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E63/E64 System overview, basic seat and sports seat

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Basic seat equals sports seat 

The electrical seat functions are identical on the basic seat and sports seat. The only differences are between the E63 and E64 as well as between the driver's seat and passenger's seat.

This system overview comprises the following overviews:

E63 

E64 

Input/Output E63 Driver's Side 

Fig 1: Identifying Input/Output E63 Driver's Side
G00432276Courtesy of BMW OF NORTH AMERICA, INC.
INPUT/OUTPUT E63 DRIVER'S SIDE TERMINAL PINS

Item Description Item Description
1 Speed signal from wheel speed sensors 2 Dynamic stability control (DSC)
3 Safety and gateway module (SGM) 4 Driver's door module (TMFA)
5 Door lock with door contact 6 Multi-audio system controller (M-ASK)
7 Car communication computer (CCC) 8 Controller for central information display
9 Central Information display (CID) 10 Centre console switch cluster
11 Seat heating mats with temperature sensor 12 Drive units for seat forward/backward adjustment, seat cushion tilt adjustment, seat height adjustment, backrest angle adjustment
13 Driver's seat module (SMFA) 14 Air pump and control valve for lumbar support
15 Lumbar support button 16 Seat memory switch
17 Seat adjustment buttons 18 Seat heating switch, driver's and passenger's side
19 Car access system (CAS) 20 Remote control key with transponder
K-Bus Body bus K-CAN Body controller area network
PT-CAN Powertrain controller area network byteflight Fibre optics

Input/Output E63 Passenger's Side 

Fig 2: Identifying Input/Output E63 Passenger's Side
G00432277Courtesy of BMW OF NORTH AMERICA, INC.
INPUT/OUTPUT E63 PASSENGER'S SIDE TERMINAL PINS

Item Description Item Description
1 Safety and gateway module (SGM) 2 Centre-console switch cluster (SZM)
3 Seat heating mats with temperature sensor 4 Drive units for seat forward/backward adjustment, seat cushion tilt adjustment, seat height adjustment, backrest angle adjustment
5 Air pump and control valve for lumbar support 6 Lumbar support button
7 Seat adjustment button (direct load circuit) 8 Seat heating switch, driver's and passenger's side
K-CAN Body controller area network    

E63 System Circuit Diagram 

Fig 3: Identifying E63 System Circuit Diagram
G00432648Courtesy of BMW OF NORTH AMERICA, INC.
E63 System Circuit Terminal Pins

Item Description Item Description
1 B-pillar satellite, right (SBSR) 2 Safety and gateway module (SGM)
3 Seat belt pretensioner, passenger's seat 4 Seat belt buckle contact, passenger's seat
5 Seat adjustment buttons, passenger's seat 6 Drive unit for passenger's seat forward/backward adjustment
7 Drive unit for passenger's seat height adjustment 8 Drive unit for passenger's seat cushion tilt adjustment
9 Drive unit for passenger's seat backrest angle adjustment 10 Lumbar support cushion, passenger's seat
11 Lumbar support drive unit, passenger's seat 12 Lumbar support button, passenger's seat
13 Passenger's seat heating (backrest incl. side sections) 14 Passenger's seat heating with temperature sensor
15 Driver's seat heating with temperature sensor 16 Driver's seat heating (backrest incl. side sections)
17 Lumbar support button, driver's seat 18 Lumbar support drive unit, driver's seat
19 Lumbar support cushion, driver's seat 20 Drive unit for driver's seat backrest angle adjustment
21 Drive unit for driver's seat cushion tilt adjustment 22 Drive unit for driver's seat height adjustment
23 Drive unit for driver's seat forward/backward adjustment 24 Driver seat memory (driver's seat control unit)
25 Seat belt buckle contact, driver's seat 26 Driver's seat belt pretensioner
27 B-pillar satellite, left (SBSL) 28 Centre-console switch cluster (SZM)
byteflight Fibre optics 29 Diagnostic wire
K-CAN Body controller area network K-Bus Body bus
Kl. 30g Terminal 30g (terminal 30 switched by car access system CAS) Kl. 30 Terminal 30 (battery positive)
Kl. 31 Terminal 31 (earth)    

E63 Overview Of Control Units 

Fig 4: Identifying E63 Overview Of Control Units
G00432649Courtesy of BMW OF NORTH AMERICA, INC.
E63 OVERVIEW OF CONTROL UNITS TERMINAL PINS

Item Description Item Description
1 Diagnostic wire byteflight Fibre optics
CCC Car Communication Computer SGM Safety and gateway module
K-Bus Body bus K-CAN Body controller area network
M-ASK Multi-audio system controller MOST Media-Oriented System Transport
PT-CAN Powertrain controller area network SMFA Seat module, driver
SZM Centre console switch cluster    

Input/Output E64 Driver's Side 

Fig 5: Identifying Input/Output E64 Driver's Side
G00432650Courtesy of BMW OF NORTH AMERICA, INC.
INPUT/OUTPUT E64 DRIVER'S SIDE TERMINAL PINS

