Engine Identification
Displacement and identification numbers are on top rear of engine block on bellhousing flange.
ENGINE IDENTIFICATION CODES
| Application | Engine Size |
|---|---|
| 535i, 535is, 635CSi, 735i & 735iL | 3.5L |
CAUTION:
Before performing any work on vehicles equipped with Supplemental Restraint System (SRS), disconnect SRS control unit. Use EXTREME caution when testing or repairing any electrical equipment on or around steering column (air bag might deploy).