2019 BMW M4 Wheel Interchange

2019 BMW M4 Wheel Interchange and Fitment Guide

You want wheels that fit, clear the brakes, and drive safely the first time. The challenge is that M4 fitment varies by trim and package, and small changes in offset or tire height can create rubbing or vibration. This page helps you translate specs into a reliable install using the on-page calculator and a few pro checks.

Goal

Choose and validate replacement or donor wheels and tires for a 2019 BMW M4 under real-world constraints: correct bolt pattern, hub fit, safe brake and fender clearance, and accurate speedometer behavior.

Prerequisites

• Access to the on-page Wheel Interchange Calculator on wheelinterchange.com.
• Your M4’s trim details and options that affect brakes or wheels. Carbon-ceramic brakes, suspension changes, and staggered setups alter clearances.
• Time to measure clearances after a test fit.
• Basic tools:
  • 1/2 inch torque wrench
  • Wheel hanger tool M14x1.25
  • Hub centric rings 72.6 mm
  • Digital caliper

Known OEM Fitment For 2019 BMW M4

The values below are from available data for this model year. Some items may vary by trim or package. If a value conflicts with your door placard or build sheet, use OEM sources as the authority and confirm with the calculator.

Important: BMW offered multiple OEM wheel and tire packages on the M4, including staggered setups and optional brake packages. Expect variation. Use your door jamb placard, build sheet, or VIN-based parts lookup to confirm your exact OEM sizes.

Step by Step

1. Confirm your baseline

• Check the driver door placard for OEM tire size and load/speed ratings.
• Inspect an OEM wheel for width and offset stamps. If missing, measure width between bead seats and read offset from the casting marks.
• Record: wheel width, diameter, offset, and tire size on your specific car. This resolves any 18 vs 19 in discrepancies.

2. Open the Wheel Interchange Calculator

• Set Installed on (your vehicle) to 2019 BMW M4.
• If you know your exact OEM size, enter it as Custom wheel size and Custom tire size to lock in a precise baseline.

3. Compare donor wheels

• Under Wheels from, select a donor vehicle if known, or enter the donor wheel’s diameter, width, and offset manually using Custom wheel size.
• Set a candidate tire size under Custom tire size if tires will change. The calculator updates tire diameter when you change rim diameter.

4. Read the clearance outcomes

• Inner clearance change: positive means more strut clearance, negative means closer to the strut or spring perch.
• Outer poke change: positive means more poke toward the fender edge. Watch for fender liner or lip contact.
• Tire diameter change: keep overall diameter change small. As a rule of thumb, stay within about 2 to 3 percent to protect gearing and speedometer calibration.

5. Respect the M4 constraints

• Bolt pattern must be 5x120.
• Center bore should be 72.6 mm. If the wheel bore is larger, use quality hub-centric rings to 72.6 mm. Do not use rings to adapt a smaller bore wheel to a larger hub.
• Thread size is M14 x 1.25. Verify lug bolt seat type matches the wheel design.
• Offset trade-off: lower ET increases poke but reduces inner clearance. Higher ET improves inner clearance but risks strut contact. Use the calculator to balance both sides.

6. Plan for tire selection

• Match load and speed ratings to OEM or higher.
• If you change rim diameter, confirm the new tire maintains a safe overall diameter for ABS and DSC systems.

7. Test fit correctly

• Clean the hub face and wheel mounting pad. Remove rust or debris.
• Use a wheel hanger tool to support the wheel on BMW’s bolt-style hubs.
• Hand start all bolts. Torque in a star pattern to the OEM specification from the owner’s manual or BMW service data.

Validation

• Spin test: With the car on a lift, rotate the wheel and check for caliper, knuckle, and liner clearance.
• Lock-to-lock: On the ground, steer full left and right while rolling slowly. Listen and feel for rubbing.
• Compression check: Drive over a speed bump at low speed. Load rear and front separately if staggered. No contact should occur.
• Highway test: Verify no vibrations. If present, recheck hub-centric fit and balance.
• Speedometer check: Compare GPS speed to cluster. Minor variance is normal. Large variance suggests unacceptable tire diameter change.

Troubleshooting

• Vibration at 50 to 70 mph: Confirm the wheel is hub-centric at 72.6 mm. Install proper rings if the wheel bore is larger. Rebalance if needed.
• Rubbing on inner fender or liner: Use the calculator to visualize offset changes. A small increase in ET reduces poke, but ensure inner strut clearance remains safe.
• Strut or control arm contact: Choose a lower ET or narrower wheel. Verify inner tire bulge clearance with at least a few millimeters gap under load.
• TPMS warning: Ensure compatible sensors are installed and initialized via iDrive. Follow BMW’s relearn procedure for your trim.
• Wheel bolts bottoming out or too short: Verify M14 x 1.25 thread and correct shank length for the wheel. You should achieve proper thread engagement per BMW guidance.
• Brake caliper interference: Some M4 packages use larger calipers. If spokes contact the caliper, you may need different wheel design or carefully sized spacers. Recalculate offset and confirm remaining hub-centric engagement.

Wrap up

The 2019 BMW M4 accepts 5x120 wheels with a 72.6 mm center bore and M14 x 1.25 bolts. Offset, width, and tire diameter changes are where most fitment problems start. Because packages vary, confirm your exact OEM baseline using your door placard and then model changes in the calculator. Validate with careful test fits and a short road test. If any spec on your car differs from the table, trust the OEM source and re-run the comparison for a safe, confident install.