DICTIONARY OF AUTOMOTIVE TERMS - "Za"

Z

1. A letter rating for tires to indicate that they are theoretically rated for speeds over 300 kph (186 mph), as in P245/50ZR16. There is no higher rating, but the one lower rating is Y
2. The symbol for Impedance

Zahnradfabrik Friedrichshafen

See
ZF

ZAP

See
AIA-ZAP

Z-axle

A rear axle introduced with the BMW Z1 in 1988, consisting of a trailing arm, one upper lateral link, one lower diagonal link, and a coil spring at each side; also included is an anti-roll bar