Differential Overview
The E46 330 uses a rear-mounted differential housed in an aluminum case.
Specifications
Section titled “Specifications”| Configuration | Ratio | Type |
|---|---|---|
| 330i/Ci Manual | 3.07:1 | Open |
| 330i/Ci Automatic | 3.46:1 | Open |
| 330xi (all) | 3.46:1 | Open |
| M3 | 3.62:1 | LSD (Type 210) |
Differential Types
Section titled “Differential Types”- Open differential: Standard on all 330 models
- Limited-slip differential (LSD): Available as aftermarket upgrade
Identification
Section titled “Identification”The ratio is stamped on a metal tag on the housing. Cover bolt pattern identifies type (small=168, large=188/210).