Is it safe to use hub centric rings?

According to the Summit Racing tech guys, you shouldn’t use hub centric rings in these cases: Factory wheels: these are made for a specific vehicle and are made with an exact center bore diameter to fit that vehicle’s hub pilot diameter — no rings needed!

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Are BMW wheels lug centric?

Furthermore, some specific BMW models are intended to have hubcentric wheels, not lug-centric wheels. When vehicles are fitted with wheel assemblies that do not match their design, it can lead to a forfeiture of clamp force, which can literally sever the bolts that hold everything tightly together.

Is it OK to be lug-centric?

While lug-centric wheels are centered around the lug nuts rather than the hub bore, they can be safely installed without worry.

Do hub rings make a difference?

Hub centric rings keep the wheel centered on the axle during installation. A wheel that is mounted slightly off-center will vibrate while driving. It is possible to center the wheel by following Proper Installation Technique . However, hub centric rings make it easier to get right.

Why does MY BMW have a center ring on the hub?

Some BMWs, such as the E39, uses a larger center bore on the wheel (74.1mm) but most other BMWs have a 72.5mm lip on the hub. That little difference will cause the wheel to not fully seat itself on the hub, even when fully torqued down. These centering rings fill that gap and allow the wheel to rest properly on the hub.

What size hub do I need for a BMW E39?

These hub centric rings are required when fitting 74.1mm hub-bore wheels to any other 72.56mm BMW 5-lug chassis. Some BMWs, such as the E39, uses a larger center bore on the wheel (74.1mm) but most other BMWs have a 72.5mm lip on the hub. That little difference will cause the wheel to not fully seat itself on the hub, even when fully torqued down.

What is the purpose of the center ring on the hub?