I3 fast charging lim module

bmw I3 charge control module “LIM”

The bmw LIM module is a ccs, chademo, and AC charging controller.

It handles the networking stack between the car and public charging infrastructure.

they can be found for relatively cheap on eBay and from auto wreckers.

Can logs and other data:

https://github.com/damienmaguire/BMW-i3-CCS

I3 hv components

Forum discussion

connectors and pinout

connectors:

• 16 pin: Hirschmann 805-587-545
• 12 pin: BMW 61138373632, Audi 4E0 972 713, TE 1534152-1
• 8 pin: BMW 61138364624, Audi 4F0 972 708, TE 1-1534229-1 (only on Chademo models)
• 6 pin: BMW 61138383300, Audi 7M0 973 119, TE 1-967616-1

BMW I3 LIM CCS Charging Module

Pin out:

• 4B : 12 pin (plug : 1534151-1)
• 3B : blanked out on my unit
• 1B : 16 pin (plug : 805-587-545)
• 2B : 6 pin (plug : 1-967616-1)

• pins : 5-962885-1
• rubber seal thing : 1-967067-1

1B pinout

• 1 LED_S (lighting charge socket)
• 2 ZV_LKL+ (charge door lock motor)
• 3 LED_M (lighting charge socket)
• 4 ZV_LADE+ (hood/bonnet lock)
• 5 ZV_LADE- (hood/bonnet lock)
• 6 CAN
• 7 CAN
• 8 wake up signal
• 9 power
• 10 ground

...

• 13 SENS_LKL (charge door lock sensor)
• 14 ZV_LKL- (charge door lock motor)
• 15 CHARGE_E (goes to the KLE) guessing this is charge enable signal for the in car charger
• 16 ZV_LADE (hood/bonnet lock)

2B pinout

• 1 pilot
• 2 proxy
• 3 diag? looped back to pin 4?
• 4
• 5 gnd (charge socket)

4B pinout

• 1 HV+_SZ+ (contactor control)
• 2 HV-_SZ+ (contactor control)
• 3 HV+_SZ- (contactor control)
• 4 HV-_SZ- (contactor control)
• 5 U_HV_DC
• 6 LED_RT (charge status lights)
• 7 LED_GN (charge status lights)
• 8 LED_BL (charge status lights)
• 9 BR_GND (charge status lights)
• 10 ZV_LS- (charge socket locking)
• 11 ZV_LS+ (charge socket locking)
• 12 SENS_LS (charge socket locking)