BMW F30 B48 Hybrid Electric Water Pump 7644810- Used Original Parts
RM 650
Condition: Used (Original)Diagnosis and Common Symptoms
From the workshop floor, a failing B48 hybrid water pump presents a clear set of diagnostic flags. The vehicle's DME (Digital Motor Electronics) will typically store specific fault codes, most commonly 2E81 (Electric Coolant Pump, Speed Deviation) or 801222 (Coolant Pump: Switched Off Due to Blockage). On the instrument cluster, the driver will receive a stark "Engine Overheating - Stop Carefully" warning, often accompanied by a "Drivetrain Malfunction" message.
Observable symptoms include the engine cooling fan running at maximum speed immediately from a cold start as a failsafe measure, erratic temperature gauge readings, or in advanced stages of failure, a noticeable coolant leak from the pump's weep hole or plastic housing. This component is critical for the thermal management of both the combustion engine and the hybrid system's electronics.
Introduction
This is a Genuine BMW B48 Hybrid Electric Water Pump, meticulously salvaged from a fully operational donor vehicle. Each unit undergoes a rigorous bench-testing procedure in our facility to verify its electrical integrity and pumping performance before being certified for sale. We ensure that every pump we supply meets the precise operational standards required by BMW's complex thermal management system, offering a reliable and cost-effective alternative to a new part.
Product Details
- Brand: BMW
- Model Compatibility: BMW 3 Series (F30 LCI) with B48 Hybrid Powertrain
- Part Name: Hybrid Electric Water Pump
- Part Number: 7644810
- Condition: Genuine Used (Tested Working)
- Notes: Installation requires the system to be bled electronically using diagnostic software (e.g., ISTA) to eliminate air pockets. Failure to perform this procedure can lead to premature pump failure and overheating. Always use BMW G48 specification coolant.
Frequently Asked Questions
What symptoms indicate failure?
The primary indicators are dashboard warnings for engine overheating, the radiator fan running at full speed constantly, and fluctuating engine temperatures. You may also find fault codes related to coolant pump speed deviation stored in the engine control unit.
Does this require coding?
No, this part is plug-and-play and does not require programming or coding to the vehicle. However, the mandatory post-installation step is to run the electronic coolant system bleeding procedure with a suitable diagnostic tool.
Is this original?
Yes, this is a Genuine BMW component, removed from another BMW vehicle. It is not an aftermarket or replicated part.
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.
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