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Control unit box for BMW 3 Series E46 325i (2002)

This Control unit box technical drawing provides a detailed breakdown of the assembly for the 3 Series E46 325i. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2002.

Control unit box
No. Description Supp. Qty  From   Up To  Part Number Price Notes
01 Cover electronic-box 1 09/2002 12901436443 $29.14 Shop at ECS Tuning
02 Bottom part, E-Box 1 09/2002 12907534921 $46.27 Shop at ECS Tuning
only in conjunction with
-- Cover electronic-box 1 09/2002 12907521582 $29.14 Shop at ECS Tuning
-- Plastic bolt 6,0X16-Z2 4 09/2002 12907569973 $0.47 Shop at ECS Tuning
02 Bottom part, E-Box 1 12907534921 $46.27 Shop at ECS Tuning
03 Carrier relay 1 12901437378 $2.47 Shop at ECS Tuning
04 Grommet 1 12901436449 $3.37 Shop at ECS Tuning
05 Cover with blower 1 12907570074 $90.84 ENDED Shop at ECS Tuning
For vehicles with
Automatic transmission
or
Hot-climate version

S205A=No

S823A=No
05 Cover 1 12907570071 $5.60 Shop at ECS Tuning
For vehicles with
Automatic transmission
and
Hot-climate version

S205A=Yes

S823A=Yes
05 Cover with blower 1 12907571019 $90.84 Shop at ECS Tuning
For vehicles with
Automatic transmission
or
Sequential manual transmission (SMG)
or
Hot-climate version

S205A=Yes

S206A=Yes

S823A=Yes
05 Cover with blower 1 12907571019 $90.84 Shop at ECS Tuning
06 Inner hex bolt M6X24 4 09/2002 34436783644 $7.54 Shop at ECS Tuning
For vehicles with
Automatic transmission

S205A=Yes
07 Temperature switch 35 CEL 1 12521741900 $31.13 Shop at ECS Tuning
08 Control unit support 1 09/2001 12901437377 $11.46 Shop at ECS Tuning
11 Grommet 1 61138372286 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 E46 325i Control unit box?
This technical diagram illustrates the Control unit box within the Engine electrical system group for the 3 Series E46 325i produced during 2002. It provides a detailed exploded view of the components, identifying key parts such as the Cover electronic-box (Part #12901436443).
Which models use the hardware listed in this Control unit box?
The hardware and components featured in the Control unit box are specific to the 3 Series E46 325i produced during 2002. These technical specifications ensure that parts like the Cover electronic-box (12901436443) are correctly matched to the vehicle's structural and mechanical requirements.
How do I find specific parts within the Control unit box assembly?
Each item in the Control unit box corresponds to the numbered list below the illustration. For the 3 Series E46 325i, you can identify the Cover electronic-box by locating its position on the schematic, which then links to the official BMW part number 12901436443 for the Engine electrical system section.