BMW i3 Range Extender 125 kW Coolant Temperature Sensor
This coolant temperature sensor measures the temperature of the engine coolant on the BMW i3 and sends the reading to the control unit. It has a 2-pin connector with an oval plug housing.
A faulty sensor can store a temperature fault, make the cooling fan run at the wrong time or give incorrect temperature readings to the control unit.
This is Febi part number 1003905, made by the bilstein group.
Febi is a brand of the bilstein group, a German parts maker that supplies replacement parts for cars and vans across the world. Each part is made to match the original in fit and function, so it fits without modification. Getting the right part first time saves time in the workshop, so compare the numbers on your old part with the ones listed here before you order. Keep the old part until the new one is fitted and working, so you can compare them side by side if you need to. If you are replacing several parts at once, use the links below to browse our other BMW i3 parts. Parts like this help keep an older i3 safe, quiet and comfortable to drive.
The table below shows the BMW i3 versions listed in the bilstein group parts finder, with each note word for word. Listed in the parts finder for the BMW i3 (I01) 2013 – 2022: i3 Range Extender 125 kW only. Compare the BMW part number on your existing part with the numbers on this page before ordering.
Key Benefits
- 2-pin connector, oval plug
- Accurate coolant temperature readings
- Direct replacement for the original
- Compact design
- Febi quality from the bilstein group
Specifications
- No. of Connections: 2
- Plug Housing: Oval
- Part Number: Febi 1003905
Replaces BMW part number 13 62 7 580 635.
Installation
Professional installation recommended. Let the system cool fully before removing the sensor, use a new seal, and top up and bleed the coolant afterwards.
Explore More Parts
| Attribute | Value |
|---|---|
| No. of Connections | 2 |
| Plug Housing | Oval |
| Part Number | Febi 1003905 |
Fits The Following BMW Models
| Model | Submodel |
|---|---|
| i3 (I01) 2013 – 2022 | i3 Range Extender – 125 kW / 170 hp |
BMW i3 Range Extender 125 kW Coolant Temperature Sensor FAQs
Which part numbers does it replace?
Replaces BMW part number 13 62 7 580 635. The Febi part number is 1003905.
Do I need to drain the coolant?
Some coolant will be lost, so be ready to top up and bleed the system after fitting.
How do I know it is faulty?
A stored temperature fault or incorrect temperature readings are the usual signs.
Will it fit my BMW i3?
Listed in the parts finder for the BMW i3 (I01) 2013 – 2022: i3 Range Extender 125 kW only. Check the notes in the fitment table and compare the BMW part number on your existing part.
Is this a genuine BMW part?
No. It is a quality replacement part made by the bilstein group to match the original in fit and function.
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