You may have air in your brake lines.

Test the brakes in a large parking lot with nothing around. Come to a stop and see if it wants to creep forward. If it does, pump the brakes twice and see if it now holds. If so, it could be the brake booster pump.

Also check your records to see if you had service on the recall below.
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File Type: pdf RCMN-10V446-3456.pdf (36.8 KB, 66 views)
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Old 07-18-2012, 02:21 PM
Papa Lar Papa Lar is offline
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Location: Nebraska
 
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Thanks for the info. The recall was done about 10,000 miles ago just before I purchased it. And pumping the pedal does nothing.
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