Product Name: BMW High-Output Alternator (Generator) 220A–230A OE / Cross-Reference Numbers: 12317823345 / 12317823347 / 12318579419 / FG23S033 / FGN23S033 / 439788 / 440419 / 12-31-7-823-345 / 12-31-7-823-347 / LRA03371 / LRA3371 / 14.201.286 / 29215390 / etc. (and related Valeo/BMW equivalents) Brand Compatibility: Valeo OEM-quality (new or premium remanufactured) – matches BMW genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 220A–230A (ultra-high-output for demanding diesel systems)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP), diameter ≈54–55mm
- Rotation: Clockwise (CW)
- Regulator: Integrated IR/IF (Internal Regulator / Internal Fan) with LIN/COM interface
- Mounting: Three-point / direct bolt-on (position L 95°)
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- BMW 3 Series (F30/F31/F34) 328d / 328d xDrive (N47 2.0L turbo diesel) 2012–2018
- BMW 1 Series (F20/F21) 118d / 120d / 125d (N47 2.0L turbo diesel) 2012–2015
- BMW X3 (F25) xDrive28d (N47 2.0L turbo diesel) 2013–2017
- Other BMW models with N47 2.0L diesel engines (e.g., select 5 Series or export variants)
Product Highlights:
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Ultra-High 220A–230A Output — Exceptional charging capacity to handle diesel luxury features like adaptive suspension, premium audio, navigation, heated/ventilated seats, and aftermarket additions without voltage drops or battery drain – ideal for efficient diesel models with heavy loads.
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Exact OEM Fit — Bolt-on replacement for BMW part 12317823345 / 12317823347 / Valeo FG23S033 / 439788 / 440419. No modifications needed; fully compatible with vehicle ECU, diagnostics, and diesel electronics.
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Quiet & Long-Lasting — Freewheel pulley minimizes belt noise, wear, and vibrations for smooth, refined performance and extended service life in premium diesel applications.
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Premium Quality — Valeo-tested for high-temperature endurance, overspeed, and full-load reliability to match OE standards in demanding conditions.
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Outstanding Value — Genuine BMW alternators are expensive – this high-spec replacement offers identical performance at a more competitive price.
Installation Notes:
- Professional installation recommended (tight engine bay in these models).
- Check 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 328d / X3 xDrive28d 220A–230A Alternator – Diesel Efficiency Powerhouse! OE Cross: 12317823345 / 12317823347 / FG23S033 / 439788 / 440419 – Valeo Premium Match! Perfect for 2012–2018 2.0L N47 diesel models (328d F30/F31/F34, X3 F25) – ends dim lights, weak charging, or electrical strain on your premium diesel!
- 220A–230A massive high-output
- 6-groove freewheel pulley – silent & durable
- Direct OEM replacement
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