Not joined yet? Register for free and enjoy features such as alerts, private messaging and viewing latest posts and topics.

EPS failing in specific circumstances

Discuss problems you have had or are having with your Z4
mjennings23
Senior Member
Senior Member
Posts: 1176
Joined: Tue Mar 21, 2017 11:11 pm
Location: North West

EPS failing in specific circumstances

Post by mjennings23 » Tue Aug 22, 2017 9:45 am

After some weekend diagnostics, I know the following:

Can't find any loose cables to the column or motor.
Greasing of the engine bay components seems to have done nothing.
Fault is happening closer to straight than previously, indicating something is deteriorating.

All of this is leading me to think it is an issue with the electrics in the column or motor. Looking at prices from ECU testing and BBA, seems BBA are cheaper but their reviews on google are not good reading, so perhaps better to spend the bit more!

Any other ideas before I pull the column out this weekend?

Online
raymond.harper
Member
Member
Posts: 952
Joined: Sun Aug 14, 2016 12:30 am

EPS failing in specific circumstances

Post by raymond.harper » Tue Aug 22, 2017 9:54 am

Second hand unit if existing unit is going to cost too much. It would have to be keyed to the ECU .

mjennings23
Senior Member
Senior Member
Posts: 1176
Joined: Tue Mar 21, 2017 11:11 pm
Location: North West

EPS failing in specific circumstances

Post by mjennings23 » Tue Aug 22, 2017 10:00 am

raymond.harper wrote: Tue Aug 22, 2017 9:54 am Second hand unit if existing unit is going to cost too much. It would have to be keyed to the ECU .
Not messing about with that, hence going for a rebuild of the current unit.

EDIT: Realised I misinterpreted what you said! To be honest I'm looking at following yourself and Mat down the hydraulic route, I don't want to take another chance on an unknown second hand column that could break itself in 6 months.

Phatdan
Newbie
Newbie
Posts: 1
Joined: Mon Feb 15, 2021 9:53 am

EPS failing in specific circumstances

Post by Phatdan » Mon Feb 15, 2021 9:57 am

I'm having a similar issue with my 2006 Z4. Did you manage to resolve this?

Post Reply