Z4 Coupe Steering Issues

T

TIGERPOOL87

Member
Hi everyone, need some of your expertise please, especially if you have experienced something similar before.
I have Z4 Coupe.

When I am driving, especially on uneven roads, my steering is all over the place. It is like I am constantly battling with the car to drive straight. On the motorway it is not as bad, but certainly it does not drive straight.

Another example is when I am approaching a stop, the steering sometimes tends to rotate 20 degrees to the left. And sometimes its to the right, and sometimes its ok. This issue has been getting worse. Just a few months ago it wasn’t good, but certainly wasn’t this bad.

I just want to know if this is a common issue, and if not any idea what it is? Obviously I will take it to the mechanic but I would like some advice before so they do not rip me off.

Thank you for reading and your responses.
 
Do you still have run flats, these ruin the Z4 experience. As above or try moving the ring on the steering column.
 
Thank you for the reply

I do have run flats at the rear, maybe I should consider changing them over. But the bushes do sound like an issue.
How much roughly do they cost to change all the bushes as it is a 12 year old car.
 
Lollipop bushes are about £50-60 per set. :thumbsup:

Not to expensive to have fitted either as they are 'relatively' easy to do.
 
Mine was all over the place until I had the wheels balanced - amazed with the difference and less than £10 per wheel :thumbsup:
 
Fantastic response all thank you. Have contacted some local mechanics and will let you know how I get on.
Also if anyone can recommend any trustworthy and reliable mechanics in the west london (near heathrow) area please let me know.

Thank you.
 
This sounds very much like tramlining. How old/worn are the front tyres? Have the lollipops Checked first and if theyre OK Id be looking at replacing the front tyres
 
Thank you.

Just did the wheel alignment, but they told me its ok anyway. Have booked a BMW specialist to have a look now as the other garage told me the bushes aren't too bad so that may not be the issue. Lets see.
 
Where are you based, see if there's another member near you who could have a look. When I got my Zed, I thought it was out to kill me, it was all over the road and just seemed dangerous.I ditched the run flats (big improvement) and fitting 18" wheels also helped. The biggest improvement was adjusting the ring on the steering motor.
 
Hi all, glad I joined this forum, my recently purchased E86 is all over the place on the road. 19" CSL reps (non RFT) with front tyres worn on inside edge, just finished rebuilding front suspension (pics in newbies forum) and replaced (literally) everything along the way including a Bilstein b12 kit to replace the totally shagged suspension. the Z will be off the road for a few weeks having the rear bushes/arms/driveshaft bushes and gearbox mounts/diff mounts/all fluids replaced so I will try this fix and report back once finished.
Hopefully this and a set of Goodyear F1 asymmetric will cure the feeling that my car is trying to kill me, otherwise ill have to name her Christine :lol:
(the front tyres are worn on inside edge due to previous owner fitting H&R springs to original worn out shocks with stock mounts etc, lucky to catch the issues before they destroyed the car, mounts were millimetres from failure) They will be replaced along with new rear tyres (ditchfinders fitted currently) once all the work is complete along with a hunter align (already had done but will redo once work complete).
If I don't report back then please assume Christine read this post and decided against the work, or I'm in a ditch somewhere with valuable E86 parts waiting to be found :rofl:
 
Hi, dont know if your sorted and 4 your sake hope its not what happend 2 me, but is it intermittent and does your eps light come on. Let me know how you get on either way.
Michael
 
lemans1994 said:
Hi, dont know if your sorted and 4 your sake hope its not what happend 2 me, but is it intermittent and does your eps light come on. Let me know how you get on either way.
Michael
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Michael,
no lights on, just terrible handling. garage (alignment and mot centre) said its perfect and offered me a job when I first took it in after doing the work. it just inspires no confidence when driven on rough roads. Im going to strip the rear end and drivetrain soon anyway so ill def try the adjustment on the column once its all done and realigned.
What happened to you?
 
I think you’ve done everything I did to my old 3.0 in one go... tyres, all bushes, drop links, suspension, tie rod ends, geo,then my old 3.0 was awesome, though still suffered a little tramlining & for that u need to go M hydronic steering ... & then your wallet journey will begin again
 
Hi again, the early zeds have a steering coloum fault its the torgue sensor, and tried breaker part for £500 but also failed so ended up paying another £1500 for a referb part on lifetime guarantee but fit my self to save ££££££. But it starts with eps light coming on and a complete power steering fail, u will know if it happens 🤣 but fingers xd 4u
 
lemans1994 said:
Hi again, the early zeds have a steering coloum fault its the torgue sensor, and tried breaker part for £500 but also failed so ended up paying another £1500 for a referb part on lifetime guarantee but fit my self to save ££££££. But it starts with eps light coming on and a complete power steering fail, u will know if it happens 🤣 but fingers xd 4u
Click to expand...

Have you ever read this thread ?

https://z4-forum.com/forum/viewtopic.php?f=3&t=100725
 
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