Product Name: BMW High-Output Alternator (Generator) 180A OE / Cross-Reference Numbers: TG17C027 / TG17C027B / 12317540993 / 12317540994 / 12317537959 / 12317537962 / 439537 / 440471 / 12894 / 2543294 / 2542785 / AL9423X / DRA0193 / LRA03023 / 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: 180A (high-output for enhanced electrical demands)
- Pulley: 6-groove freewheel belt pulley (overrunning alternator pulley / OAP), diameter ≈ approx. 55-60mm range
- Rotation: Clockwise (CW)
- Regulator: IR/IF (Internal Regulator / Internal Fan) with compatibility for BMW electronics
- Mounting: 4 mounting holes / direct bolt-on
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- BMW X5 (E53) 4.4i / 4.8is (N62 4.4L/4.8L V8) 2004–2006
- Other BMW models with N62 V8 engines in high-output configs (e.g., select 5 Series / 6 Series / 7 Series variants or export models)
Product Highlights:
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High 180A Output — Provides robust, consistent charging to support luxury SUV features like adaptive suspension, premium audio, navigation, power seats, and V8 electronics without voltage drops or battery drain – ideal for top-line models.
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Exact OEM Fit — Bolt-on replacement for BMW part 12317540993 / Valeo TG17C027 / 439537. No modifications needed; fully compatible with vehicle ECU and diagnostics.
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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 V8 applications.
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Premium Quality — Valeo-tested for heat 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 X5 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 X5 4.4i / 4.8is 180A Alternator – V8 Luxury Charging Upgrade! OE Cross: TG17C027 / 12317540993 / 439537 – Valeo Premium Match! Perfect for 2004–2006 X5 E53 4.4L/4.8L V8 – ends dim lights, weak charging, or electrical strain on your premium SUV!
- 180A high-output charging
- 6-groove freewheel pulley – quiet & durable
- Direct OEM replacement
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