Axle & Differential for 2021 BMW M4
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. Axle Seal 
13. Axle Seal 
14. Seal 
15. Rear Seal 16. Differential Assembly Rear Bolt No.
Part # / Description / Price
Price
1
Differential Assembly 
BMW
BMW Description: M3. To 02/22. M4. Comp m xdrive. Competition. To 02/2022.
$5,142.02
$5,142.02
2
$96.58
3
Differential Cover BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: X7. 4.4l. With alpina. With m, m competition. M model. With m sport differential, with M4.
$165.52
$165.52
5
Motor Assembly BMW
BMW Notes: PARTS: Part included with differential assembly.
Description: With m sport differential, with M4. With m, m competition. With m sport differential, with M3. M model. M5. M8. With m, 2023-25.
$553.65
$553.65
6
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.
$37.24
$37.24
7
Front Mount BMW
BMW Description: With m sport differential, with M4. M3. Front. With m, 2023-25.
$199.11
$199.11
8
$133.71
11
$480.51
12
Control Module Mount Bracket BMW
BMW Description: With m sport differential without M4. Sedan, with m sport differential, without M3.
$20.62
$20.62
13
Axle Assembly BMW
BMW Positions: Right
Notes: PARTS: Part has related component that cannot be reused/reinstalled; axle bolt.
Description: M3. Right. M4. Comp m xdrive. Base. Competition.
$1,857.26
$1,857.26
13
Axle Assembly BMW
BMW Positions: Left
Notes: PARTS: Part has related component that cannot be reused/reinstalled; axle bolt.
Description: M3. Left. M4. Comp m xdrive. Base. Competition.
$1,857.26
$1,857.26
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.
$17.85
$17.85