
Konig
Ampliform
Dark Graphite
19 × 8.5″ · ET +32
$396.68
View at Tire Rack ↗Recorded OEM specifications for the 2018 BMW X3, donor years with overlapping ranges, and a calculator to compare a selected wheel. Range overlap is not a guaranteed fit.
Save these wheel specs to your Ownery garage
Baseline mounting dimensions used for interchange decisions.
Multiple OEM configurations exist for this vehicle. Fitment can vary by trim, brakes, and factory wheel package – confirm your exact setup before buying.
Center-bore records disagree: year-level hub 72.6 mm vs trim range 66.6–66.6 mm. Interchange below does not treat this as an unqualified match.
Thread-only product links are shopping examples, not verified fits. Seat style is not confirmed here. As an Amazon Associate we earn from qualifying purchases.
Selected size: 19 × 7.5″ · ET +32
Showing matching bolt patterns and offsets up to 20 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Konig
Dark Graphite
19 × 8.5″ · ET +32
$396.68
View at Tire Rack ↗
Niche Road Wheels
Black
19 × 8.5″ · ET +25
$420.00
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Rohana Wheels
Brushed Titanium
19 × 9.5″ · ET +30
$598.00
View at Tire Rack ↗We may earn a commission when you buy through these links. Prices and availability may change.
These are vehicle-year records whose recorded OEM ranges overlap this 2018 BMW X3. Overlap is not a guarantee that a specific wheel will install. Selected-wheel comparison is in the calculator below.
Evaluated 101 donor years. Listed 24 eligible overlaps (not all evaluated years are compatible). Showing all listed.
Dataset suggestionHub-centric rings ≈ 72.6 → 66.6 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change -3.18 mm, inner change -3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Dataset suggestionHub-centric rings ≈ 72.6 → 66.6 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change -8.18 mm, inner change 1.83 mm. This uses aggregated width/offset ranges, not a specific wheel.
Recorded vehicle-side thread for the 2018 BMW X3 is M14x1.25. This donor year is recorded as M14x1.5. That is the vehicle stud/nut thread, not an intrinsic thread stamped on the wheel. Hardware must match this vehicle’s studs and the selected wheel’s seat and engagement. Existing hardware may be reusable if it already matches. Seat style is not in this dataset, so products are not a verified fit.
Dataset suggestionHub-centric rings ≈ 72.6 → 66.6 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Recorded vehicle-side thread differs (M14x1.5 on the donor year vs M14x1.25 on the target vehicle). Hardware must match the target vehicle’s studs and the selected wheel’s seat. Existing hardware may be reusable if it already matches. Seat style is not confirmed in this dataset. Approximate position vs the mid OEM package: outer change -8.18 mm, inner change 1.83 mm. This uses aggregated width/offset ranges, not a specific wheel.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Recorded vehicle-side thread for the 2018 BMW X3 is M14x1.25. This donor year is recorded as M14x1.5. That is the vehicle stud/nut thread, not an intrinsic thread stamped on the wheel. Hardware must match this vehicle’s studs and the selected wheel’s seat and engagement. Existing hardware may be reusable if it already matches. Seat style is not in this dataset, so products are not a verified fit.
Dataset suggestionWheel spacer ≈ 21.53 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub. A spacer of about 21.53 mm is a dataset suggestion only; clearance is not verified. Recorded vehicle-side thread differs (M14x1.5 on the donor year vs M14x1.25 on the target vehicle). Hardware must match the target vehicle’s studs and the selected wheel’s seat. Existing hardware may be reusable if it already matches. Seat style is not confirmed in this dataset.
Center-bore records disagree (target year-level hub 72.6 mm vs trim range 66.6–66.6 mm; donor year-level hub 72.6 mm vs trim range 66.6–66.6 mm). Unqualified overlap is not claimed until the conflict is resolved. Approximate position vs the mid OEM package: outer change -3.18 mm, inner change -3.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Dataset suggestionHub-centric rings ≈ 72.6 → 66.6 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Approximate position vs the mid OEM package: outer change 9.52 mm, inner change 9.52 mm. This uses aggregated width/offset ranges, not a specific wheel.
Years grouped because recorded compatibility evidence is equivalent. Each year keeps its own page.
Recorded vehicle-side thread for the 2018 BMW X3 is M14x1.25. This donor year is recorded as M12x1.5. That is the vehicle stud/nut thread, not an intrinsic thread stamped on the wheel. Hardware must match this vehicle’s studs and the selected wheel’s seat and engagement. Existing hardware may be reusable if it already matches. Seat style is not in this dataset, so products are not a verified fit.
Dataset suggestionHub-centric rings ≈ 72.6 → 66.6 mm – not a verified installation requirement.
Hub-centric rings of about 72.6 → 66.6 mm mm may be relevant if the wheel bore is larger than the hub; they cannot enlarge a smaller bore. Recorded vehicle-side thread differs (M12x1.5 on the donor year vs M14x1.25 on the target vehicle). Hardware must match the target vehicle’s studs and the selected wheel’s seat. Existing hardware may be reusable if it already matches. Seat style is not confirmed in this dataset. Approximate position vs the mid OEM package: outer change 1.17 mm, inner change 5.18 mm. This uses aggregated width/offset ranges, not a specific wheel.
Only years with evidence-based interchange relationships are listed. Adjacent years are not assumed compatible.
Compare a donor vehicle or custom wheel against this 2018 BMW X3. Use Compare in calculator on a donor row above to fill the donor side of this same calculator.
Compare wheel compatibility between two vehicles
2018 BMW X3
Example products matched to recorded thread, hub, or spacer dimensions. They are not verified fits. Confirm seat style, thickness, and clearance before ordering.
M14 x 1.25

