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Old 07-03-2012, 01:50 AM   #1
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E39 Brakes: Too Loose?

My E39's brakes seem a bit too loose (comparing it with an X5, Honda Accord, Nissan Altima, and Toyota RAV4). What I mean, it seems the car brakes slower, and so I have to press the brakes more than I am used to for it to stop. (In other words: the car travels longer than other cars I've driven for it to stop.) I noticed this with two other E39s I test drove. Is this a fixed design thing, or can this be adjusted?

It could be that the brake pedal travels longer in the E39, but is there a solution for this?

Some background: my E39 has new brake fluid, fairly good pads, and new rotors (the rotors might be warped, however).

Any insight about the issue are much appreciated.
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Old 07-03-2012, 10:41 AM   #2
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air in the brake lines , bleed them.
. m3 smg / 540 6 speed.
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Old 07-03-2012, 11:26 AM   #3
Big Chin
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Could be a few things... I don't know how relevant to your car they are...

But it could be the brake lines... as it gets hotter they get spongier, I have stainless steel lines... stops the line from flexing...

Could be the brake booster/pump...
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Old 07-04-2012, 10:02 AM   #4
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Thanks a lot. I will keep this in mind next time I take the car to the mechanic.
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Old 07-05-2012, 12:20 AM   #5
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IMO it depends on the over all brake setup but the pads that are installed on the vehicle make the biggest impression, a softer pad may be a bit more grabby and give the impression of better brake performance but when used hard they may then show there true color.
'99 E39 540iT
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Old 07-13-2012, 02:34 PM   #6
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Thanks guys for the replies. I got another E39 and the brakes are so much firmer and more responsive. The mechanic told me at the pre-purchase inspection that the brake pads have a lot of thickness left in them, and they do feel a lot better (and I feel safer with firmer brakes).

PS: My car was in an accident and it made more sense to replace it than repair it.
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