Bolt Pattern5x120
Center Bore72.6
Stud SizeM 12x1.5
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Detailed tire and wheel breakdown for the 2005 BMW M5

Tire geometry — 255/40R19

The 255/40R19 fitted to the 2005 BMW M5 has a section width of 255mm and an aspect ratio of 40%, mounted on a 19-inch rim. That gives a sidewall height of 102.0mm (4.02") and an overall outside diameter of 686.6mm (27.03"). At highway speed this tire completes roughly 464 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.

Plus-sizing window

If you want to upsize wheels on the 2005 BMW M5 while keeping the speedometer accurate, target a 265/34R20 (plus-one). For a softer ride or winter setup, a 245/47R18 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.

Wheel fitment specs

The 2005 BMW M5 uses a 5x120 bolt pattern with a 72.6mm hub bore. Safe rim width range for the OEM tire is 8.0J – 9.0J, and offsets in the ET7 – ET17 window will clear suspension and fender without rubbing on most setups.

Staggered setup notes

The 2005 BMW M5 ships staggered: 255/40R19 up front and 285/35R19 on the rear. That is a 285mm vs 255mm width difference — do not rotate front-to-rear, and replace tires in axle pairs to keep ABS and traction control balanced.

Tire pressure guidance

Manufacturer-recommended cold tire pressure for the 2005 BMW M5 is printed on the driver-side door jamb sticker — always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.

Fitment Specifications

Engine & TrimTire SizeRim SizeOffset (ET)
V10255/40R19
Rear: 285/35R19
19" x 8.5ET12

Frequently Asked Questions

What tire size does the 2005 BMW M5 V10 use?

The 2005 BMW M5 V10 uses 255/40R19 tires as standard equipment.

What is the bolt pattern of the 2005 BMW M5 V10?

The 2005 BMW M5 V10 has a 5x120 bolt pattern with a center bore of 72.6mm.

What is the wheel offset of the 2005 BMW M5 V10?

The 2005 BMW M5 V10 has a wheel offset of ETET12.