BMW G30 530e Hybrid Auxiliary Electric Heater Valve/Heat Exchanger - Used Original Parts
RM 1,400
Condition: Used (Original)At a Glance
- BMW G30 530e Hybrid Auxiliary Electric Heater Valve/Heat Exchanger - Used Original Parts
- Part number: 64129490555
- Fits: BMW G30 530e, BMW G30 5 Series · confirm by chassis number before ordering
- Used Original · tested working
- RM 1,400 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
On the G30 530e Hybrid, the auxiliary electric heater and its associated valve/heat exchanger assembly work alongside the combustion engine to provide cabin heat during EV-only driving and to protect the high-voltage battery thermal loop. When this component degrades or fails, drivers typically notice a marked drop in heater output on cold starts, especially when the car is running purely on electric power. Common fault codes logged include those related to "Auxiliary Heater Malfunction," "Coolant Circulation Pump Performance," and "Electric Heater Circuit Open/Short." The iDrive may display a "Increased Fuel Consumption" or "Climate Control Restricted" message as the system compensates by forcing the combustion engine to run more often to generate heat. Some vehicles also show erratic blower behavior, fluctuating cabin temperature, or a persistent coolant smell if the heat exchanger housing has cracked internally. Left unaddressed, this can trigger secondary faults in the battery thermal management system due to shared coolant circuits.
Introduction
This listing is for a Genuine Used auxiliary electric heater valve/heat exchanger, sourced directly from a G30 530e Hybrid undergoing dismantling. Every unit passes electrical resistance and physical inspection checks before being listed, confirming it is Tested Working prior to sale. Genuine parts from the actual hybrid climate/thermal system ensure correct fitment and reliable long-term performance, unlike generic aftermarket alternatives. This is a cost-effective solution for owners in Malaysia looking to restore full heater function without paying dealer prices for a new assembly.
Product Details
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Brand: BMW
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Model Compatibility: G30 530e Hybrid (2017-2023)
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Part Name: Auxiliary Electric Heater Valve/Heat Exchanger
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Condition: Genuine Used (Tested Working)
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Notes: Removed from a running G30 530e Hybrid donor vehicle; electrically tested for continuity and resistance values within BMW specification prior to listing; visually inspected for cracks, coolant leaks, or corrosion at connector terminals.
Frequently Asked Questions
What symptoms indicate the auxiliary heater valve/heat exchanger is failing on my G30 530e?
Common signs include weak or cold cabin airflow during EV mode, the engine starting unexpectedly to provide heat, and fault codes referencing auxiliary heater or coolant circulation malfunction stored in the climate control module.
Does this component need coding after installation on the G30?
In most cases the auxiliary heater valve/heat exchanger is a passive or sensor-fed component and does not require coding. However, if the entire heater control unit was replaced alongside it, a coding check via ISTA is recommended to confirm the module recognizes the hardware.
How do I confirm this part matches my specific 530e chassis?
Match the part number printed on the heat exchanger housing or connector against your vehicle's parts catalog listing for G30 530e Hybrid, as hybrid-specific auxiliary heater components differ from non-hybrid 5 Series variants using the same body shell.
Is a used heat exchanger reliable compared to buying new from BMW?
These units typically last well beyond 100,000 km under normal use, and since failures are more often due to electrical connector issues or coolant crust buildup rather than internal wear, a tested used unit offers dependable performance at a fraction of the new BMW price.
Are there any installation gotchas I should know about for the 530e coolant loop?
Yes, the auxiliary heater circuit shares coolant with the hybrid battery thermal system on some configurations, so proper bleeding of the loop after installation is essential to avoid trapped air affecting both cabin heat and battery temperature regulation.
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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