OEX Alternator 12V 120A – BXA4033

The OEX BXA4033 is a high-quality 12V, 120A alternator designed for a wide range of BMW petrol and diesel models, including popular 3 Series, 5 Series, 7 Series, and X5 vehicles from the late 80s through to the mid-2000s. Built to OE standards, this unit features a 6-groove pulley and robust twin-leg mount—ideal for reliable charging performance in New Zealand conditions. Supplied brand new (not reconditioned), this alternator is a direct replacement for the OE unit, offering peace of mind with a solid warranty.

Features:

• 6-groove pulley for secure belt drive

• High 120A output for accessory-rich vehicles

• Direct OE replacement, brand new (not exchange)

• Sturdy twin-leg mounting for easy, reliable fitment

• Internal Regulator (IR122)

• 3-year passenger / 1-year commercial warranty for NZ customers

Specifications:

• Voltage: 12V

• Amperage: 120A

• Pulley: 6 Groove (included)

• Mount Centres: 127mm

• Shaft Diameter: 50mm

• Regulator: Internal (IR122)

• Mount Type: Twin Leg

• Weight: 7.15kg

• Condition: New

OEM Part No.: IR122
Fits:
(Sample, full compatibility on request. All are RWD unless specified)

• BMW 3 Series:

  • E30 318i 1.8L M40 (09/87–06/91)

  • E36 320i 2.0L M50/M52, 323i 2.5L M52, 328i 2.8L M52 (91–99, Coupe/Sedan/Convertible)

  • E46 320i/Ci 2.0/2.2L M52/M54, 323i/Ci 2.5L M52, 325i/Ci/ti 2.5L M54, 328i 2.8L M52, 330i/Ci 3.0L M54, M3 3.2L S54

• BMW 5 Series:

  • E34 530i V8 3.0L M60 (92–95)

  • E39 520i/523i/528i/530i/M5 (96–03)

  • E60 525i 2.5L M54 (03–05)

• BMW 7 Series:

  • E32 730i/iL V8 3.0L (92–94)

  • E38 730i/iL 3.0L (94–96)

• BMW X5:

  • E53 3.0L M54/M57 (00–06; petrol and turbo diesel)

• BMW Z3:

  • E36 2.0L/2.2L/2.8L Convertible/Coupe (96–03)