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Brake Pedal Hard

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Old 10-29-2008, 01:21 PM
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Originally Posted by Thullz' post='706640' date='Oct 29 2008, 02:29 PM
I went down to Boston for the weekend and left my car parked in a garage for 5 days. On my return, the brake pedal was rock solid, wouldnt move at all when I pressed it to turn the key...once the car started it became soft again. This happended again this morning. Car drives and brakes fine otherwise. Is this normal?

Cheers
Could be normal ... probably got some of this in the brake fluid >>




http://www.rxlist.com/cialis-drug.htm#
Attached Thumbnails Brake Pedal Hard-don__t_slip_this_in_your_brake_fluid.jpg  
Old 10-29-2008, 01:26 PM
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As others have stated, nothing to worry about. Happens once in a while on my car. Seems to be if I haven't driven it for a couple of days or the weather changes more than a few degrees colder. I mentioned it to my SA when I was in for a brake flush and a couple of other things and he said it's normal.
Old 10-29-2008, 03:51 PM
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Originally Posted by CWS530' post='706876' date='Oct 29 2008, 05:26 PM
As others have stated, nothing to worry about. Happens once in a while on my car. Seems to be if I haven't driven it for a couple of days or the weather changes more than a few degrees colder. I mentioned it to my SA when I was in for a brake flush and a couple of other things and he said it's normal.
That exactly what I thought cause It happens to me more when the car hasnt been driven in like 2 days.
Old 10-30-2008, 06:31 AM
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mine is like that pretty much everytime I go to start it after it's sat for a couple of hrs
Old 10-30-2008, 08:56 AM
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Originally Posted by ktlocklear' post='707537' date='Oct 30 2008, 09:31 AM
mine is like that pretty much everytime I go to start it after it's sat for a couple of hrs
I still don't think it's cause for concern. I mean, I wouldn't schedule an appointment over it unless it's really bothering you, or your brakes are acting screwy while driving. Maybe just ask your SA on your next visit? It just seems like such a common issue. 2 cents.
Old 09-23-2009, 08:44 AM
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Originally Posted by ktlocklear' post='707537' date='Oct 30 2008, 07:31 AM
mine is like that pretty much everytime I go to start it after it's sat for a couple of hrs
I've had this, too, lately.
Pretty everytime I get in the car the brake pedal is very hard to press.
Whether the car was parked over night, or just for 5min.

I will mention it to my SA at my next visit. I am suspecting a vacuum check valve as mentioned in this post for the e90.
I will try to find out if the e60 uses the same components.

http://www.bmwtis.com/tsb/bulletins/bullet...mp/B340607g.htm
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