MPA Electrical
Remanufactured

MPA Electrical 15055 Alternator

Brand MPA Electrical 15055
Amps 170 Amps
Clock 11:00
Fan Internal
Manufacturer Nippondenso
Pulley 6 Groove Serpentine Clutch Pulley
Regulator Internal
Rotation Clockwise
Volts 12 Volts
Product line Remanufactured
Fits BMW · 3 vehicles

Remanufactured unit. A cost-conscious alternator built for dependable charging performance.

170 amps. Provides strong electrical output for demanding charging needs.

Internal regulator. Simplifies the charging system with integrated voltage control.

Cross-references Remy 11511, 12-31-7-552-815 and 12-31-7-552-816 for the same application. See all 4.

$216.93Free shipping
In stock · usually ships same day before 1pm CST
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Remanufactured Alternator for BMW Z4

MPA Electrical Part Number 15055 is a remanufactured 170 amp alternator for select BMW Z4 applications. Built for 12-volt charging systems, it uses an internal regulator, internal fan, and a 6-groove serpentine clutch pulley for OE-style fitment and operation.

Key Features

  • 170 amp output for BMW charging system service
  • 12 volt alternator with clockwise rotation
  • Internal regulator and internal fan
  • 6-groove serpentine clutch pulley
  • Manufacturer: Nippondenso
  • Remanufactured MPA Electrical Part Number 15055

Product Details

This remanufactured alternator is built for 2009-2011 BMW Z4 models and is intended for vehicles using the listed Nippondenso-style configuration. The 11:00 clock position and serpentine clutch pulley help match the original mounting and belt drive layout. MPA Electrical 15055 is also cross-referenced to Remy 11511 for the same application.

Compatible With 2009-2011 BMW Z4 charging system service, this alternator supports replacement of a worn or failing OE unit while maintaining the specified electrical output and pulley configuration. Search terms such as BMW Z4 alternator 170 amp, 2009 BMW Z4 alternator replacement, and 2011 BMW Z4 remanufactured alternator apply to this part.

What It Helps Solve

  • Battery warning light caused by low alternator output
  • Dim lights or unstable electrical performance
  • Charging system failure from a worn internal regulator
  • Noise or belt issues related to a failing pulley assembly
  • Starting problems caused by insufficient charging voltage

Installation Notes and Tips

Verify the 11:00 clock position, clockwise rotation, 6-groove serpentine clutch pulley, and Nippondenso configuration before installation. Confirm the vehicle uses a 12-volt, 170 amp charging setup and match the original connector and mounting layout to the removed unit. Fits 2009-2011 BMW Z4, N/A.

Quality Assurance

MPA Electrical remanufactured components are rebuilt to restore charging-system function for service replacement use. Part Number 15055 is intended to meet the listed application requirements for BMW Z4 alternator replacement.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011BMWZ43.0LL6N/ARemanufactured
2010BMWZ43.0LL6N/ARemanufactured
2009BMWZ43.0LL6N/ARemanufactured
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Remy — 1151112-31-7-552-81512-31-7-552-816104210-6040