WheelOffset

2003 BMW Z4 Wheel Offset

Quick specs

Wheel size
7x16 · 8x17 · 8x18
Offset
ET47 · ET46
Backspacing
5.35 in · 5.85 in · 5.81 in
Bolt pattern
5×120
Center bore
72.6 mm
Thread
M12×1.5
Tire size
205/55R16 · 225/45R17 · 225/50R16 · 225/40R18

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.5i · 2.5L, I6, Petrol7x167x16ET475.35 in205/55R16 / 225/50R165x12072.6 mmM12 x 1.5
2.5i · 2.5L, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
3.0i · 3.0L, M54B30, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
3.0i · 3.0L, M54B30, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
2.2i · M54B22, I6, Petrol7x167x16ET475.35 in205/55R16 / 225/50R165x12072.6 mmM12 x 1.5
2.2i · M54B22, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
2.5i · 2.5L, M54B25, I6, Petrol7x167x16ET475.35 in205/55R16 / 225/50R165x12072.6 mmM12 x 1.5
2.5i · 2.5L, M54B25, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
2.2i (GH-BT22) · 226S, I6, Petrol7x167x16ET475.35 in205/55R16 / 225/50R165x12072.6 mmM12 x 1.5
2.2i (GH-BT22) · 226S, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
2.5i (GH-BT25) · 256S, I6, Petrol7x167x16ET475.35 in205/55R16 / 225/50R165x12072.6 mmM12 x 1.5
2.5i (GH-BT25) · 256S, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5
3.0i (GH-BT30) · 306S, I6, Petrol8x177x16ET475.85 in225/45R17 / 225/50R165x12072.6 mmM12 x 1.5

Wheels and hardware

More on Amazon

  • No exact catalog match in inventory

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Lug hardware

More on Amazon

  • White Knight Chrome M12x1.50 Bulge Acorn Lug Nut, 20 Count

    M12 x 1.5

    Matches M12 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

  • White Knight 3807BK-20AM Black Chrome M12x1.50 Spline Lug Nut, 20 items

    M12 x 1.5

    Matches M12 x 1.5 thread — confirm wheel seat style

    Check price on Amazon

Wheel locks

More on Amazon

  • MCGARD Chrome Cone Seat M12 x 1.5 Wheel Locks

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

  • Gorilla Automotive Wheel Locks With Washer (M12x1.50)

    M12 x 1.5 · lock

    Matches M12 x 1.5 — confirm seat style for your wheel

    Check price on Amazon

Real-World 2003 BMW Z4 Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

  • 17-inch — 1 documented build

1 documented build.

2003 BMW Z4 custom wheel setup

Staggered · 17×9 ET5 / 17×9 ET8

Documented on a 2003 BMW Z4 build — observed custom fitment, not a universal fit guarantee.

Wheel: BMW Z3 M Coupe

Front
17×9 ET5 · 205/45R17
Rear
17×9 ET8 · 215/45R17
Compared with OEM

Compared with the 17×8 ET47 OEM configuration. Calculated geometry only — not fit confirmation.

  • Outer edge 54.7 mm farther toward fender (more outward poke)
  • Inner edge 29.3 mm farther from suspension (more inner clearance)
  • Width +1" vs OEM
View full build on Modified1

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

Open full fitment calculator

More specs for the 2003 BMW Z4

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.