Product Name: BMW / MINI High-Output Alternator (Generator) 180A OE / Cross-Reference Numbers: 1042106721 / 104210-6721 / 104210-6720 / 104210-6722 / 12317640131 / 12317640132 / 12317640875 / 7640131 / 7640132 / 7640875 / LRA03979 / ALN1128AN / ALN1128GB / DAN1464 / 20854 / etc. (and related Denso/BMW/MINI equivalents) Brand Compatibility: Denso OEM-quality (new or premium remanufactured) – matches BMW/MINI genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 180A (high-output for enhanced electrical demands; some configs listed as 150A–180A)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP), diameter ≈49–50mm
- Rotation: Clockwise (CW)
- Regulator: Integrated with LIN/COM interface for BMW/MINI electronics
- Mounting: 4 mounting holes / direct bolt-on
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- BMW X1 (F48) sDrive18i / xDrive20i / xDrive25i (B38/B46/B48 1.5L–2.0L turbo petrol) 2015–2020
- MINI Hatchback / Clubman / Countryman / Convertible (F55/F54/F56/F57/F60) Cooper / Cooper S / JCW (B38/B46/B48 1.5L–2.0L turbo petrol) 2015–2020
- BMW 1 Series (F20/F21) 118i / 120i / 125i (B38/B48 1.5L–2.0L turbo petrol) 2015–2019
- BMW 2 Series (F22/F23) 218i / 220i (B38/B48 1.5L–2.0L turbo petrol) 2015–2019
- Other BMW/MINI models with B38/B46/B48 turbo engines (e.g., select 3 Series F30 or export variants)
Product Highlights:
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Reliable 180A Output — Delivers consistent, high-capacity charging to support premium features like iDrive navigation, Harman Kardon audio, adaptive headlights, power seats, start-stop, and turbo engine electronics without voltage drops or battery drain – ideal for efficient turbo models.
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Exact OEM Fit — Bolt-on replacement for BMW/MINI part 12317640131 / 12317640132 / 12317640875 / Denso 1042106721. 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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Strong Value — Genuine BMW/MINI alternators are expensive – this high-spec replacement provides 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/MINI diagnostic tool (e.g., ISTA) and verify charging voltage (typically 13.8–14.8V under load).
🔥 BMW X1 / MINI Cooper 180A Alternator – Turbo B38/B48 Charging Upgrade! OE Cross: 1042106721 / 12317640131 / 12317640132 / 12317640875 – Denso Premium Match! Perfect for 2015–2020 1.5L–2.0L turbo models (X1 F48, MINI F55/F56/F57/F60, select 1/2 Series) – ends dim lights, weak charging, or electrical strain on your premium turbo ride!
- 180A high-output charging
- 6-groove freewheel pulley – quiet & durable
- Direct OEM replacement
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