Too much Negative Offset Wheels = Slight Wheel Vibration ?

lsm1991

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lsm1991

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Dear All,

One more thing i left out, the nut holes on my BMW's current rim is M14 size while the wheel hub hole is M12, therefore i custom 20 pcs of nut space to make M12 nut to make the nut fit in the M14 hole. Do you guys think that could contribute to my current issue ?
unlikely...
 

parakey

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parakey

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Dear All,

One more thing i left out, the nut holes on my BMW's current rim is M14 size while the wheel hub hole is M12, therefore i custom 20 pcs of nut space to make M12 nut to make the nut fit in the M14 hole. Do you guys think that could contribute to my current issue ?
20 pieces? What do they look like? Do you have a pic
 

Izso

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Izso

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Is your tyre sticking out from fender, if yes maybe its causing air turbulence.
this is likely since he only sees the issue at quite high speeds.

Dear All,

One more thing i left out, the nut holes on my BMW's current rim is M14 size while the wheel hub hole is M12, therefore i custom 20 pcs of nut space to make M12 nut to make the nut fit in the M14 hole. Do you guys think that could contribute to my current issue ?
what...? What is a nut space and 20 pieces of what? I'm confused. Show pics pls
 

Mitevo7

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Mitevo7

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wait... i do assume you have them centric rings in place?
Yes but when we tried with regular hub centric ring, the wheels couldn't fit. The difference between the wheel bore is only by 2 mm so we have to manually shave off the extra metal to fit the wheels in completely.
 

Mitevo7

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Mitevo7

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this is likely since he only sees the issue at quite high speeds.


what...? What is a nut space and 20 pieces of what? I'm confused. Show pics pls


Something like this, my stock 318ci lug nut is M12, while the wheels itself is M14, i have to custom a lug nut spacer just to make sure the lug nut fit in the holes completely. Those spacers actually eliminated 90% of the vibration issue but my mechanic pre-amped me the tyres are too far out, almost stick out of the fender, so i will definitely feel some vibrations.
 

lsm1991

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lsm1991

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Something like this, my stock 318ci lug nut is M12, while the wheels itself is M14, i have to custom a lug nut spacer just to make sure the lug nut fit in the holes completely. Those spacers actually eliminated 90% of the vibration issue but my mechanic pre-amped me the tyres are too far out, almost stick out of the fender, so i will definitely feel some vibrations.
ahh so its a spacer for the studs, makes sense.....

a centric ring would have been good, that is what actually centres the rim
 
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Mitevo7

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Mitevo7

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ahh so its a spacer for the studs, makes sense.....

a centric ring would have been good, that is what actually centres the rim
BMW doesn't have studs sticking out from the wheel hub, it uses nut to hold the wheels, so i think this is more like a lug nut spacer then stud, mine is totally custom make to cater my current wheels.
 

alcyon

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alcyon

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Yes but when we tried with regular hub centric ring, the wheels couldn't fit. The difference between the wheel bore is only by 2 mm so we have to manually shave off the extra metal to fit the wheels in completely.
You shouldnt be shaving off, you should use a lathe. these need to be precise.
 

Mitevo7

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Mitevo7

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You shouldnt be shaving off, you should use a lathe. these need to be precise.
It was done without my knowledge and approval, i am going to other tyre shop that specializes in wheels and look for the specific hub centric ring for my case. Before i suspect my suspension components, might want to check cheaper fixes first.
 

alcyon

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alcyon

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It was done without my knowledge and approval, i am going to other tyre shop that specializes in wheels and look for the specific hub centric ring for my case. Before i suspect my suspension components, might want to check cheaper fixes first.
This is the scary part, these people are supposed to be professionals. This is why I prefer DIY, at least I know its done right. I feel very hard to trust these so called profesionals with their "bolehlah" "cukuplah" "apalumaulagilah" attitude.
 

Mitevo7

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Mitevo7

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This is the scary part, these people are supposed to be professionals. This is why I prefer DIY, at least I know its done right. I feel very hard to trust these so called profesionals with their "bolehlah" "cukuplah" "apalumaulagilah" attitude.
Well he kept the other unshaved ring for just in case, may be i should put that up and forcefully mount it on. Have to put some grease first before putting it up.
 

lsm1991

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lsm1991

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Something like this, my stock 318ci lug nut is M12, while the wheels itself is M14, i have to custom a lug nut spacer just to make sure the lug nut fit in the holes completely. Those spacers actually eliminated 90% of the vibration issue but my mechanic pre-amped me the tyres are too far out, almost stick out of the fender, so i will definitely feel some vibrations.
i think they are generally called 'stud spacers', stud is the extended bit, doesnt matter if its on the hub or bolt (the studs can just be screwed off the hub btw)
 

Mitevo7

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Mitevo7

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OEM e46 bmw rim or? do u face any issue before you change wheel/put spacer?
It looks like BMW OEM 166 style rim, but in 17 inch size. Previously before conversion was on BMW OEM 70 style with the wheels sit nicely within the arch and no vibration issues. The BMW OEM 166 supposing has ET28 offset which pushes the tyres further out from the wheel hub.
 

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