Product Name: BMW High-Output Alternator (Generator) 180A OE / Cross-Reference Numbers: 104211-0591 / 1042110591 / 104211-0590 / 12318645325 / 12318645326 / 12318648045 / 12318648046 / 12318648047 / 8645325 / 8648045 / LRA04190 / LRA04194 / DAN1462 / DRA1897 / DRA1898 / IFX17730 (regulator) / etc. (and related Denso/BMW equivalents) Brand Compatibility: Denso OEM-quality (new or premium remanufactured) – matches BMW genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 180A (high-output for enhanced electrical demands)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP), diameter ≈ approx. 49-55mm range
- Rotation: Clockwise (CW)
- Regulator: Integrated with LIN/COM interface (IFX17730 regulator variant in many listings, 14.3V set point)
- Mounting: 4 mounting holes / direct bolt-on
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- BMW 2 Series (F22/F23 Coupe/Convertible) 230i / 230i xDrive 2017–2021
- BMW 3 Series (F30/F31/F34 Sedan/Touring/GT) 330i / 330i xDrive 2016–2019
- BMW 4 Series (F32/F33/F36 Coupe/Convertible/Gran Coupe) 430i / 430i xDrive 2017–2020
- Other BMW models with B46/B48 2.0L turbo engines (e.g., select 1 Series F20/F21 or export variants)
Product Highlights:
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High 180A Output — Provides robust, consistent charging to support premium features like iDrive navigation, Harman Kardon audio, adaptive headlights, power seats, and turbo engine electronics without voltage drops or battery drain – ideal for modern turbo models.
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Exact OEM Fit — Bolt-on replacement for BMW part 12318645325 / 12318648045 / Denso 104211-0591. No modifications required; fully compatible with vehicle ECU and diagnostics.
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Quiet & Durable — Freewheel pulley minimizes belt noise, wear, and vibrations for smooth, long-lasting performance in premium turbo applications.
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Premium Quality — Denso-tested for heat endurance, overspeed, and full-load reliability to match OE standards in demanding conditions.
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Excellent Value — Genuine BMW alternators are expensive – this high-spec replacement delivers identical performance at a more competitive price.
Installation Notes:
- Professional installation recommended (engine bay access in these models).
- Inspect serpentine belt, tensioner, and battery condition before fitting.
- After installation: Clear codes with BMW diagnostic tool (e.g., ISTA) and verify charging voltage (typically 13.8–14.8V under load).
🔥 BMW 230i / 330i / 430i 180A Alternator – Turbo B48 Charging Upgrade! OE Cross: 104211-0591 / 12318645325 / 12318648045 – Denso Premium Match! Perfect for 2016–2021 2.0L turbo models (230i F22/F23, 330i F30/F31/F34, 430i F32/F33/F36) – ends dim lights, weak charging, or electrical strain on your luxury performance BMW!
- 180A massive high-output
- 6-groove freewheel pulley – quiet & durable
- Direct OEM replacement
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