CE and BCM are referred to as J519, then you'll see the connectors to it, eg T11c for the CE, or T52a for the BCM
I have found that. Do you think I can trust it?
BCM:
Connector assignment:
52-pin connector -T52 A- black -A-
1 - Fuse 26 on fuse holder B -SB26-
2 - Not assigned
3 - Not assigned
4 - Left washer jet heater element -Z20- , right washer jet heater element -Z21-
5 - Left headlight main beam bulb -M30-
6 - Left daytime running light bulb -L174-
7 - Not assigned
8 - Not assigned
9 - Rear right turn signal bulb -M8-
10 - Front left turn signal bulb -M5-
11 - Left headlight dipped beam bulb -M29-
12 - Rear lid lock unit -F256-Luggage compartment light -W3-
13 - Rear lid handle release button -E234-
14 - Bonnet contact switch -F266-
15 - Not assigned
16 - Reversing light switch -F4-
17 - Rear fog light switch -E18-
18 - Light switch -E1- , zero position
19 - Light switch -E1- , side lights
20 - Light switch -E1- , driving light assist
21 - Fog light switch -E7-
22 - Light switch -E1- , dip beam
23 - Earth connection 2, in main wiring harness -367-
24 - Fuse 3 on fuse holder B -SB3- , terminal 30
25 - Left fog light bulb -L22-
26 - Right brake and tail light bulb -M22-
27 - Left tail light bulb -M4- , rear left tail light
28 - Right daytime running light bulb -L175-
29 - Rear lid lock unit -F256-
30 - Rear right door contact switch -F11-
31 - Not assigned
32 - Not assigned
33 - Not assigned
34 - Not assigned
35 - Heater/heat output switch -E16-
36 - Interior monitoring deactivation switch -E267-
37 - Not assigned
38 - Not assigned
39 - Not assigned
40 - Not assigned
41 - Not assigned
42 - Earth connection 21, in main wiring harness -386-
43 - Rear window wiper motor -V12- , windscreen and rear window washer pump -V59-
44 - Right side light bulb -M3-
45 - Additional brake light bulb -M25-
46 - Tank filler flap locking motor -V155-
47 - Not assigned
48 - Rear left central locking lock unit -F222-
49 - Rear right door central locking motor, lock -V215-
50 - Not assigned
51 - Not assigned
52 - Not assigned
Connector assignment:
52-pin connector -T52 B- white-B-
1 -Fuse 45 on fuse holder C -SC45- , central locking
2 - Rear window wiper motor -V12-Windscreen and rear window washer pump -V59-
3 - Not assigned
4 - Not assigned
5 - Not assigned
6 - Not assigned
7 - Not assigned
8 - Not assigned
9 - Not assigned
10 - Not assigned
11 - Rear lid release motor -V139-
12 - Terminal 15 voltage supply relay -J329-
13 - Not assigned
14 - Heater/heat output switch -E16-Heated rear window warning lamp -K10-
15 - Switch and instrument illumination regulator -E20-
16 - Sliding sunroof control unit -J245-
17 - Sliding sunroof adjustment control unit -J245- , convenience closing
18 - Not assigned
19 - Not assigned
20 - Not assigned
21 - Heated front seats control unit -J774- heated seat switched off
22 - Heated rear window relay -J9-
23 - Not assigned
24 - Hazard warning lights button -E229- , Indicator lamp for hazard warning light -K6-
25 - Not assigned
26 - Not assigned
27 - Not assigned
28 - X-contact relief relay -J59-
29 - Terminal 50 voltage supply relay -J682-
30 - Switch and instrument illumination regulator -E20-
31 - Not assigned
32 - Not assigned
33 - Wiper motor control unit -J400- , rain and light detector sensor -G397- LIN bus
34 - Not assigned
35 - Not assigned
36 - Alarm horn -H12-interior monitoring sensor -G273- vehicle Inclination sensor -G384- , LIN bus
37 - Interior monitoring deactivation switch -E267- , interior monitoring off warning lamp -K162- , fuel supply relay -J643- , fuel pump control unit -J538-
38 - Fuel supply relay -J643-
39 - Not assigned
40 - Headlight washer system relay -J39-
41 - Dual tone horn relay -J4-
42 - Fuse 46 on fuse holder C -SC46-
43 - Positive connection 1 (30 g), in main wiring harness -B559-
44 - Not assigned
45 - Not assigned
46 - Not assigned
47 - Not assigned
48 - Not assigned
49 - Not assigned
50 - Left footwell light -W9- , rear left and right footwell light -W10-
51 - Connection 1 (58d), in main wiring harness -B340-
52 - Earth connection 1, in main wiring harness -366-
Connector assignment:
52-pin connector -T52 C- brown-C-
1 - Not assigned
2 - Not assigned
3 - Right tail light bulb -M2-
4 - Left brake and tail light bulb -M21-
5 - Earth connection 21, in main wiring harness -386-