M14 x 1.25 · Thread match only; seat style is not verified
View on Amazon →Vehicle hub 66.6 mm

OD 72.6 mm · ID 66.6 mm
View on Amazon →
OD 72.6 mm · ID 66.6 mm
View on Amazon →
OD 72.6 mm · ID 66.6 mm
View on Amazon →5x112 · 66.6 mm hub

5x112 · 66.6 mm hub · 1 inch / 25 mm
View on Amazon →As an Amazon Associate we earn from qualifying purchases. Product availability and pricing may change.
The data below reflects recorded OEM dimensions for this model year. BMW offered multiple trims and wheel packages, so values can vary by VIN, market, and option package. Treat this as a starting point and verify against your door-jamb tire placard, owner’s manual, or OEM parts catalog before purchasing.
| Bolt pattern | 5x120 |
| Center bore | 72.6 mm |
| Thread size | M14 x 1.25 |
| Rim diameter | 20 in |
| Rim width | 8.0 in |
| Wheel offset | ET 27 mm |
| Backspacing | 5.06 in |
| Tire section width | 245 mm |
| Tire aspect ratio | 50 |
| Tire rim diameter | 19 in |
Notes:
The calculator on this page compares Wheels from a donor vehicle to wheels Installed on your vehicle and supports custom wheel and tire entries. Follow these steps:
Use this safety-first list to avoid expensive mistakes.
Plus sizing increases wheel diameter and reduces tire sidewall while keeping overall tire diameter close to stock for speedometer and clearance. Use the calculator to confirm any change before buying.
What bolt pattern and center bore should I use for wheel shopping?
Use the values from the Known OEM Fitment table if they match your trim, or confirm on your vehicle with the tire placard and a VIN-based OEM catalog. Always verify before purchasing.
How much offset change is safe on the 2018 X3?
There is no single number that fits every brake package and tire. Use the calculator with your verified baseline offset and width. Keep inner clearance reductions minimal and avoid excessive outer poke. Perform a physical test-fit if the calculator shows tight tolerances.
Can I move from 19 inch to 20 inch wheels?
Often possible if you keep overall tire diameter close to stock. As a math example, a 245/50R19 baseline often translates to about 245/45R20, but verify exact diameters in the calculator and ensure proper load index and clearance on your vehicle.
Do I need hub-centric rings on aftermarket wheels?
If the wheel’s center bore is larger than your hub (72.6 mm recorded above), use rings sized to your hub and the wheel’s bore to prevent vibration. Never attempt to fit a wheel with a bore smaller than the hub.
What thread size and seat style do the wheel bolts use?
The recorded thread size is M14 x 1.25. Seat style can vary by wheel. Inspect your OEM bolts and wheel to confirm ball or cone seats and match them exactly to the new wheels.
Will wheels from another BMW model fit my 2018 X3?
Sometimes. Check bolt pattern, center bore, hubcentricity, offset, width, brake clearance, and load rating. Use the calculator for offset and width differences and verify against OEM sources before mounting.
Why does the table show 20 inch wheels and a 19 inch tire size?
That indicates multiple OEM packages existed for this model year. Verify your specific configuration by checking your door placard, owner’s manual, or VIN-based catalog, then use those values in the calculator.
Wheel interchange depends on more than bolt pattern. Where data is available, this site compares recorded OEM values:
A normal wheel spacer does not change bolt pattern. Hub rings cannot enlarge a wheel bore that is smaller than the hub. Brake clearance and tire package fitment still require vehicle-specific checks when not confirmed in the dataset.