Steering wobble

FISH03

Member
Hi all , need some advice on what to do regarding my steering wobble .

Fitted some aftermarket wheels to my f30 m sport over the weekend specs are as follows :

Front 8.5J ET35
Rear 9.5J ET35

Used the tyres off my OEM 403M

The wheel shop balanced , aligned ext . No spigot rings were required as the wheel was hub centric .

Since fitting the wheels I’ve been getting slight steering wobble at average speeds 80Km ext

Can anybody please advise on what to check as with the OEM wheels this was not present .
 

Stompie

Member
Usually steering vibration between 60-80 is balancing or could be flat spot.

When they changed the tyres over from the old rims to the new rims, did they put the back tyres on the new wheels on the back or the front.
 

FISH03

Member
Its narrows and wides so fronts went to front and vice versa ,

i noticed this does ot happen at highway speeds but only below lets say 80Kph and below .

Tyres on left side of the vehicle have wear on the inner shoulder whereas right side is still good maybe this could be a factor .

Also this was not present before changing wheels so my feeling is balancing too but i dont know really :dunnoanymore:
 

AshG108

///Member
FISH03 said:
Its narrows and wides so fronts went to front and vice versa ,

i noticed this does ot happen at highway speeds but only below lets say 80Kph and below .

Tyres on left side of the vehicle have wear on the inner shoulder whereas right side is still good maybe this could be a factor .

Also this was not present before changing wheels so my feeling is balancing too but i dont know really :dunnoanymore:

Are the wheels new, cause my wheels did that a few times and I found the wheels had slight buckles on them
 

FISH03

Member
Wheels are brand spanking new , taking it back to the shop tomoro to do balancing again hopefully I come right will update this tread
 

Ralf*

///Member
FISH03 said:
Wheels are brand spanking new , taking it back to the shop tomoro to do balancing again hopefully I come right will update this tread

tyre vibration that occurs at very specific speeds ie 80 to 110 km/h is 90%+ wheel balancing

vibration only on deceleration, especially braking...is disk related

flat spots or "out-of-round" tyres make a distinctive woo-woo-wooo sound which gets progressively worse as you go faster, but could be pronounced at very specific speed range, but it will be present across the entire speed range
 

FISH03

Member
All sorted , balanced the front wheels again and did alignment 3 times as steering wasn’t straightening , vibration and shimmy gone , btw also torqued bolts to 140Nm as per manufacture recommendation
 
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