Axle & Differential for 2021 BMW M440i
1. Differential Assembly 
2. Axle Assembly Dust Cap 
3. Axle Assembly Dust Cap 
4. Axle Assembly Dust Cap 
5. Axle Assembly Dust Cap 
6. Dust Cover 
7. Axle Assembly Dust Cap 
8. Axle Assembly Dust Cap 
9. Axle Assembly Dust Cap 
10. Axle Assembly Dust Cap 
11. Axle Assembly Dust Cap 12. Differential Assembly Rear Bolt No.
Part # / Description / Price
Price
1
Differential Assembly 
BMW
BMW Description: M240i xDrive. M340i. Electronic Limited Slip Differential. 330i. 430i. M440i. Convertible. Without m, 2022-25, with m sport differential, awd. Sedan, with m sport differential, without M3. Without m, 2022-25, with m sport differential, rwd.
MSRP $4,931.27
$4,684.71
MSRP $4,931.27
$4,684.71
2
Axle Seal BMW
BMW Positions: Left
Notes: PARTS: Part included with differential assembly.
MSRP $96.58
$91.75
MSRP $96.58
$91.75
3
MSRP $142.21
$135.10
4
Differential Cover Plug BMW
BMW Notes: PARTS: Part included with differential assembly.
MSRP $11.61
$11.03
MSRP $11.61
$11.03
5
Gear BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: With m sport differential, without M4. Without m, 2022-25, with m sport differential, awd. Without m, 2022-25, with m sport differential, rwd. Sedan, with m sport differential, without M3.
6
Gear Shaft BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: With m sport differential, without M4. Without m, 2022-25, with m sport differential, awd. Sedan, with m sport differential, without M3. Without m, 2022-25, with m sport differential, rwd.
7
Gear O-Ring BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: With m sport differential, without M4. Without m, 2022-25, with m sport differential, awd. Without m, 2022-25, with m sport differential, rwd. Sedan, with m sport differential, without M3.
MSRP $36.16
$34.35
MSRP $36.16
$34.35
8
Temp Sensor BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: With m sport differential, with M4. With M6. With m, m competition. M5. With m model. Without m, 2022-25, with m sport differential, awd. Without m, 2022-25, with m sport differential, rwd. Sedan, with m sport differential, without M3.
MSRP $37.24
$35.38
MSRP $37.24
$35.38
9
Control Module BMW
BMW Description: Electronic Limited Slip Differential. With m sport differential, without M4.
MSRP $480.51
$456.48
MSRP $480.51
$456.48
10
Control Module Mount Bracket BMW
BMW Description: With m sport differential without M4. Sedan, with m sport differential, without M3.
11
Heat Shield BMW
BMW Description: With m sport differential, without M4. Without m, 2022-25, with m sport differential, awd. Sedan, with m sport differential, without M3. Without m, 2022-25, with m sport differential, rwd.
MSRP $35.42
$32.94
MSRP $35.42
$32.94
14
Axle Assembly Dust Cap BMW
BMW Positions: Right
Description: Without m, m competition, m40i, with m sprt difrntal. 2.0L. With hybrid. Xdrive 45e. 4.4L, with M8. Xdrive 50i, m50i. M model. With m sport differential.
MSRP $17.85
$16.96
MSRP $17.85
$16.96