Parts and Accessories Installation Instructions Active cruise control retrofit (ACC) BMW 7 Series (E 65, E 66) LHD Important information The retrofit kit is for use within the BMW dealership organisation only. Subject to technical modifications. Before installing the retrofit kit, use the latest CIP application to ascertain the car's status and if necessary update the software in accordance with the action plan. The actual duration of the software update can vary for technical reasons. Target group The target group for these installation instructions is specialist personnel trained on BMW cars with the appropriate specialist knowledge. All work must be completed using the latest BMW repair manuals, circuit diagrams, servicing manuals and work instructions in a rational order using the prescribed tools (special tools) and observing current health and safety regulations. Installation information Ensure that the cables/lines are not kinked or damaged as you install them in the car. The installed cables are to be secured with cable ties. If the specified PIN chambers are occupied, bridges, double crimps or twin-lead terminals must be used. The ACC sensor must be set using a special setting station and may only be set using the special tools and test equipment approved by BMW. After the installation work the active cruise control retrofit must be coded using DISPlus, MoDiC III or GT- via the Retrofit path. Installation time Approx. 5 hours, but this may vary depending on the condition of the car and the equipment in it. An additional two hours approximately will be required for setting the ACC sensor. Pictograms denotes instructions that draw your attention to special features.!! Denotes instructions or warnings that you must observe.! TIS Denotes actions that are described in the TIS.!! denotes the end of the instruction or caution text.! Retrofit kit No. 66 2 54 65 Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22
Special tools required ACC setting unit Installation wedge ( 9 3) Lever (32 3 7) Release tool ( 9 34) Release hook (64 3) Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/2
Contents Section Page. Preparations.......................................................................... 4 2. Parts list............................................................................. 5 3. Active cruise control wiring harness connection diagram................................... 6 4. Front-end wiring harness connection diagram............................................ 7 5. Installation and cabling diagram......................................................... 8 6. To install the ACC sensor............................................................. 9 7. To install the front-end wiring harness.................................................. 8. To install the active cruise control wiring harness......................................... 2 9. To install the active cruise control switch................................................ 5. Concluding work and coding........................................................... 6. ACC E65/E66 circuit diagram.......................................................... 7 Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/3
. Preparations! In versions with xenon headlights: Danger of death from high voltage! You must isolate all the components from the voltage supply before you remove them. Work on the entire xenon light system (ignition, control module and lamp) may only be completed by trained personnel. TIS instruction No. --- Refer to the airbag safety regulations. Incorrect handling may cause the airbag to deploy and thus cause injuries.! 32 34... Check the CIP application (see Important information) --- Conduct a brief test --- Disconnect the negative pole of the battery 2... The following components must be removed first of all: Left headlight 63 2 Right headlight 63 2 2 Front bumper trim 5 56 Steering wheel 32 33 Cruise control switch 6 3 8 Wood trim on right of instrument panel 5 45 366 Steering column trim front section 32 3 2 Glove compartment 5 6 36 Centre fresh air grille 64 22 62 Right fresh air grille 64 22 37 Control Display trim 5 45... Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/4
2. Parts list A B C D E F G H I J K 65 35 Z Legend A B C D E F G H I J K Active cruise control wiring harness Front-end wiring harness Holder ACC sensor Active cruise control switch Ornamental grille Cable tie (5x) Ornamental grille Self-tapping screw 4.8 x 3 (4x) Fine self-tapping screw (4x) Fusible link 7.5 A Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/5
3. Active cruise control wiring harness connection diagram A3 A4 A A2 A5 A A6 65 32 Z Item Description Signal Cable colour / Cross-section Connection location in the car Abbreviation / Slot A Active cruise control wiring harness A Eyelet Terminal 3 BR/SW.75 mm 2 To the right side panel behind the headlight X6 A2 SW 8-pin socket casing A3 Socket contact CAN bus low A4 Socket contact CAN bus high To the front-end wiring harness below the right headlight RT, To plug X73 (resistor bridge) below the.35 mm 2 right headlight BL/RT, To plug X73 (resistor bridge) below the.35 mm 2 right headlight X3524 X73 PIN 6 X73 PIN A5 Socket contact Terminal 5 RT/BL/GE, To CAS control module X38.5 mm 2 PIN 5 A6 Flat spring contact Terminal 3 RT/WS/GE, To fuse holder behind the glove.5 mm 2 compartment, fuse F7 (7.5 A) X454 PIN 2 Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/6
