Plug connection from A4*3B-> A437*1B for BMW 3 Series G20 Sedan LCI 330i (2025)
This Plug connection from A4*3B-> A437*1B technical drawing provides a detailed breakdown of the assembly for the 3 Series G20 Sedan LCI 330i. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2025.
| No. | Description | Supp. | Qty | From | Up To | Part Number | Price | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| i | Note: The parts declared as being "only in combination with" parts are not considered to be absolutely necessary for an order. They serve informational purposes and can be ordered if required. All plug/socket housings listed below serve as an installation overview for the component code. Refer to the "AIR" system for the exact installation location for the respective vehicle. |
|||||||||
| A402*1B - HU-H3 | ||||||||||
| 02 | Socket housing | 16 POL./Z-CODE | 1 | 61136901662 | $2.55 | Shop at ECS Tuning | ||||
| only in conjunction with | ||||||||||
| -- | Contact bushing MQS with cable | 0,2-0,35 MM² AG | 4 | 61130056962 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 1,5-2,5 MM² AG | 2 | 61130070576 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 2 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 4 | 61138727251 | Shop at ECS Tuning | |||||
| A403*1B - Receiver audio module | ||||||||||
| 03 | Covering cap | 42 POL. | 1 | 61138364862 | $2.15 | ENDED | Shop at ECS Tuning | |||
| only in conjunction with | ||||||||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 0,5-1,0 MM² SN | 5 | 61130056370 | Shop at ECS Tuning | |||||
| -- | Contact bushing MQS with cable | 0,5-0,75 MM² AG | 10 | 61130056960 | Shop at ECS Tuning | |||||
| -- | Contact bushing MQS with cable | 0,2-0,35 MM² AG | 6 | 61130056962 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 1,5-2,5 MM² AG | 5 | 61130070576 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 5 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 16 | 61138727251 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,5-1,5MM² | 5 | 61138727252 | Shop at ECS Tuning | |||||
| A404*1B - Booster | ||||||||||
| 04 | Universal cover cap, uncoded | 42 POL. | 1 | 61138364810 | Shop at ECS Tuning | |||||
| only in conjunction with | ||||||||||
| -- | Contact bushing MQS with cable | 0,2-0,35 MM² AG | 4 | 61130056962 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 1,5-2,5 MM² AG | 4 | 61130070576 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 4 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 4 | 61138727251 | Shop at ECS Tuning | |||||
| A416*2B - Controlled limited slip differential |
||||||||||
| 07 | Socket housing | 12 POL. | 1 | 12527570215 | Shop at ECS Tuning | |||||
| only in conjunction with | ||||||||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 2 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 9 | 61138727251 | Shop at ECS Tuning | |||||
| -- | Contact bushing MCON 2.8 with cable | 1,5-2,5MM² AG | 2 | 12520056958 | Shop at ECS Tuning | |||||
| -- | Contact bushing MCON 2.8 with cable | 0,35-0,5MM² AG | 1 | 12520085037 | Shop at ECS Tuning | |||||
| -- | Contact bushing MCON 2.8 with cable | 0,22-0,35MM² SN | 8 | 12525A075F2 | Shop at ECS Tuning | |||||
| A416*1B - Controlled limited slip differential |
||||||||||
| 07 | Socket housing | 9 POL. KOD A | 1 | 12527570217 | Shop at ECS Tuning | |||||
| only in conjunction with | ||||||||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 2 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 2 | 61138727251 | Shop at ECS Tuning | |||||
| -- | Contact bushing MCON 2.8 with cable | 1,5-2,5MM² AG | 2 | 12520056958 | Shop at ECS Tuning | |||||
| -- | Contact bushing MCON 2.8 with cable | 0,22-0,35MM² SN | 2 | 12525A075F2 | Shop at ECS Tuning | |||||
| A42*1B - Head Unit | ||||||||||
| 08 | Socket housing | 16 POL. | 1 | 61139192478 | Shop at ECS Tuning | |||||
| only in conjunction with | ||||||||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 0,5-1,0 MM² SN | 4 | 61130056370 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 0,35-0,5 MM² SN | 12 | 61130056946 | Shop at ECS Tuning | |||||
| -- | Contact bushing MQS with cable | 0,2-0,35 MM² AG | 10 | 61130056962 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 1,5-2,5 MM² AG | 6 | 61130070576 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 1,5-2,5MM² | 6 | 61138727250 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 22 | 61138727251 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,5-1,5MM² | 4 | 61138727252 | Shop at ECS Tuning | |||||
| A424*1B - control electronics, anti- slip rails |
||||||||||
| 09 | Covering cap | 1 | 61136905167 | $2.59 | Shop at ECS Tuning | |||||
| only in conjunction with | ||||||||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 0,5-1,0 MM² SN | 2 | 61130056370 | Shop at ECS Tuning | |||||
| -- | Buchsenkontakt ELO-Power mit Kabel | 0,35-0,5 MM² SN | 4 | 61130056946 | Shop at ECS Tuning | |||||
| -- | Contact bushing MQS with cable | 0,2-0,35 MM² AG | 1 | 61130056962 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,17-0,5MM² | 5 | 61138727251 | Shop at ECS Tuning | |||||
| -- | Crimp connector with shrink-fit hose | 0,5-1,5MM² | 2 | 61138727252 | Shop at ECS Tuning | |||||
| A429*1B - USB charging socket | ||||||||||
| 12 | Rep. kit for socket housing | 4 POL. | 1 | 61132359994 | Shop at ECS Tuning | |||||
Notes
- ENDED = the part has been discontinued (no longer available).
See Also
Frequently Asked Questions
- What assembly is shown in the BMW 3 Series G20 Sedan LCI 330i Plug connection from A4*3B-> A437*1B?
- This technical diagram illustrates the Plug connection from A4*3B-> A437*1B within the Vehicle electrical system group for the 3 Series G20 Sedan LCI 330i produced during 2025. It provides a detailed exploded view of the components, identifying key parts such as the Socket housing (Part #61136901662).
- Which models use the hardware listed in this Plug connection from A4*3B-> A437*1B?
- The hardware and components featured in the Plug connection from A4*3B-> A437*1B are specific to the 3 Series G20 Sedan LCI 330i produced during 2025. These technical specifications ensure that parts like the Socket housing (61136901662) are correctly matched to the vehicle's structural and mechanical requirements.
- How do I find specific parts within the Plug connection from A4*3B-> A437*1B assembly?
- Each item in the Plug connection from A4*3B-> A437*1B corresponds to the numbered list below the illustration. For the 3 Series G20 Sedan LCI 330i, you can identify the Socket housing by locating its position on the schematic, which then links to the official BMW part number 61136901662 for the Vehicle electrical system section.