Audi RS3 Facelift sedan problem after changing new wheels

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Harri Haimakka

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Hello!

I replaced my stock 19" wheels with OZ Ultraleggera 19" wheels (front 8,5" and rear 8,0", also stock tires (front 255/30R19 and rear 235/35R19). After the replacement you can feel small vibration in the rear on low speed (10-20km/h)when turning steering wheel. When driving straight no problem. Car worked perfectly fine with stock wheels. Do you have any idea what can cause this?

Car is RS3 2019 Sedan, driven 35tkm.
 
Last edited:
Harri Haimakka said:
Hello!

I replaced my stock 19" wheels with OZ Ultraleggera 19" wheels (front 8,5" and rear 8,0", also stock tires (front 255/30R19 and rear 235/35R19). After the replacement you can feel small vibration in the rear on low speed (10-20km/h)when turning steering wheel. When driving straight no problem. Car worked perfectly fine with stock wheels. Do you have any idea what can cause this?

Car is RS3 2019 Sedan, driven 35tkm.
Click to expand...

Have you moved to a lower offset wheel ?


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Are they a hub centric wheel and do you have the correct ring if required.
 
I don’t know about the offset but it is possible that its not the same. Maybe it can affect so that the haldex/rear differential is not working properly and that is causing the problem?


T-1000 said:
Have you moved to a lower offset wheel ?


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Click to expand...
Harri Haimakka said:
Hello!

I replaced my stock 19" wheels with OZ Ultraleggera 19" wheels (front 8,5" and rear 8,0", also stock tires (front 255/30R19 and rear 235/35R19). After the replacement you can feel small vibration in the rear on low speed (10-20km/h)when turning steering wheel. When driving straight no problem. Car worked perfectly fine with stock wheels. Do you have any idea what can cause this?

Car is RS3 2019 Sedan, driven 35tkm.
Click to expand...
 
Harri Haimakka said:
I don’t know about the offset but it is possible that its not the same. Maybe it can affect so that the haldex/rear differential is not working properly and that is causing the problem?
Click to expand...

If i were you i'd make sure they were 1) Balanced correctly 2) mounted correctly 3) Inflated correctly look for the simple things 1st.
 
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OZ rears will need a spigot ring. I just did the same thing but on Sportback. Without that ring you'll have the issues you mention.
 
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Harri Haimakka said:
Hello!

I replaced my stock 19" wheels with OZ Ultraleggera 19" wheels (front 8,5" and rear 8,0", also stock tires (front 255/30R19 and rear 235/35R19). After the replacement you can feel small vibration in the rear on low speed (10-20km/h)when turning steering wheel. When driving straight no problem. Car worked perfectly fine with stock wheels. Do you have any idea what can cause this?

Car is RS3 2019 Sedan, driven 35tkm.
Click to expand...

EDIT: I didn't see that you said it was on stock tyres which should be the RO2 version. I'll leave my comment for others if they don't know about it :)

Did you make sure the tyres are RO2 marked? Otherwise you're driving on tyres with too large difference in circumference which f*cks up the quattro/haldex. The RO2 marking makes sure the the circumference is the same even though it normally wouldn't be with 255/30 and 235/35 tyres.
 
Lehn said:
EDIT: I didn't see that you said it was on stock tyres which should be the RO2 version. I'll leave my comment for others if they don't know about it :)

Did you make sure the tyres are RO2 marked? Otherwise you're driving on tyres with too large difference in circumference which f*cks up the quattro/haldex. The RO2 marking makes sure the the circumference is the same even though it normally wouldn't be with 255/30 and 235/35 tyres.
Click to expand...

This has been debunked elsewhere and this information is misleading to the problem at hand. Even with the weird Pirelli differences in dimensions, they're still within the difference margin Quattro can tolerate.

The problem is likely the spigot (as vibration happens with shearing force on the wheel when turning). When at low speed the wheel rotates slightly due to play and the friction of the tyre pulls it back "straight" continually.
 
I’m actually staggered someone would fit alloys without the correct spigot rings if they were required.


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wuta3 said:
This has been debunked elsewhere and this information is misleading to the problem at hand. Even with the weird Pirelli differences in dimensions, they're still within the difference margin Quattro can tolerate.

The problem is likely the spigot (as vibration happens with shearing force on the wheel when turning). When at low speed the wheel rotates slightly due to play and the friction of the tyre pulls it back "straight" continually.
Click to expand...

Thank you, very good to know that it will not affect/damage the haldex. Im running the dunlop sportmaxx RT2. I have the original aluminium spigots that came with the wheels. Do you have any solution for this problem?
 
Harri Haimakka said:
Thank you, very good to know that it will not affect/damage the haldex. Im running the dunlop sportmaxx RT2. I have the original aluminium spigots that came with the wheels. Do you have any solution for this problem?
Click to expand...

Put the spigots into the alloy.....


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Harri Haimakka said:
In my previous message i dint mean that the car is running now without the spigots im not that stupid lol
Click to expand...

Ok....... it's just when you said you 'had the spigots' it wasn't 100% whether they were in the wheels or not lol......

Have you taken the rears off and checked everything over ?

Are the spigots a nice fit on the hubs ?
 
T-1000 said:
Ok....... it's just when you said you 'had the spigots' it wasn't 100% whether they were in the wheels or not lol......

Have you taken the rears off and checked everything over ?

Are the spigots a nice fit on the hubs ?
Click to expand...


Yes i need to check if the spigots is fitted correctly. I made an ESP reset (hold ESP button 10sec down) and put more pressure to rear tires (2.7bar—>3.0bar) and it went better . Will have to test more now but seems that these to fixed the problem
 
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