2013 BMW M6 Wheel Interchange
2013 BMW M6 Wheel Fitment and Interchange Guide
Known OEM Fitment For 2013 BMW M6
The following specifications were provided for this vehicle. Some values may represent different factory packages or front vs rear axles. Do not mix and match numbers across packages. If something is unknown or varies by trim, verify it on your car using the calculator on this page, the tire placard on the driver door jamb, and BMW OEM documentation.
| Spec | Value | Notes |
|---|---|---|
| Bolt pattern | 5x120 | 5 studs on 120 mm PCD |
| Center bore | 72.6 mm | Hub-centric to BMW, wheels with larger bores require rings |
| Thread size | M14 x 1.25 | Verify bolt length and seat type for the wheel used |
| Rim diameter | 20 in | May be package or axle specific |
| Rim width | 9.0 in | May be front only or part of a staggered set |
| Wheel offset | ET 32 mm | Compare changes in the calculator before purchase |
| Backspacing | 5.76 in | Treat as a standalone measured value, re-check on your wheel |
| Tire section width | 265 mm | Width may vary front to rear on staggered setups |
| Tire aspect ratio | 40 | Verify on your door placard |
| Tire rim diameter | 19 | Listed tire size is R19 while rim diameter above is 20 in. This indicates multiple OEM packages. Confirm what your car has. |
Important: The 2013 BMW M6 commonly came with staggered wheel and tire sizes. Measure and record both front and rear before ordering.
How To Use The Wheel Interchange Calculator
- Set your vehicles. In the calculator, choose the donor vehicle or input custom wheel and tire sizes under Wheels from, then set Installed on to 2013 BMW M6.
- Enter custom wheel size. Adjust rim diameter, width, and offset for the donor side. The tool will compute inner clearance and outer poke changes vs your M6 baseline.
- Enter custom tire size. Set section width and aspect ratio. When you change rim diameter, the tool updates overall tire diameter so you can track speedometer and fender clearance impact.
- Check fitment deltas. Review inner clearance change to suspension and brakes, outer position change toward the fender, and overall diameter difference. Aim to keep diameter change within about 3 percent and maintain safe clearances.
- Verify fundamentals. Confirm bolt pattern 5x120, center bore 72.6 mm or larger with rings, and M14 x 1.25 hardware compatibility. The calculator compares size geometry, but you must also confirm these mechanical interfaces.
- Account for staggered setups. Run the comparison for the front axle and again for the rear if sizes differ.
- Confirm with OEM sources. Cross-check critical specs against your door placard, owner manual, and BMW parts catalog before buying.
Fitment Checklist Before You Buy
- Bolt pattern: Must be 5x120.
- Center bore: Wheel bore must be 72.6 mm or larger. Use hub-centric rings if larger. Do not force a smaller bore onto the hub.
- Offset and width: Use the calculator to keep inner clearance to strut, spring, and liners, and to avoid excessive outer poke into the fender. Small offset changes are usually safer than large ones.
- Brake caliper clearance: The M6 has large brakes. Verify spoke and barrel clearance with a physical test fit when possible.
- Tire overall diameter: Keep within about 3 percent of your OEM tire diameter for speedometer and DSC system stability.
- Load rating: Wheel and tire load index must meet or exceed the OEM specification for the M6.
- TPMS: Confirm sensor compatibility and frequency with BMW documentation for your VIN.
- Hardware: Match seat type to the wheel, confirm M14 x 1.25 thread, and ensure proper bolt length and hub engagement.
- Staggered sets: Confirm both front and rear sizes and that your tires are directional or non-directional as needed.
- Spacers, if used: Choose hub-centric spacers with sufficient hub lip and use extended hardware. Re-check clearance and torque.
Plus Sizing And Common Upgrades
Plus sizing changes wheel diameter while trying to keep overall tire diameter similar. Use the calculator to verify before purchase.
- Example diameter math: If your OEM tire is 265/40R19, the diameter is about 27.35 in. A typical plus-1 example is 265/35R20 which is about 27.30 in. This is an example only. Confirm exact front and rear sizes on your car.
- Width changes: Increasing wheel width pushes the tire sidewall outward roughly half the width change on each side. Use the offset control in the calculator to center the tire within the fender well.
- Offset guidance: Keeping offset changes modest helps preserve scrub radius and bearing load. Use the calculator to visualize inner and outer movement in millimeters.
- Staggered performance sets: Many performance setups use wider rears than fronts. Verify both axles independently for diameter, poke, and brake clearance.
Installation Tips
- Test fit first. Mount each wheel without a tire to confirm hub bore fit, brake caliper clearance, and spoke-to-caliper spacing.
- Clean the hub face. Remove rust and debris. A clean, flat mating surface prevents runout and vibration.
- Use hub-centric rings when needed. If the wheel bore is larger than 72.6 mm, install proper rings before tightening bolts.
- Check hardware. Verify M14 x 1.25 thread, correct bolt seat type for your wheels, and adequate thread engagement. Do not use damaged hardware.
- Tighten by hand first. Start bolts by hand, snug in a star pattern, then torque to the BMW OEM specification from your owner manual or service information.
- Re-torque after driving. Re-check torque after 50 to 100 miles and after any temperature cycles.
- TPMS service. Install compatible sensors and perform relearn according to BMW procedures for your VIN.
Tools And Helpful Supplies
- 1/2 inch drive torque wrench for accurate wheel bolt torque
- Wheel hanger guide pin M14 x 1.25 to align heavy wheels on bolts
- Hub-centric rings 72.6 mm ID when using aftermarket wheels with larger bores
- Digital tire pressure gauge to set pressures after installation
FAQs
-
What is the bolt pattern on the 2013 BMW M6?
5x120. Always verify the donor wheel matches 5 studs on a 120 mm pitch circle.
-
Do I need hub-centric rings on this car?
If the wheel center bore is larger than 72.6 mm, use rings sized 72.6 mm inner to your wheel’s outer bore. If the wheel bore is exactly 72.6 mm, no ring is needed. Never try to fit a wheel with a smaller bore than 72.6 mm.
-
My tire label shows 19 inch tires but I see 20 inch wheel info here. Which is correct?
The M6 was offered with multiple factory wheel packages, and sizes can differ front to rear. Rely on your vehicle’s placard and what is currently installed, then use the calculator to compare any new setup to your exact baseline.
-
What offset range works on the 2013 M6?
Offset needs depend on wheel width and brake clearance. Start from your OEM offset and use the calculator to keep inner clearance safe and outer poke within the fender. Keep changes modest and test fit when possible.
-
Can I rotate tires on a staggered setup?
Usually no front to rear rotation on staggered sets. You may rotate side to side if the tires are non-directional. Directional tires can be swapped left to right only if remounted to maintain rotation direction.
-
What torque should I use on the wheel bolts?
Use the BMW OEM torque specification for your VIN from the owner manual or service information. Do not guess. Torque in a star pattern and re-check after driving.
-
Are spacers safe on the M6?
Quality hub-centric spacers with proper hub lip and matching extended M14 x 1.25 hardware can be used when needed. Verify clearance, do not exceed safe thread engagement, and confirm with the calculator and a physical test fit.
Use the on-page calculator at wheelinterchange.com to compare donor wheels and tires against your 2013 BMW M6 and confirm fitment before you buy.
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