4. Front-end wiring harness connection diagram B3 B4 B5 B6 B7 B2 B B8 B B9 B3 B2 B B 65 329 Z Item Description Signal Cable colour / Cross-section Connection location in the car Abbreviation / Slot B Front-end wiring harness B B2 B3 B4 B5 B6 B7 B8 B9 B B B2 B3 4-pin socket casing, SW 4-pin socket casing, SW 3-pin socket casing, SW/GR 3-pin socket casing, SW/GR 3-pin socket casing, SW/GR 3-pin socket casing, SW/GR 8-pin plug casing, SW 2-pin socket casing, SW 2-pin socket casing, SW 2-pin socket casing, SW/WS 2-pin socket casing, SW 2-pin socket casing, SW/WS 2-pin socket casing, SW Near the left intake silencer to the connector for the fog lights Near the left intake silencer to the connector for the horns To PDC converter, outside left To PDC converter, inside left To PDC converter, inside right To PDC converter, outside right To ACC wiring harness, below the right headlight To right fog light To PDC converter connector, behind the right headlight To right horn To ACC sensor To left horn To left fog light X35 X3695 X86 X87 X88 X89 X3524 X769 X647 X33 X783 X32 X768 Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/7
E65 5. Installation and cabling diagram A D 2 B E 65 328 Z Legend A B D E Active cruise control wiring harness Front-end wiring harness ACC sensor Active cruise control switch Fuse holder 2 CAS control module Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/8
6. To install the ACC sensor Remove the wiring harness () (no longer required). TIS Remove the holder (2) for the bumper trim.! 2 65 33 Z A B Check the following dimensions on the ACC sensor D and adjust them if necessary: Dimension A = 6.35 +/-.2 mm Dimension B = 4.85 +/-.2 mm D Do not remove the backing foil () until after completing the installation.! 65 36 Z I Secure the ACC sensor D to the holder E using selftapping screws. E Ensure that the two guide pines are positioned correctly (arrows).! D I 65 327 Z Secure the ACC sensor D to the holder () using the fine self-tapping screws J. G J 65 37 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/9
6. To install the ACC sensor D Secure the ACC sensor D to the holder () using the fine self-tapping screws J. J 65 38 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/
7. To install the front-end wiring harness Secure the holder () for the bumper trim. Install the wiring harness B, using the existing holes to secure it. Connect branch B (not shown) to the ACC sensor D. B X647 65 338 Z Connect branch B9 to plug X647. B9 65 37 Z Connect branch B to plug X35. Connect branch B2 to plug X3695. X3695 X35 B2 B 65 36 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/
8. To install the active cruise control wiring harness Connect branches A2 and B7. A2 B7 65 33 Z Disconnect bridge U5 X73. X73 U5 65 3 Z X73 A3 A Release plug X73 and connect branches A3 and A4 as follows: Branch Cable colour Slot A3 RT PIN 6 A4 BL/RT PIN A4 65 39 Z Secure plug X73. U5 X73 Connect resistor bridge U5. 65 3 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/2
8. To install the active cruise control wiring harness Connect branch A to the earth post X6. A X6 65 32 Z Thread branch A6 through the rubber grommet () into the electrics box. A 65 33 Z 2 Drill a mm hole (2) into the ventilation grille () in the electrics box. 65 22 Z A5 Thread branches A5 and A6 through the hole () into the interior of the car. A6 65 335 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/3
8. To install the active cruise control wiring harness A6 Connect branch A6 to PIN 2 of the blue 8-pin plug X454. Insert the 7.5 A fusible insert K into fuse slot F7. X454 K 65 336 Z X38 A5 Lay branch A5 to the CAS control module (). Connect branch A5 to PIN 5 of the black 54-pin plug X38. 65 337 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/4
9. To install the active cruise control switch The plug casing for the active cruise control switch E must be inserted precisely into the steering column switch.! OFF Secure the active cruise control switch E using the Torx bolts (). E 65 35 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/5
. Concluding work and coding The ACC sensor must be adjusted before the bumper trim is installed.! - Connect the battery - Code the ACC retrofit - Initialise the ACC sensor using the service function and adjust the ACC sensor - Conduct a brief test - Re-assemble the car - Adjust the headlights H F Fit the ornamental grilles F and H into the bumper trim (). Test drive the car to test the function of the ACC system. 65 332 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/6
. ACC E65/E66 circuit diagram A48 U5 A49 2 X454 6 X73 5 X38 5MUP_ACC PT_CAN_L PT_CAN_M 3<7,75 RT WS GE,75 RT WS GE,35 BL RT,35 RT,5 RT BL GE 3<7 3<7,75 RT WS GE 3<7 2 2 3<7 3<7,75 RT WS GE 3<7 3 3 PT_CAN_M PT_CAN_M,35 BL RT PT_CAN_M 4 4 PT_CAN_L PT_CAN_L,35 RT PT_CAN_L 7 FLASH,35 BL FLASH 8 TXD,35 WS GN TXD 5 5 5MUP_ACC 5MUP_ACC,5 RT BL GE 5MUP_ACC 6 6 3<2 3E<2 3E<2,75 BR SW X3524 X3524,75 BR SW 2 2 4 6 5 X783 A44 X6 65 39 Z Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/7
. Circuit diagram Legend A48 A44 A49 Fuse holder ACC sensor CAS control module U5 Resistor bridge X6 X73 X783 X38 X454 X3524 Ring eyelet A6 SW 6-pin socket casing SW 2-pin socket casing SW 54-pin socket casing BL 8-pin socket casing SW 8-pin socket or plug casing Cable colours BL BR GE GN RT SW WS blue brown yellow green red black white Retrofit kit No. 66 2 54 65 Installation Instructions No. 29 54 66 Issue date:.22 EN/8