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Coolant lines for BMW 4 Series G26 Gran Coupé 420i (2024)

This Coolant lines technical drawing provides a detailed breakdown of the assembly for the 4 Series G26 Gran Coupé 420i. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2024.

Coolant lines
No. Description Supp. Qty  From   Up To  Part Number Price Notes
For vehicles with
Refrigerant R1234yf

S8R9A=No
01 Refrigerant line, dual line R134A 1 64539395472 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=Yes
01 Refrigerant line, dual line R1234YF 1 64539395471 Shop at ECS Tuning
02 Pressure hose assy compressor-condenser 1 64539395479 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=No
03 Suction line, dual-pipe compressor R134A 1 64536841354 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=Yes
03 Suction line, dual-pipe compressor R1234YF 1 64536841355 Shop at ECS Tuning
04 Gasket ring D=17MM 3 64539284019 Shop at ECS Tuning
05 Gasket ring D=8MM 2 64539284020 Shop at ECS Tuning
06 Gasket ring D=11MM 2 64539284018 Shop at ECS Tuning
07 Valve R134A/R1234YF 2 64536922944 $3.52 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=No
08 Sealing cap for pressure line R134A 1 64538387438 $0.82 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=Yes
08 Sealing cap for pressure line R1234YF 1 07149287979 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=No
09 Sealing cap for suction line R134A 1 64538387437 $0.81 Shop at ECS Tuning
For vehicles with
Refrigerant R1234yf

S8R9A=Yes
09 Sealing cap for suction line R1234YF 1 07149287978 Shop at ECS Tuning
10 Combination bracket 1 64536806376 Shop at ECS Tuning
11 Fillister head screw ST5X17-ZNS3 2 07147127714 $0.25 Shop at ECS Tuning
12 Expanding nut 2 07147348512 Shop at ECS Tuning
13 Hex nut M6-10-ZNNIV SI 1 07129907467 Shop at ECS Tuning
14 ISA screw M8X30-U1-8.8 3 07129904835 $2.29 Shop at ECS Tuning
15 ISA screw M6X30-10.9 2 07129905795 $1.18 Shop at ECS Tuning
16 Pressure sensor 1 64539323658 Shop at ECS Tuning

See Also

Frequently Asked Questions

What assembly is shown in the BMW 4 Series G26 Gran Coupé 420i Coolant lines?
This technical diagram illustrates the Coolant lines within the Heater and Air Conditioning group for the 4 Series G26 Gran Coupé 420i produced during 2024. It provides a detailed exploded view of the components, identifying key parts such as the Refrigerant line, dual line (Part #64539395472).
Which models use the hardware listed in this Coolant lines?
The hardware and components featured in the Coolant lines are specific to the 4 Series G26 Gran Coupé 420i produced during 2024. These technical specifications ensure that parts like the Refrigerant line, dual line (64539395472) are correctly matched to the vehicle's structural and mechanical requirements.
How do I find specific parts within the Coolant lines assembly?
Each item in the Coolant lines corresponds to the numbered list below the illustration. For the 4 Series G26 Gran Coupé 420i, you can identify the Refrigerant line, dual line by locating its position on the schematic, which then links to the official BMW part number 64539395472 for the Heater and Air Conditioning section.