BMW i3 125 kW (Non-REx) Air Conditioning Pressure Switch – 3-Pin
This air conditioning pressure switch monitors the refrigerant pressure in the BMW i3 climate system. The car uses its signal to run the compressor and cooling fan safely, and to protect the system if the pressure goes too high or too low.
A faulty pressure switch can stop the air conditioning blowing cold, make the cooling fan run all the time or not at all, or store a refrigerant pressure fault. On an electric car the same circuit also helps manage battery and cabin cooling, so it is worth fixing promptly.
This is Febi part number 172236, 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.
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 125 kW only. Some versions are listed with VIN-prefix notes, shown word for word in the table. Compare the BMW part number on your existing part with the numbers on this page before ordering.
Key Benefits
- Restores correct air conditioning control
- 24 mm hex body
- Matches the original connector
- Direct replacement for the original switch
- Febi quality from the bilstein group
Specifications
- No. of Connections: 3
- Spanner Size: 24 mm
- Part Number: Febi 172236
Replaces BMW part numbers 64 53 9 323 658, 64 53 0 141 211, 64 53 6 909 257, 64 53 8 370 623, 64 53 8 385 390, 64 53 9 141 957 and 64 53 9 181 464.
Installation
Professional installation recommended. The switch screws into the refrigerant line, so the system should be handled by an air conditioning specialist who can recover and recharge the refrigerant correctly.
Explore More Parts
| Attribute | Value |
|---|---|
| No. of Connections | 3 |
| Spanner Size | 24 mm |
| Part Number | Febi 172236 |
Fits The Following BMW Models
| Model | Submodel |
|---|---|
| i3 (I01) 2013 – 2022 Vehicle Identification Number (VIN): ***1Z2*********** Vehicle Identification Number (VIN): ***1Z4*********** Vehicle Identification Number (VIN): ***1Z6*********** Vehicle Identification Number (VIN): ***1Z8*********** | i3 – 125 kW / 170 hp |
BMW i3 125 kW (Non-REx) Air Conditioning Pressure Switch – 3-Pin FAQs
Which part numbers does it replace?
Replaces BMW part numbers 64 53 9 323 658, 64 53 0 141 211, 64 53 6 909 257, 64 53 8 370 623, 64 53 8 385 390, 64 53 9 141 957 and 64 53 9 181 464. The Febi part number is 172236.
Do I need to regas the air conditioning?
Usually the system must be recovered before the switch is removed and then recharged, so have it fitted by an air conditioning specialist.
How do I know which switch I have?
Check the number of pins on the connector and the BMW part number on your existing switch, then compare it with the numbers on this page.
Will it fit my BMW i3?
Listed in the parts finder for the BMW i3 (I01) 2013 – 2022: i3 125 kW only. Some versions are listed with VIN-prefix notes, shown word for word in the table. 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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