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Idle Speed & Mixture

Idle speed are mixture are electronically controlled and are not adjustable. Idle speed and mixture can be accessed using BMW's GROUP TESTER ONE (GT-1) or DISplus hardware system.

IDLE SPEED & CO LEVEL

Application Idle RPM (1) (2) CO Level %
6-Cylinder & V8 650-750 .5
V12 530-630 .5
(1) With A/C off and transmission in neutral.
(2) Maximum specification, measured at exhaust manifold. See ON-VEHICLE ADJUSTMENTS article for additional information.
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