Specs verified against manufacturer data
Bolt pattern
5x112
Center bore
57.1 mm
Factory wheel sizes
15-17"
Fastener
bolt
Thread
M14x1.5
Seat
ball (R14)
Torque
81 lb-ft
The Audi A4 / S4 uses a 5x112 bolt pattern with a 57.1mm center bore. Factory wheel sizes range from 15-17". When shopping for wheels, ensure the rim's center bore is at least 57.1mm (a hub-centric ring can adapt a larger bore down). Factory torque spec is 81 lb-ft. Use M14x1.5 bolt. Always confirm torque and hardware against your owner's manual before installing.
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Platinum

Platinum
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AI illustration: not a photo of the actual itemPlatinum