The most common thread sizes of BMW i5 lug bolts are M14x1.25mm. The basic function of wheel lug bolts is to secure the wheels. To keep the wheels centered and balanced on the vehicle, this bolt connection is important. Since most OEM BMW lug bolts are made of steel. Due to the element reaction, the threads may corrode or rust and become dirty. In this case, it is necessary to replace the BMW wheel bolts. When it comes to customizing your rims with some pretty wheel bolts, the options are abundant.

Only the seat types match can your wheels be properly mounted. Therefore, if you get aftermarket wheels, you are likely to change the stock BMW i5 wheel bolts. The seating type refers to the part of the bolt that makes contact with the wheel lug seat. The conical seat is a beveled 60-degree angled tapered. The ball seat is inverted bowl-shaped. And the flat seat is completely flat in shape. Besides, the length of BMW i5 wheel bolts is also vital.

What Size Lug Bolts Are on A BMW i5 BONOSS Forged ISO Grade 12.9 Strong M14x1.25 Wheel Bolts CHZ

Can You Trust Aftermarket BMW i5 Lug Bolts?

High-quality BMW i5 lug bolts provide a better installing experience as well as good safety. Although there are abundant BMW wheel bolt options, BONOSS can help to choose the right set with no concern. BONOSS forged ISO grade 12.9 BMW lug bolts are made of high-strength SCM440 alloy steel. They are all ISO grade 12.9 certified. Such wheel bolts are surely strong enough to handle forces: tensile strength≥1,282 Mpa, limited life range test ≥ 2,000,000 stress cycles without damage, ultimate tensile load ≥ 152,000N, hardness (HV)≥395.

Besides, these BONOSS forged BMW i5 wheel bolts are designed with floating seats. The floating seats are replaceable which allows for a perfect fit on any wheel. They are mainly available in two options depending on lug bolt size: conical seat and ball seat. The separate design eliminates the bolts loosening and the abnormal sound caused by the PCD hole coaxially deviation between the vehicle hub and wheels while driving. Since the floating seats are not fixed, they can effectively prevent your beautiful wheels from being scratched by the bolts.

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