Audi Q7 e-tron quattro 4M - Page 67

67
Only chassis systems with a quattro drivetrain are used for the AudiQ7e-tronquattro.
The following chassis versions are available:
Suspension variants Features
Standard suspension (1BA)
1)
The standard suspension as basic equipment features steel springs and non-adaptive air
suspension.
Chassis with air suspension
and adaptive air suspension
1BK
1)
This chassis version is optional. For detailed information about the design, function and
service operations of the chassis with air suspension, refer to Self Study Programme 633
"Audi Q7 (type 4M) Chassis".
Chassis with air suspension
and adaptive air suspension
2MA
1)
The sport chassis with air suspension is optional, too. The sport version of the chassis
diers from chassis 1 BK in that it has a more sporty setup This is accomplished by using
modified damper hydraulics, special spring characteristics (provided by special roll pistons)
and a special control characteristic (special control software for suspension control
unitJ775). The control software is loaded into the control unit as a data set from a data
container prior to initial use.
1)
Production control number
Suspension control unit J775
(for adaptive air suspension)
• Adopted from AudiQ7 (type4M)
• Installation location: under the centre
console
Rear wheel brakes
• Dependent on engine type
• Refer to overview on page 68
Rear axle
• Adopted from AudiQ7 (type4M)
• General use is made of the aluminium
track control arm at the top rear due to
package requirements
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