BMW F30 N20 Engine Thermostat Housing - Used Original Parts
RM 350
Condition: Used (Original)Description
Product Title
BMW F30 N20 Engine Thermostat Housing - Used Original Parts
Diagnosis and Common Symptoms
From the workshop floor, the N20 map-controlled thermostat is a frequent point of failure. The Digital Motor Electronics (DME) constantly monitors coolant temperature against a target map. When the thermostat's internal mechanism jams—either open or closed—or the plastic housing develops a hairline crack, the DME will trigger a check engine light.
Common fault codes stored in the DME include:
- 1D2404: Map thermostat, activation: Line disconnection.
- 1D2008: Map thermostat, mechanism: Mechanically stiff.
- 20A704: Coolant temperature sensor, signal: Plausibility failure.
Symptoms you will notice from the driver's seat:
- Engine temperature warning light (yellow or red) on the instrument cluster.
- Temperature gauge fluctuating, failing to reach the normal operating temperature (stuck open), or rapidly overheating (stuck closed).
- Radiator fan running at maximum speed immediately after a cold start. This is a DME failsafe procedure when it cannot trust the thermostat's function.
- Visible pink/blue coolant residue around the thermostat housing, indicating a leak.
Introduction
The N20 thermostat is critical for engine efficiency and longevity, but its plastic construction makes it a common failure item. We offer a cost-effective and reliable solution: a Genuine BMW Thermostat Housing, carefully removed from a donor vehicle. Each unit has been meticulously inspected and bench-tested by our technicians to ensure it performs precisely to factory specifications, restoring your vehicle's cooling system integrity without the cost of a new part.
Product Details
-
Brand: BMW
-
Model Compatibility: Primarily BMW F30 320i, 328i. Also compatible with other F-series models equipped with the N20 engine, such as the F32 428i, F10 528i, X1 (E84), and X3 (F25).
-
Part Name: Map-Controlled Thermostat Housing Assembly
-
Condition: Genuine Used (Tested Working)
-
Notes: Unit has been pressure-tested to confirm zero leaks in the housing. The electronic actuator and integrated temperature sensor have been verified for correct resistance and operation. It is mandatory to use new gaskets and BMW-approved coolant during installation.
Frequently Asked Questions
Q: What symptoms indicate failure? A: Key indicators include engine overheating or running too cool, coolant temperature warnings on the dashboard, the cooling fan running constantly at high speed, and fault codes like 1D2404 or 1D2008 stored in the engine control unit.
Q: Does this require coding? A: No, coding or programming is not required for this component. It is a direct plug-and-play replacement. However, it is essential to clear all related fault codes from the DME using a diagnostic tool after installation is complete.
Q: Is this original? A: Yes, this is a Genuine BMW part salvaged from a vehicle. It is not an aftermarket or imitation product, ensuring perfect fitment and communication with your car's electronics.
Why Choose Us?
- Verified functionality
- Actual photos/videos provided
- 30-day exchange warranty
- Pressure tested for housing integrity and electronically checked for correct map-controlled activation.
Shipping
Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)
Warranty and Return Policy
- 30-day exchange warranty from the date of receipt.
- Proof of professional installation by a qualified workshop is required for warranty claims.
- No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
- Exchange only for confirmed internal electronic defects.
How to Order
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- Item is shipped immediately with tracking details provided.
Contact Us
Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.
Price Notice
Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.
Compatible Models
Original Parts
Quality European Originals
Fast Delivery
Nationwide Shipping
