Engine Identification
NOTE:
For engine repair procedures not covered in this article, see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article in the GENERAL INFORMATION section.
The engine displacement and identification numbers are stamped on a pad on the lower left side of engine block.
ENGINE IDENTIFICATION CODES
| Application | Engine Code |
|---|---|
| 325i, 325iC, & 325iS | M20B25 |
| 525i | M20B25M |