Item Description Item Description
1 Speed signal from wheel speed sensors 2 Dynamic Stability Control (DSC)
3 Safety and gateway module (SGM) 4 Door module, driver's side (TMFA)
5 Door lock with door contact 6 Multi-audio system controller (M-ASK)
7 Car Communication Computer (CCC) 8 Controller for central information display
9 Central Information Display (CID) 10 Centre-console switch cluster (SZM)
11 Seat heating mats with temperature sensor 12 Driver's seat module (SMFA)
13 Drive unit for seat forward/backward adjustment, seat cushion tilt adjustment, seat height adjustment, head restraint height adjustment 14 Air pump and control valve for lumbar support
15 Lumbar support button 16 Seat memory switch
17 Seat adjustment button 18 Button for rear easy-entry
19 Seat heating switch, driver's and passenger's side 20 Head-up display (HUD)
21 Check control messages on head-up display 22 Check control message in instrument cluster
23 Instrument cluster 24 Car access system (CAS)
25 Vehicle key with transponder    

Input/Output E64 Passenger's Side 

Fig 6: Identifying Input/Output E64 Passenger's Side
G00432651Courtesy of BMW OF NORTH AMERICA, INC.
INPUT/OUTPUT E64 PASSENGER'S SIDE TERMINAL PINS

Item Description Item Description
1 Safety and gateway module 2 Centre console switch cluster (SZM)
3 Passenger's seat module (SMBF) 4 Seat heating mat with temperature sensor
5 Drive units for seat forward/backward adjustment, seat cushion tilt adjustment, seat height adjustment, backrest angle adjustment, head restraint height adjustment 6 Air pump and control valve for lumbar support
7 Lumbar support button 8 Button for rear easy-entry
9 Seat adjustment button 10 Seat heating switch, driver's and passenger's side
11 Head-up display (HUD) 12 Check control messages on head-up display
14 Instrument cluster 13 Check control message in instrument cluster
K-Bus Body bus K-CAN Body controller area network

E64 System Circuit Diagram 

Fig 7: Identifying E64 System Circuit Diagram
G00432652Courtesy of BMW OF NORTH AMERICA, INC.
E64 SYSTEM CIRCUIT DIAGRAM TERMINAL PINS

Item Description Item Description
1 B-pillar satellite, right (SBSR) 2 Safety and gateway module (SGM)
3 Seat belt pretensioner, passenger's seat 4 Seat belt buckle contact, passenger's seat
5 Switch for rear easy-entry, passenger's seat (in backrest: seat forward/backward adjustment) 6 Passenger's seat memory (control unit)
7 Backrest lock switch for passenger's seat 8 Drive unit for seat forward/backward adjustment and passenger's seat rear easy-entry
9 Drive unit for passenger's seat height adjustment 10 Drive unit for passenger's seat cushion tilt adjustment
11 Drive unit for passenger's seat backrest angle adjustment 12 Seat adjustment buttons, passenger's seat
13 Drive unit for passenger's seat head restraint height adjustment 14 Lumbar support drive unit, passenger's seat
15 Lumbar support cushion, passenger's seat 16 Lumbar support button, passenger's seat
17 Passenger's seat heating (backrest incl. side sections) 18 Passenger's seat heating with temperature sensor
19 Driver's seat heating with temperature sensor 20 Driver's seat heating (backrest incl. side sections)
21 Lumbar support button, driver's seat 22 Lumbar support cushion, driver's seat
23 Lumbar support drive unit, driver's seat 24 Drive unit for driver's seat backrest angle adjustment
25 Drive unit for driver's seat cushion tilt adjustment 26 Drive unit for driver's head restraint height adjustment
27 Drive unit for driver's seat height adjustment 28 Switch for seat memory and seat adjustment
29 Drive unit for seat forward/backward adjustment and driver's seat rear easy-entry 30 Driver's seat memory (control unit)
31 Switch for rear easy-entry, driver's seat (in backrest: seat forward/backward adjustment) 32 Backrest lock switch for driver's seat
33 Seat belt buckle contact, driver's seat 34 Driver's seat belt pretensioner
35 B-pillar satellite, left (SBSL) 36 Centre-console switch cluster (SZM)
37 Diagnostic wire byteflight Fibre optics
    K-CAN Body controller area network
K-Bus Body bus Kl. 30g Terminal 30g (terminal 30 switched by car access system CAS)
Terminal 30 Terminal 30 (battery positive) Kl. 31 Terminal 31 (earth)

E64 Overview Of Control Units 

Fig 8: Identifying E64 Overview Of Control Units
G00432653Courtesy of BMW OF NORTH AMERICA, INC.
E64 OVERVIEW OF CONTROL UNITS TERMINAL PINS

Item Description Item Description
1 Diagnostic wire byteflight Fibre optics
CCC Car Communication Computer SGM Safety and gateway module
K-Bus Body bus K-CAN Body controller area network
M-ASK Multi-audio system controller MOST Media-Oriented System Transport
PT-CAN Powertrain controller area network SMFA Seat module, driver
SZM Centre console switch cluster SMBF Seat module, front-passenger