2015 BMW i3 Wheel Interchange

2015 BMW i3 Wheel Interchange, Specs, And Fitment Guide

Known OEM Fitment For 2015 BMW i3

The values below reflect the known factory fitment information available for the 2015 BMW i3. If a spec varies by trim or is not listed, verify it using your door jamb tire label, the owner manual, and the on-page calculator before purchasing parts.

Notes:

• Some BMW i3 configurations may use different tire widths front to rear. If your door label shows different sizes, keep a staggered setup unless you have confirmed a square conversion using the calculator and OEM clearances.
• If any of your existing wheel or tire markings differ from the table, measure and confirm before ordering replacements.

How To Use The Wheel Interchange Calculator

The calculator lets you compare a donor wheel and tire to your 2015 BMW i3 and test custom sizes. It displays inner clearance to the suspension, outer poke vs fender, and overall tire diameter changes.

• Step 1. In Wheels from donor vehicle, enter the wheel and tire specs you want to try. If you only know wheel size, enter that and leave the tire fields blank until you choose a tire.
• Step 2. In Installed on your vehicle, select 2015 BMW i3 so the tool uses your OEM baseline.
• Step 3. Use Custom wheel size to adjust rim diameter, width, and offset. The calculator will update inner and outer positions so you can see if clearance improves or gets tighter.
• Step 4. Use Custom tire size to change section width and aspect ratio. When you change rim diameter, the comparison updates total tire diameter automatically so you can keep rolling diameter within your preferred tolerance.
• Step 5. Check inner clearance. Keep a safety margin for suspension, struts, and liners. Any negative inner clearance indicates interference.
• Step 6. Check outer position. Excessive poke can contact the fender on bumps or turns.
• Step 7. Review tire diameter difference. For speedometer, ABS, and traction control, try to keep total diameter change minimal. Many installers aim for about 0 to 3 percent variance.
• Step 8. If the donor wheel center bore is larger than 66.7 mm, plan for hub-centric rings that step down to 66.7. If smaller, the wheel will not seat without machining.

Fitment Checklist Before You Buy

• Pattern and hub
  • Bolt pattern must be 5x112.
  • Center bore must be 66.7 mm or use rings to 66.7 if the wheel bore is larger.
  • Hardware must match seat style of the wheel and thread size M14 x 1.25. Do not reuse hardware that does not match the wheel seat type.
• Offset, width, and clearance
  • Use the calculator to confirm inner clearance to struts, spring perches, and liners.
  • Confirm outer position for fender and bumper clearance at full lock and compression.
  • Backspacing changes with width and offset. Compare to the known baseline backspacing of 4.19 in.
• Tires
  • Match load index and speed rating to meet or exceed OEM. EV curb weight and torque demand proper ratings.
  • Check overall diameter change in the calculator. Target minimal variance for proper speedometer and stability control function.
• Brakes and TPMS
  • Verify spoke and barrel clearance over calipers.
  • Order compatible TPMS sensors and follow BMW reset procedures if applicable.
• Spacers or rings
  • If using hub-centric spacers, confirm hub engagement and use appropriate extended hardware.
  • If using hub-centric rings, select rings that step the wheel bore down to 66.7 mm.
• Torque and procedures
  • Lug bolt torque can vary by wheel and model year. Check the owner manual or BMW service information for the exact torque and follow the OEM tightening pattern.

Plus Sizing And Common Upgrades

Many owners consider alternative widths or diameters. The i3’s OEM setup is tuned for efficiency and clearance, so changes require careful checks.

• Maintaining tire diameter
  • Use the calculator to keep total tire diameter close to stock. This helps preserve speedometer accuracy and driver assistance behavior.
• Width changes
  • Wider wheels and tires can improve grip but reduce efficiency and may introduce fender or strut interference. Model all changes in the calculator before purchasing.
• Offset tuning
  • Adjusting offset changes inner clearance and outer poke. Use the calculator to visualize the impact and aim for safe clearances on both sides.
• Square vs staggered
  • If your door placard lists different front and rear sizes, you have a staggered OEM setup. Converting to a square setup affects handling balance and rotation options. Validate with the calculator and confirm with an experienced installer.
• Efficiency and range
  • Heavier wheels and stickier tires can reduce range. Consider wheel weight and low rolling resistance tire options if efficiency is a priority.

Installation Tips

• Preparation
  • Work on a level surface. Chock wheels and use properly rated jack stands.
  • Inspect hub faces. Clean rust and debris so wheels seat flush on the 66.7 mm hub.
  • Test-fit one corner first. Spin by hand to check for rubbing before lowering the vehicle.
• Mounting
  • BMW uses lug bolts. A guide or hanger pin can help align the wheel without cross-threading.
  • Hand start all bolts. Do not use power tools to start threads.
  • Tighten in a star pattern. Final torque should follow BMW specifications from the owner manual or service literature.
  • Do not lubricate threads or seats unless specified by BMW. Torque values assume clean, dry threads unless otherwise stated.
• After installation
  • Re-torque after the first 50 to 100 miles.
  • If TPMS is equipped, perform the reset or relearn using the vehicle menu or a compatible scan tool per BMW procedure.
  • Check for any rubbing at full steering lock and over bumps.

Tools And Helpful Supplies

• Torque wrench, 1/2 inch drive
  • Shop torque wrenches
• Correct size lug bolt socket and breaker bar
• Low-profile floor jack and jack stands
  • Shop jack stands
• Wheel hanger guide pin for M14 x 1.25 bolts
  • Shop wheel hanger pins
• Hub-centric rings if wheel bore is larger than 66.7 mm
  • Shop hub-centric rings
• Nylon brush for hub cleaning, tire pressure gauge, and chalk or paint pen to mark bolts after torque

FAQs

• Can I use 5x112 wheels from another vehicle on my 2015 BMW i3?

  Possibly, but verify all specs. You must match bolt pattern 5x112, ensure the center bore is 66.7 mm or use rings, confirm offset and width with the calculator, check brake clearance, and use the correct M14 x 1.25 hardware that matches the wheel seat style.

• What if the donor wheel center bore is larger than 66.7 mm?

  Use hub-centric rings that step the wheel bore down to 66.7 mm so the wheel centers properly on the hub. Rings do not fix incorrect bolt pattern.

• Can I run a different tire diameter for looks or ground clearance?

  You can model it in the calculator, but large diameter changes affect speedometer accuracy, ABS, traction control, and range. Keep overall diameter change small, commonly targeted within about 0 to 3 percent, and verify clearances.

• Do I need new TPMS sensors?

  If you are adding a second wheel set, you will typically need compatible sensors. After installation, perform the BMW reset or relearn through the vehicle menu or a suitable scan tool. Check a parts catalog for sensor frequency and compatibility for your VIN.

• What torque should I use on the lug bolts?

  Torque values can vary. Refer to the owner manual or BMW service information for your exact torque specification and follow a star pattern on clean, dry threads unless BMW specifies otherwise.

• Is the i3 staggered from the factory?

  Some configurations use different front and rear tire sizes. Check your door jamb tire label. If it lists different front and rear sizes, maintain a staggered setup or model a square conversion with the calculator and verify clearances before changing.

• Can I use spacers?

  If spacers are required for clearance, use hub-centric spacers and appropriate extended hardware. Verify hub engagement, fender clearance, and torque procedure. Model the new effective offset in the calculator before buying spacers.