Fitment-first matching
CF-13986N is prepared for alternator sourcing with Part No, OE, Lester number, and application records checked together.

Alternators
CF-13986N alternator for BMW - Europe Z4 (E85) Eng.M54 B22 (226S1) 2.2 i 125kw, BMW - Europe Z4 (E85) Eng.M54 B25 (256S5) 2.5 i 141kw, BMW - Europe Z4 (E85) Eng.M54 B30 (306S3) 3.0 i 170kw and related applications (12V / 120A / S6).
| Voltage | 12V |
|---|---|
| Amperage | 120A |
| Rotation | CW |
| Pulley Class | S6 |
| Regulator/Fan | IR/IF |
| Part No | CF-13986N |
|---|---|
| MFR | BOSCH |
| Part Type | Alternator |
| Lester Numbers | |
|---|---|
| BMW | |
| Bosch |
Alternator matching focuses on amperage, voltage, pulley configuration, regulator/fan design, plugs, and OE replacement references.
CF-13986N is prepared for alternator sourcing with Part No, OE, Lester number, and application records checked together.
Core specifications such as voltage, power or amperage, rotation, teeth, and design are reviewed before sample or bulk quotation.
MFR BOSCH and replacement references including 13986 help buyers compare existing units and reduce wrong-part risk.
Share target quantity, destination, sample need, and packaging requirement so Crankvia can confirm the practical supply path.
Application records are provided as compatibility references. Confirm OE number, vehicle configuration, engine, and market version before final ordering.
Part No
CF-13986N
Records
15
Makes
2
Models
11
Year range
2003-2006
| Make | Model | Engine | Year | Note |
|---|---|---|---|---|
| BMW - Europe | Z4 (E85) Eng.M54 B22 (226S1) 2.2 i 125kw | M54 B22 (226S1) | 2003-2005 | - |
| BMW - Europe | Z4 (E85) Eng.M54 B25 (256S5) 2.5 i 141kw | M54 B25 (256S5) | 2003-2005 | - |
| BMW - Europe | Z4 (E85) Eng.M54 B30 (306S3) 3.0 i 170kw | M54 B30 (306S3) | 2003-2005 | - |
| BMW - Europe | Z4 | 2200, M54 22 6S1 | 2003-2005 | - |
| BMW - Europe | Z4 | 2500, M54 25 6S5 | 2003-2006 | - |
| BMW - Europe | Z4 | 3000, M54 30 6S3 | 2003-2006 | - |
| BMW | 325Ci | L6 2.5L 2494cc 152cid | 2004-2006 | - |
| BMW | 325i | L6 2.5L 2494cc 152cid | 2004-2005 | - |
| BMW | 325xi | L6 2.5L 2494cc 152cid | 2004-2005 | - |
| BMW | 330Ci | L6 3.0L 2979cc | 2004-2006 | - |
| BMW | 330i | L6 3.0L 2979cc | 2004-2005 | - |
| BMW | 330xi | L6 3.0L 2979cc | 2004-2005 | - |
| BMW | 330xi | L6 3.0L 2996cc | 2006 | - |
| BMW | Z4 | L6 2.5L 2494cc 152cid | 2003-2005 | - |
| BMW | Z4 | L6 3.0L 2979cc | 2003-2005 | - |
Use these checks together with the application table before final ordering.
Compare Part No, OE numbers, Lester Numbers, the application records, and the spec table. The page is organized around BMW - Europe Z4 (E85) Eng.M54 B22 (226S1) 2.2 i 125kw, BMW - Europe Z4 (E85) Eng.M54 B25 (256S5) 2.5 i 141kw, BMW - Europe Z4 (E85) Eng.M54 B30 (306S3) 3.0 i 170kw and related applications.
Start with Voltage: 12V, Amperage: 120A, Rotation: CW, Pulley Class: S6, then cross-check OE numbers BMW 12-31-7-519-618, 12-31-7-519-620, Bosch 0 124 515 105.
Share label photos, drive-end and connector shots, and any partial number or Lester Numbers 13986. That usually narrows the match quickly.
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