[Martyp56]

Hi any one here had a problem with erroneous warnings, I am getting Brake, Anti lock systems and tyre inflation warnings. I have checked everything, brakes are fine no loss of fluids, antilock seems to be Ok and all tyre inflations are good..
I have a 56 plate E91 330i recently replaced F,N,S calliper and flexi plus a new Coil pack on #4 and new plugs all round. all then the next day the warnings started. Any ideas would be wellcome.

Thanks

Martin

[therealdb1]

I doubt if these are erroneous warnings but sounds like a dodgy ABS wheel sensor to me.
Check the front nearside to make sure you haven't pulled the wire out or damaged the sensor.
Next job is to hook up a code reader that can give you live data to check the sensor outputs with the wheels rotating.

[0l0dom0l0]

Need to pull fault codes. If the fault is present then goes away it is either a faulty ABS sensor or the ABS pump needs to be refurbished.

[dragerboy]

Bizarrely I had this issue a few weeks ago. I believe in my case it was a sticking rear caliper. Noticed that one side had a lot of heat coming out of it.

On the 2 hour drive home it vanished and the drivers side rear didn't seem any hotter than the passenger side. I did jack up the car and could not push the piston back in. Used a little vice type thing and managed to get the piston moving back and forth nicely. Code has not happened again.

[Martyp56]

Thanks I will look into these ideas.

[Rich_D]

Scan for codes, it will be an ABS wheel speed sensor, I had the same last year.