Polyurethane Bushings Audi A3 8V

The A3 8V sits on MQB, and the rear axle follows power and drive: under 110 kW with front wheel drive it is a torsion beam, above that or with quattro it is multilink. The arms do not swap between them. The bushes are chosen by mounting position, not by assembly: a single arm usually has two different bushes.

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What you gain and what you give up moving from rubber to polyurethane is explained on the polyurethane bushes page.