BMW F30 F10 F25 N20 Engine Alternator Generator 12317605478 - Used Original Parts
RM 550
Condition: Used (Original)At a Glance
- BMW F30 F10 F25 N20 Engine Alternator Generator 12317605478 - Used Original Parts
- Part number: 12317605478 / 12317605061 / 104210-6392
- Fits: BMW F30 3 Series, BMW F10 5 Series, BMW F25 X3, BMW E84 X1 · confirm by chassis number before ordering
- Used Original · tested working
- RM 550 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
From a technical standpoint, the alternator in the N20 engine platform is a critical component linked to the vehicle's BSD (Bit Serial Data) interface. When this unit begins to fail, you will typically encounter fault codes such as 2E97 (Generator Communication) or CD93 (Bus Signal). Physical symptoms often include a "Battery Not Charging" warning on the iDrive screen, flickering interior lighting at idle, or a high-pitched whining noise from the front of the engine block. In some cases, a failing voltage regulator within the unit can cause erratic shifting or start-stop system malfunctions due to unstable voltage supply.
Introduction
As a Senior BMW Technician, I have seen many owners compromise their electrical systems with low-quality aftermarket units that fail to communicate with the DME. This is a Genuine BMW component pulled from a low-mileage donor vehicle and rigorously bench-tested to ensure stable amperage and voltage output. By choosing a Genuine Used part, you maintain the factory electrical integrity of your F30, F10, or F25 without the exorbitant cost of a brand-new unit from the dealership.
Product Details
- Brand: BMW
- Model Compatibility: F30 (3 Series), F10 (5 Series), F25 (X3) with N20 Engine
- Part Name: Alternator / Generator
- Part Number: 12317605478
- Amperage: 170A
- Condition: Genuine Used (Tested Working)
- Notes: This unit includes the original pulley and voltage regulator. It is a direct fit for 4-cylinder turbocharged N20 models.
Frequently Asked Questions
What symptoms indicate failure?
Common signs include the red battery icon on the dashboard, a "Power Supply" warning, heavy steering (if EPS is affected), or the engine failing to crank after being parked for a short time despite having a healthy battery.
Does this require coding?
The alternator hardware itself does not require software coding. However, if your battery was significantly discharged or replaced during the process, it is highly recommended to perform a Battery Registration via a scan tool to ensure the charging profile is updated.
Is this original?
Yes, this is a Genuine BMW factory part. It features the internal components and communication protocols specifically designed for the BMW BSD system, which aftermarket alternatives often lack.
Part price does not include installation. Our workshop can install for you, labour is charged separately and confirmed with you before any work starts.
We cannot diagnose your car over WhatsApp or photos. Not sure this part will solve your problem? Come for a workshop check, diagnosis fee RM180. If you proceed with the repair using our parts, the RM180 is offset into the labour charge. If you decide not to repair, only the RM180 applies.
All parts are tested and guaranteed to work. Whether a part solves your car's problem can only be confirmed by diagnosis.
Shipping: from Kuala Lumpur, West Malaysia ~RM50, East Malaysia ~RM80 (estimate, confirm via WhatsApp). Delivery 1-2 working days in secure anti-static packaging.
Warranty: 30-day exchange for control units, engines, gearboxes and other major parts; 14 days for small parts. Claims require proof of installation by a qualified workshop. No warranty for items opened, modified, or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
Original Parts
Quality European Originals
Fast Delivery
Nationwide Shipping