Bimmer Retrofit Combox MULF2HI Installation Instruction Download

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Both modules (TCU and MULF) are located under this cover.

For E71 BMW models TCU is located at the same place as on the E70 models, however the MULF
module is located under the rear seat mid compartment. Please see pictures below:

Summary of Contents for Combox MULF2HI

Page 1: ...odule instead of the TCU For the case when your vehicle is equipped only with TCU module option 633 639 or 644 you will have to remove it and install Combox instead of TCU For the case when your vehic...

Page 2: ...Remove the left side cover as shown on the pictures Please note that there will be 4 plastic clips around the cover which needs to be removed...

Page 3: ...TCU and MULF are located under this cover 3 For E71 BMW models TCU is located at the same place as on the E70 models however the MULF module is located under the rear seat mid compartment Please see p...

Page 4: ...to get the mid compartment removed First remove both rear seats after that unscrew all screws on the sides of the mid compartment and after that pull it up Under it you will see another cover which a...

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Page 7: ...d or disconnect in the optical HUB This is very important since if you cut interrupt the MOST ring of the vehicle you will completely lose all multimedia functionality Proceed to the next step ONLY if...

Page 8: ...Remove the middle part out of it Now simply terminate your unused MOST connector by plugging it in to the MOST terminator...

Page 9: ...or White connector on the Combox is the BT antenna connector for the phone Your existed white plug removed from TCU or MULF sometimes will not directly fit this Combox antenna connector You will have...

Page 10: ...MIC 1 12 MIC 19 11 MIC BLNC 21 7 TEL CRASH 15 18 NOTRUF S 31 17 NOTRUF L 50 21 LS NOTR 37 20 LS NOTR 38 5 CAN HIGH Connect to PDC Module 6 CAN LOW Connect to PDC Module 2 When TCU only present in veh...

Page 11: ...e the pin from your new AUX IN connector if installed 24 AUX NF R 5 connect here the pin from your new AUX IN connector if installed 22 AUX BLNC 23 15 TEL Wake Up 33 25 MIC 1 12 MIC 19 11 MIC BLNC 21...

Page 12: ...7 USB cable from MULF must be connected to the Black connector on the Combox In case if you are also installing 6NR with 6NF options than the blue connector on the Combox should also be used for the a...

Page 13: ...8 After installation is done your Combox must be connected to the vehicle s wiring and installed as on the pictures...

Page 14: ...proper Combox and CIC coding If not done yet please contact us for the coding For all questions or other inquires please contact us at info bimmerretrofit com or visit www bimmerretrofit com Copyrigh...

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Bimmer Retrofit Combox MULF2HI, Installation Instruction

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