Hi everyone!
My car is BMW E46 318i M43 118 HP from 1998.04. The main problem is the red brake control appearing on my dashboard (clocks). I want to fix it for my safety.
I have already checked:
- Brake fluid is full (I bought used brake reservoir and replaced- nothing changed)
- ASC and ABS is working perfectly (there is not any errors in INPA or orange ASC error)
- The voltage on brake reservoir exist ~12V
- Hard brake sensor is working (we can hear beeping while we move car when we manual brake applied)
Do you have any clue what can I do ?
I am asking you for any suggestions.
PS. sorry for my english
Last edited by K0J0T; 12-12-2018 at 06:24 PM.
Nobody can help?
Check front&rear brake pad wear sensors, if they are ok and not worn down.
Scan for codes with a scan tool/code reader that is also able to clear codes.
Once codes/errors are cleared, the brake warning lamp should remain off.
The switch for the parking brake could be bad, could have a broken or missing wire or it may need adjustment. Just pull the black leather parking brake cover off and check the switch.
INPA not showing errors may mean there are no errors to be found, that everything is working as it should.
Listen to MarcoZ above, he knows.
Charlie
Your mission, should you decide to accept it, is to add value to these threads, either by pictures or by descriptions, so the next person with the same or similar problem stands on your shoulders.
The trick on the pad sensor is that they short to ground and turn on the pad wear light...the sensors are one-time use, they need to be replaced if they come on, i.e., if you wait to replace the pads at <2mm. Similarly, if the wire to †he brake pad wear sensor is compromised or shorted tø ground, the pad warning will come øn. Many people just cut the wire to the sensor and tape it up...I guarantee you you will know when the pad is worn †ø metal by the screech. However, it will score the rotor but the rotor is more than likely worn below its wear limit anyway.
I replaced all four corner brake pads at around 66K on my M3 including wear sensors...it's kind of a hassle to go way to the chassis junction box for the connector on the pad wear sensor when many ø†her mfr's have the connector near the caliper.
Try bleeding the brake system.
Do a complete system flush by bleeding at each caliper,evenly distributing a new 1Liter of fluid among them.
When bleeding the system bleed them in the correct order-rear right, rear left, front right, front left,
and clutch if manual trans.
You don't mention the front being bled.
You have to be sure of the whole system.
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