2018 BMW i3 Wheel Offset

Quick specs

Wheel size: 5x19 · 5x20 · 5.5x20
Offset: ET43 · ET33
Backspacing: 4.19 in · 4.05 in
Bolt pattern: 5×112
Center bore: 66.6 mm
Thread: M14×1.25
Tire size: 155/70R19 · 155/60R20 · 175/55R20

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Configuration

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OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
i3 · IB1P25B, W20K06A, I2, Hybrid	5x19	5x19	ET43	4.19 in	155/70R19	5x112	66.6 mm	M14 x 1.25
i3s · IB1P25B, W20K06A, I2, Hybrid	5.5x20	5.5x20	ET33	4.05 in	175/55R20	5x112	66.6 mm	M14 x 1.25
i3 · IB1P25B Electric	5x19	5x19	ET43	4.19 in	155/70R19	5x112	66.6 mm	M14 x 1.25
i3s · IB1P25B Electric	5.5x20	5.5x20	ET33	4.05 in	175/55R20	5x112	66.6 mm	M14 x 1.25
i3 (DLA-1Z06) · IB1P25B, W20K06A, I2, Hybrid	5x19	5x19	ET43	4.19 in	155/70R19	5x112	66.6 mm	M14 x 1.25
i3 (ZAA-1Z00) · IB1P25B Electric	5x19	5x19	ET43	4.19 in	155/70R19	5x112	66.6 mm	M14 x 1.25

Lug hardware

Wheel locks

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

OEM: 19×5 ET43 · 155/70R19 · Front · i3 · IB1P25B, W20K06A, I2, Hybrid

New width (in)New offset (mm)

Outer: +0 mm
Inner clearance: 0 mm unchanged

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More specs for the 2018 BMW i3

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.