How to replace the A/C Accumulator,A/C Compressor,A/C Condenser,evaporator,HVAC Pressure Switches and expansion valve in a BMW Z4?

To replace the A/C Evaporator Core in a 3 series, discharge the AC refrigerant by a BMW expert. In the engine compartment, detach the air filter, heater core, and instrument panel. Then, undo the AC lines, temperature sensor, and wiring connectors. For Z4 models, remove the heater assembly, evaporator cover, and expansion valve. Then, replace the expansion valve and A/C Accumulator. For the compressor, remove the engine splash shield, drive belt, and compressor. For installation, mount a new compressor with the proper oil and seals.

Genuine BMW Z4 HVAC Pressure Switches

A/C Pressure Switch

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6 HVAC Pressure Switches found

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BMW Z4 Valve
Part Number: 64536922944
$3.48 MSRP: $4.53
You Save: $1.05 (24%)

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Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
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Fits the following Vehicles:
- 2019-2020 BMW Z4 | M40i(G29), sDrive30i(G29)
- 2009-2016 BMW Z4 | sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Pressure Sensor
Part Number: 64539323658
$65.72 MSRP: $87.03
You Save: $21.31 (25%)

Add to Cart
Product Specifications
- Replaces: 64-53-0-141-211, 64-53-9-141-957, 64-53-6-909-257, 64-53-9-181-464
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
View More
Fits the following Vehicles:
- 2019-2020 BMW Z4 | M40i(G29), sDrive30i(G29)
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Pressure Sensor
Part Number: 64539141957
$65.72 MSRP: $87.03
You Save: $21.31 (25%)

Add to Cart
Product Specifications
- Replaced by: 64539323658
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
View More
Fits the following Vehicles:
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
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BMW Z4 Relief Valve
Part Number: 64526910463
$60.73 MSRP: $80.42
You Save: $19.69 (25%)

Add to Cart
Product Specifications
- Other Name: Compressor Valve, Pressure Relief Valve
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
View More
Fits the following Vehicles:
- 2009-2011 BMW Z4 | sDrive30i(E89)
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BMW Z4 Pressure Sensor
Part Number: 64539181464
$65.72 MSRP: $87.03
You Save: $21.31 (25%)

Add to Cart
Product Specifications
- Replaced by: 64539323658
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
View More
Fits the following Vehicles:
- 2003-2016 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85), sDrive28i(E89), sDrive30i(E89), sDrive35i(E89), sDrive35is(E89)
View related parts
BMW Z4 Relief Valve
Part Number: 64528375418
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
View More
Fits the following Vehicles:
- 2003-2008 BMW Z4 | 2.5i(E85), 3.0i(E85), Coupe 3.0si(E86), Roadster 3.0i(E85), Roadster 3.0si(E85)

BMW Z4 HVAC Pressure Switches Parts Questions & Answers

Pressure Sensor
64-53-9-323-658
Q: How to replace the A/C Accumulator,A/C Compressor,A/C Condenser,evaporator,HVAC Pressure Switches and expansion valve in a BMW Z4?
A: To replace the A/C Evaporator Core in a 3 series, discharge the AC refrigerant by a BMW expert. In the engine compartment, detach the air filter, Heater Core, and instrument panel. Then, undo the AC lines, temperature sensor, and wiring connectors. For Z4 models, remove the heater assembly, evaporator cover, and expansion valve. Then, replace the expansion valve and A/C Accumulator. For the compressor, remove the engine splash shield, drive belt, and compressor. For installation, mount a new compressor with the proper oil and seals.