BMW F97 Technical Training Manual page 6

F97/F98￿Complete￿Vehicle
1.￿Introduction
1.2.￿F97￿vehicle￿profile
F97,￿BMW￿X3￿M￿Competition
Design￿and￿aerodynamics:￿5-door￿high-performance￿sports￿activity￿vehicle￿(SAV).
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M-specific￿characteristics￿in￿front,
side￿and￿rear￿area.￿Clever￿aerodynamic￿design￿in￿front,￿side￿and￿rear￿area￿and￿vehicle
underbody.
Engine/Transmission:￿3-liter￿six-cylinder￿TVDI￿engine.￿Even￿more￿powerful￿and￿even
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more￿spontaneous￿linear￿power￿development.￿Three￿selectable￿engine￿dynamics￿control
programs.￿Even￿faster,￿more￿precise￿gear￿changes.￿M-specific￿gearshift￿characteristics￿with
model-specific￿BMW￿M￿8-speed￿automatic￿transmission￿variant￿(with￿Drivelogic￿program).
M￿all-wheel￿drive￿fully￿variable￿between￿front￿and￿rear￿or￿between￿rear￿and￿front￿wheels.
Electronically￿regulated￿M￿rear￿axle￿differential￿lock.
Engine￿sound:￿Distinctively￿sports￿character￿in￿the￿lower￿and￿upper￿rev￿and￿power￿bands,￿a
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more￿emotive￿starting￿sound￿and￿an￿active￿sound￿design￿system.￿The￿engine￿sound￿can￿be
influenced￿via￿the￿setting￿of￿the￿exhaust￿flaps￿with￿a￿sound￿button.
Steering:￿Direct￿and￿precise￿variable￿M￿EPS￿with￿selectable￿Servotronic￿support￿(at￿3
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stages).￿M￿steering￿wheel￿including￿M￿shift￿paddles￿and￿two￿steering-wheel￿mounted￿driver-
configurable￿M￿mode￿buttons.
Chassis￿and￿suspension/driving￿dynamics￿setup:￿Adaptive￿suspension,￿selectable
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handling￿dynamics￿programs￿ranging￿from￿comfortable￿to￿sports￿in￿3￿stages.￿Optimal￿driving
precision￿and￿adapted￿interplay￿of￿steering,￿suspension￿and￿damping￿action￿according￿to￿the
selected￿program.￿M￿Dynamic￿Stability￿Control￿(M￿DSC)￿with￿3￿drive￿modes,￿configurable￿by
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