Z4

A BMW automobile model that comes in either Coupe or Roadster. It replaced the BMW Z3 model in 2003.

My Bimmer is a Z4 Roadster.

by FlaRiptide January 05, 2008

z4

A smile-inducing, seductive sports car built by BMW.

Wow, is that your Z4 that I saw on www.z4um.com ?

by brown1706 September 05, 2004

z4

A radio transmission in Counter-Strike, meaning:

Regroup team,

but said in normal life

z4, z4!!! wtf?

by Lorne Richardson July 06, 2003

z4

over-rated bmw with "american sports car suspension". Your spine will be destroyed in this car. Steer clear

z4 is fast, but is pretty lame. Nice front grill though.

by Gumba Gumba February 20, 2004