Idle Speed & Mixture

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1999 BMW Z3, 1999 BMW M3, 1999 BMW M Roadster, 1999 BMW M Coupe, and 1999 BMW 750iL. However, it is still accessible from the selected car via links, so may be relevant.

IDLE SPEED & CO LEVEL

Application⁽¹⁾

Idle RPM

⁽²⁾ CO Level %

4-Cylinder

810-890

.5-.7

6-Cylinder

660-740

.2-1.2

750-850

.2-1.2

V12

530-630

⁽¹⁾	Specification is not available for M5.

⁽²⁾	Measured at exhaust manifold. See ON-VEHICLE ADJUSTMENTS article for additional information.