6 - Not assigned
7 - Hazard warning lights button -E229-
8 - Not assigned
9 - Not assigned
10 - Connection 1 (TK), in interior wiring harness -B154- , front interior light -W1-
11 - Not assigned
12 - Not assigned
13 - Steering column electronics control unit -J527- , ignition/starter switch -D- , terminal S
14 - Positive connection 1 (50) , in main wiring harness -B239- , Steering column electronics control unit -J527-
15 - Data bus diagnostic interface -J533- , connection 2 (convenience CAN bus, high), in main wiring harness -B398-
16 - Data bus diagnostic interface -J533- , connection 2 (convenience CAN bus, low), in main wiring harness -B407-
17 - Brake light switch -F-
18 - Not assigned
19 - Not assigned
20 - Not assigned
21 - Not assigned
22 - Not assigned
23 - Not assigned
24 - Not assigned
25 - Right fog light bulb -L23-
26 - Left side light bulb -M1-
27 - Number plate light -X-
28 - Rear right fog light bulb -L47-Right reversing light bulb -M17-
29 - Not assigned
30 - Mechatronic unit for dual clutch gearbox -J743- , Clutch position sender -G476-
31 - Steering column electronics control unit -J527-
32 - Converter with socket, 12 V-230 V -U13- terminal L
33 - Not assigned
34 - Not assigned
35 - Switch and instrument illumination regulator -E20-
36 - Not assigned
37 - Not assigned
38 - Not assigned
39 - Not assigned
40 - Central locking and anti-theft alarm system aerial -R47- , aerial screening
41 - Central locking and anti-theft alarm system aerial -R47-
42 - Fuse 16 on fuse holder B -SB16-
43 - Not assigned
44 - Not assigned
45 - Not assigned
46 - Right headlight main beam bulb -M32-
47 - Left rear fog light bulb -L46- , Left reversing light bulb -M16-
48 - Not assigned
49 - Not assigned
50 - Front right turn signal bulb -M7-
51 - Rear left turn signal bulb -M6-
52 - Right headlight dipped beam bulb -M31-
CE:
Connector A (11-pin)
Pin 1: Terminal 30 right
Pin 2: Dipped beam right
Pin 3: Main beam right
Pin 4: Fog light right
Pin 5: Vacant
Pin 6: Flasher front right
Pin 7: Side light front left
Pin 8: Flasher side left
Pin 9: Terminal 31 left
Pin 10: Electric fuel pump relay
Pin 11: Terminal 50 relay
Connector B (12-pin)
Pin 1: Reversing light right
Pin 2: Vacant
Pin 3: Light sensor supply
Pin 4: Fog tail light, left
Pin 5: Brake light right
Pin 6: Vacant
Pin 7: Footwell light
Pin 8: Vacant
Pin 9: Side light rear right
Pin 10: Rear right turn signal
Pin 11: Interior lighting
Pin 12: Terminal 58s
Connector C (12-pin)
Pin 1: Seat heating shut-off
Pin 2: Brake light left
Pin 3: Vacant
Pin 4: Coming Home LED
Pin 5: Vacant
Pin 6: Vacant
Pin 7: Vacant
Pin 8: Number plate light
Pin 9: Brake light centre
Pin 10: Side light rear left
Pin 11: Rear left turn signal
Pin 12: Vacant
Connector D (11-pin)
Pin 1: Terminal 30 left
Pin 2: Fog light left
Pin 3: Main beam left
Pin 4: Dipped beam left
Pin 5: Terminal 31 right
Pin 6: Vacant
Pin 7: Terminal 15 engine relay
Pin 8: Headlight washer relay
Pin 9: Flasher side right
Pin 10: Side light front right
Pin 11: Flasher front left
Connector E (16-pin)
Pin 1: Side lights switch
Pin 2: Brake light switch
Pin 3: Vacant
Pin 4: Vacant
Pin 5: Garage door opener input
Pin 6: Fog tail light switch
Pin 7: P/N without interlock switch
Pin 8: Dipped beam switch
Pin 9: Vacant
Pin 10: Vacant
Pin 11: Light sensor input
Pin 12: Coming Home potentiometer tap
Pin 13: Fog tail light switch
Pin 14: Assistance driving lights switch
Pin 15: EC mirror non-dipping
Pin 16: Light switch 0 setting
Connector F (8-pin)
Pin 1: Terminal 50 diagnosis
Pin 2: Terminal 15 engine diagnosis
Pin 3: LIN bus
Pin 4: Terminal L-alternator
Pin 5: Bonnet contact
Pin 6: Reversing light switch
Pin 7: Terminal 30 reference
Pin 8: Terminal 31 reference
Connector G (12-pin)
Pin 1: Terminal 50 switch
Pin 2: Hazard warning lights LED
Pin 3: Rear window heater LED
Pin 4: Terminal 58s potentiometer ground
Pin 5: Vacant
Pin 6: Rear window heater button
Pin 7: Convenience CAN Low
Pin 8: Convenience CAN High
Pin 9: Hazard warning lights button
Pin 10: Terminal 58s potentiometer supply
Pin 11: Terminal 15 switch
Pin 12: Terminal 58s potentiometer tap
Connector H (12-pin)
Pin 1: Vacant
Pin 2: Vacant
Pin 3: Vacant
Pin 4: Vacant
Pin 5: Vacant
Pin 6: Vacant
Pin 7: Vacant
Pin 8: Vacant
Pin 9: Vacant
Pin 10: Vacant
Pin 11: Vacant
Pin 12: Vacant