Parking brake not fully effective

BravoMikeWhiskeyFoxtrot25 · 07-28-2022, 03:48 AM

Hello!

I'm getting an error message saying "Parking brake not fully effective" on my F25.
Is there something that I could personally check or do to fix it to avoid bringing the car to the mechanic?

mwat · 07-28-2022, 07:21 AM

Not sure but cool name!

Quick google says you may need a software update.

Wgosma · 07-28-2022, 08:15 AM

Scan for any fault codes- if you do not have scanning device sometimes an auto parts store will scan as a courtesy service.

Opie55 · 07-28-2022, 08:55 AM

I don't think many auto parts store scanners will pick up any codes like that. They usually have OBDII scanners which is just engine/emissions related things. As to whether there is anything you can do, it depends on your skill level. First, set the brake with the engine off in a quiet place and listen for the electric motor sound, which lasts about 2 seconds. If you hear nothing, then the whole system is not working. If you hear it, get a helper to listen at each rear wheel to see if it works on both sides. If neither works, it may be a fuse. If only one works, check the electrical connections at the wheel.

07-28-2022, 03:48 AM	#1
BravoMikeWhiskeyFoxtrot25 Registered 0 Rep 1 Posts Drives: X3 F25 Join Date: Jul 2022 Location: Finland iTrader: (0)	Parking brake not fully effective Hello! I'm getting an error message saying "Parking brake not fully effective" on my F25. Is there something that I could personally check or do to fix it to avoid bringing the car to the mechanic?
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07-28-2022, 07:21 AM	#2
mwat Second Lieutenant 131 Rep 290 Posts Drives: E46 M3 & LCI X3 35i M Sport Join Date: Jul 2014 Location: South Florida iTrader: (0) Garage List 2016 BMW X3 35i [0.00] 2001 BMW M3 [0.00]	Not sure but cool name! Quick google says you may need a software update.
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07-28-2022, 08:15 AM	#3
Wgosma Lieutenant Colonel 809 Rep 1,911 Posts Drives: 2012 F25 X3 28i (N52) Join Date: Sep 2018 Location: Northern Nevada iTrader: (0)	Scan for any fault codes- if you do not have scanning device sometimes an auto parts store will scan as a courtesy service.
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07-28-2022, 08:55 AM	#4
Opie55 Colonel 1204 Rep 2,913 Posts Drives: '15 650i Convertible Join Date: Apr 2018 Location: US iTrader: (0)	I don't think many auto parts store scanners will pick up any codes like that. They usually have OBDII scanners which is just engine/emissions related things. As to whether there is anything you can do, it depends on your skill level. First, set the brake with the engine off in a quiet place and listen for the electric motor sound, which lasts about 2 seconds. If you hear nothing, then the whole system is not working. If you hear it, get a helper to listen at each rear wheel to see if it works on both sides. If neither works, it may be a fuse. If only one works, check the electrical connections at the wheel.
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