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Seat, front, lumbar for BMW 3 Series G20 Sedan 330iX (2020)

This Seat, front, lumbar technical drawing provides a detailed breakdown of the assembly for the 3 Series G20 Sedan 330iX. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2020.

Seat, front, lumbar
No. Description Supp. Qty  From   Up To  Part Number Price Notes
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
S481A=No

S488A=Yes
01 Lumbar support pad with pump 2 52107418338 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
and
M Sports seats
S481A=No

S488A=Yes

S711A=No
01 Lumbar support pad with pump 2 52107418338 Shop at ECS Tuning
For vehicles with
Lumbar support, driver and passenger
and
Adjuster, backrest width
and
M Sports seats
S488A=Yes

S490A=No

S711A=No
01 Lumbar support pad with pump 2 52107418338 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
S481A=Yes

S488A=No
02 Backrest width adjuster with valve 2 52107418339 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
and
Adjuster, backrest width
and
M Sports seats
S481A=Yes

S488A=No

S490A=Yes

S711A=No
02 Backrest width adjuster with valve 2 52107418339 Shop at ECS Tuning
For vehicles with
M Sports seats
S711A=Yes
03 Backrest width adjustment 2 52107418340 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
S481A=Yes

S488A=Yes
03 Backrest width adjustment 2 52107418340 Shop at ECS Tuning
For vehicles with
Sports seat
and
M Sports seats
S481A=Yes

S711A=Yes
03 Backrest width adjustment 2 52107468673 Shop at ECS Tuning
For vehicles with
Sports seat
and
M Sports seats
S481A=Yes

S711A=No
03 Backrest width adjustment 2 52107468673 Shop at ECS Tuning
For vehicles with
Sports seat
and
M Sports seats
S481A=No

S711A=Yes
03 Backrest width adjustment 2 52107468673 NoS Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
and
Adjuster, backrest width
and
M Sports seats
S481A=Yes

S488A=Yes

S490A=Yes

S711A=No
03 Backrest width adjustment 2 52107418340 Shop at ECS Tuning
For vehicles with
Sports seat
and
Adjuster, backrest width
and
M Sports seats
S481A=Yes

S490A=No

S711A=No
04 Supporting plate, left 2 52107431796 Shop at ECS Tuning
04 Supporting plate, right 2 52107468674 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
S481A=Yes

S488A=Yes
05 Switch for lumbar support, left 1 61319231269 Shop at ECS Tuning
05 Switch for lumbar support, right 1 61319231270 Shop at ECS Tuning
For vehicles with
Seat adjuster, electric, with memory
and
Lumbar support, driver and passenger
and
Seat with active ventilation
S459A=No

S488A=Yes

S4FHA=No
05 Switch for lumbar support, left 1 61319231269 Shop at ECS Tuning
05 Switch for lumbar support, right 1 61319231270 Shop at ECS Tuning
06 Switch FEH LBV 2 61319227855 Shop at ECS Tuning
For vehicles with
Sports seat
and
Lumbar support, driver and passenger
S481A=Yes

S488A=Yes
06 Switch FEH LBV 2 61319227855 Shop at ECS Tuning
07 Fillister head screw with collar 8 07147187828 $0.38 Shop at ECS Tuning
Notes
  • NoS = No Stock (Part centrally not stocked)

See Also

SEAT FRONT, UPHOLSTERY & COVER BASE SEAT SEAT FRONT, UPHOLSTERY & COVER BASE SEAT
SEAT, FRONT, UPHLSTRY, COVER, SPORT SEAT SEAT, FRONT, UPHLSTRY, COVER, SPORT SEAT
SEAT, FRONT, HEAD RESTRAINT SEAT, FRONT, HEAD RESTRAINT
SEAT, FRONT, SEAT TRIM, MANUAL SEAT, FRONT, SEAT TRIM, MANUAL
SEAT, FRONT, SEAT TRIM COVERS, ELECTRIC SEAT, FRONT, SEAT TRIM COVERS, ELECTRIC
SEAT, FRONT, SEAT FRAME, MANUAL SEAT, FRONT, SEAT FRAME, MANUAL
SEAT, FRONT, BACKREST FRAME SEAT, FRONT, BACKREST FRAME
SEAT, FRONT, SEAT FRAME, ELECTRIC SEAT, FRONT, SEAT FRAME, ELECTRIC
SEAT, FRONT, BACKREST TRIM COVERS SEAT, FRONT, BACKREST TRIM COVERS
FRONT SEAT HEADREST, M-SPORTS SEAT FRONT SEAT HEADREST, M-SPORTS SEAT
SEAT, FRONT, ELECTRICAL AND MOTORS SEAT, FRONT, ELECTRICAL AND MOTORS
SEAT REAR, UPHOLSTERY & COVER BASE SEAT SEAT REAR, UPHOLSTERY & COVER BASE SEAT
SEAT, REAR, UPHLSTRY/COVER, LOAD-THROUGH SEAT, REAR, UPHLSTRY/COVER, LOAD-THROUGH
SEAT, REAR, HEAD RESTRAINT, BASE SEAT SEAT, REAR, HEAD RESTRAINT, BASE SEAT
REAR SEAT HEAD RESTRAINT REAR SEAT HEAD RESTRAINT
SEAT, REAR, SEAT TRIM COVERS SEAT, REAR, SEAT TRIM COVERS
SEAT, REAR, SEAT FRAME, LOAD-THROUGH SEAT, REAR, SEAT FRAME, LOAD-THROUGH
REAR SEAT CENTER ARMREST REAR SEAT CENTER ARMREST
SEAT, REAR, SEAT FRAME, BASE SEAT SEAT, REAR, SEAT FRAME, BASE SEAT

Frequently Asked Questions

What assembly is shown in the BMW 3 Series G20 Sedan 330iX Seat, front, lumbar?
This technical diagram illustrates the Seat, front, lumbar within the Seats group for the 3 Series G20 Sedan 330iX produced during 2020. It provides a detailed exploded view of the components, identifying key parts such as the Lumbar support pad with pump (Part #52107418338).
Which models use the hardware listed in this Seat, front, lumbar?
The hardware and components featured in the Seat, front, lumbar are specific to the 3 Series G20 Sedan 330iX produced during 2020. These technical specifications ensure that parts like the Lumbar support pad with pump (52107418338) are correctly matched to the vehicle's structural and mechanical requirements.
How do I find specific parts within the Seat, front, lumbar assembly?
Each item in the Seat, front, lumbar corresponds to the numbered list below the illustration. For the 3 Series G20 Sedan 330iX, you can identify the Lumbar support pad with pump by locating its position on the schematic, which then links to the official BMW part number 52107418338 for the Seats section.