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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Strange anomaly. Happen to you?



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      12-17-2005, 10:17 PM   #1
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Strange anomaly. Happen to you?

I don't have comfort access. I used the fob to unlock the door as usual. I inserted the fob in the ignition. When I stepped on the brake preparing to press START, it felt like there was positive resistance from the brake pedal. It wouldn't depress at all, was very firm. When I pressed START, nothing happened. Silence. The dash lights and parking lights came on when I insterted the key, but it wouldn't start.
I took the fob out, locked and unlocked the doors, and everything worked normally. Brake pedal depressed, and the engine started. No warning lights or anything, and it hasn't happened again all day.
Has this happened to you? I'm very curious why the brake pedal would feel like that.
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      12-17-2005, 10:24 PM   #2
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      12-17-2005, 11:22 PM   #3
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dude i seriously think you didnt insert the key correctly. Try puttin in the key but not all the way in and you'll know what i mean. Sometimes you THINK the key is in but it is. Happened to me a few times...
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      12-18-2005, 12:41 AM   #4
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Quote:
Originally Posted by Schweitzer
I don't have comfort access. I used the fob to unlock the door as usual. I inserted the fob in the ignition. When I stepped on the brake preparing to press START, it felt like there was positive resistance from the brake pedal. It wouldn't depress at all, was very firm. When I pressed START, nothing happened. Silence. The dash lights and parking lights came on when I insterted the key, but it wouldn't start.
I took the fob out, locked and unlocked the doors, and everything worked normally. Brake pedal depressed, and the engine started. No warning lights or anything, and it hasn't happened again all day.
Has this happened to you? I'm very curious why the brake pedal would feel like that.
I think the aliens were around
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      12-18-2005, 12:57 AM   #5
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Quote:
Originally Posted by BMWE90
Try puttin in the key but not all the way in and you'll know what i mean. Sometimes you THINK the key is in but it is. Happened to me a few times...
OK .....mind.....gutter.... stop
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      12-18-2005, 12:58 AM   #6
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Quote:
Originally Posted by BMWE90
dude i seriously think you didnt insert the key correctly. Try puttin in the key but not all the way in and you'll know what i mean. Sometimes you THINK the key is in but it is. Happened to me a few times...

Yep, what he said. If you put in the fob, then push on it some more to make sure its in all the way, you'll actually make it pop back out. Then you'll get what you got.
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      12-18-2005, 02:34 AM   #7
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Quote:
Originally Posted by Schweitzer
I don't have comfort access. I used the fob to unlock the door as usual. I inserted the fob in the ignition. When I stepped on the brake preparing to press START, it felt like there was positive resistance from the brake pedal. It wouldn't depress at all, was very firm. When I pressed START, nothing happened. Silence. The dash lights and parking lights came on when I insterted the key, but it wouldn't start.
I took the fob out, locked and unlocked the doors, and everything worked normally. Brake pedal depressed, and the engine started. No warning lights or anything, and it hasn't happened again all day.
Has this happened to you? I'm very curious why the brake pedal would feel like that.
i think i know what u mean. i noticed this happening to my car every morning after i got the software update so not sure if it's related. the brake pedal is absolutely stiff (like if you stepped on it multiple times after u turn the car off)..so much so i have to put a lot of pressure on it before the car starts. once the car starts, the brake pedal becomes soft again. weird...
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      12-18-2005, 04:17 AM   #8
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Quote:
i noticed this happening to my car every morning after i got the software update
Strange coincidence. I just had my software update as well. An earlier post suggested the cause was a wrongly inserted fob, but that wasn't the case for me because I inserted and retracted the fob several times. Only when I started from scratch and locked and unlocked the doors did everything work. But so far it is just a one-time anomaly.
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      12-18-2005, 04:24 AM   #9
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it happened to me a few time and i have a july production car.
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      12-18-2005, 04:32 AM   #10
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May '05 production.
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      12-18-2005, 07:41 AM   #11
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I haven't had that exact problem. Although sometimes when I get in the brake pedal is very stiff. Haven't had any starting problems though.
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      12-18-2005, 07:45 AM   #12
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      07-08-2007, 06:52 PM   #13
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This just happened to me for the first time three days ago. Post March 07 build date...Got in the car, pedal had a lot of resistence, hit the start button and the car would not turn over. Lights, air, etc running but, it wouldn't turn over. Locked it, unlocked it and pumped the brake hard. I could feel it give a little and the car started. Happened again this morning after sitting all night. Anyone with a solution?
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      07-08-2007, 06:59 PM   #14
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ive had this exact problem a few times. even before i had my software upgrade... something locks up the brake.
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      07-08-2007, 07:15 PM   #15
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strange anomaly? as opposed to normal anomaly?
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      07-08-2007, 08:54 PM   #16
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Happens occasionally. I just press the start button and it starts normally though.
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      07-08-2007, 08:59 PM   #17
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That's because the brake is operated by a hydraulic-pump.

No ignition power => no hydraulic-pump.

Try turning the ignition off, press a few times on the brake-pedal, it will become "hard" again.
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      07-08-2007, 09:08 PM   #18
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this happened to me before, but never again never really bothered to take it in to let the dealer have a look at it....
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      07-08-2007, 09:13 PM   #19
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Quote:
Originally Posted by achien View Post
That's because the brake is operated by a hydraulic-pump.

No ignition power => no hydraulic-pump.

Try turning the ignition off, press a few times on the brake-pedal, it will become "hard" again.
Then it should always occur? It only happens occasionally.
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      07-08-2007, 09:19 PM   #20
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Quote:
Originally Posted by Taittinger View Post
Then it should always occur? It only happens occasionally.
Yes, it should always occur.

Before starting your car in the morning, try to press on your brake-pedals multiple times, it will always turn stiff/hard.

There may be some residual hydraulic fluids left inside the pump which will soften up the brake-pedal initially, but if no ignition is on, the hydraulic fluid will eventually run out and the brake-pedal will turn stiff/hard again.

You can try to out now.
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      07-09-2007, 02:11 PM   #21
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Quote:
Originally Posted by canucklion View Post
strange anomaly? as opposed to normal anomaly?
It's like on the news when they report someone's "untimely death". I'm trying to figure what kind of death is "timely" so I avoid it.
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      07-09-2007, 03:59 PM   #22
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Quote:
Originally Posted by achien View Post
Yes, it should always occur.

Before starting your car in the morning, try to press on your brake-pedals multiple times, it will always turn stiff/hard.

There may be some residual hydraulic fluids left inside the pump which will soften up the brake-pedal initially, but if no ignition is on, the hydraulic fluid will eventually run out and the brake-pedal will turn stiff/hard again.

You can try to out now.
i think most people are complaining because the brake pedal is stiff even without pressing on the brake multiple times. i had it happen to me a couple times when my car was new (back in 2005). hasn't happened ever since. i think the software updates along the way might've solved this issue.
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