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Water valve/Water hose for BMW 5 Series E39 523i (2000)

This Water valve/Water hose technical drawing provides a detailed breakdown of the assembly for the 5 Series E39 523i. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 2000.

Water valve/Water hose
No. Description Supp. Qty  From   Up To  Part Number Price Notes
  i Additional water pump for latent heat
accumulator
see valve unit latent heat accumulator
01 Water valve with additional water pump 1 64118374994 $365.51 Shop at ECS Tuning
For vehicles with
Latent heat accumulator

S538A=Yes
01 Water valve 1 64128374995 $167.82 Shop at ECS Tuning
For vehicles with
Latent heat accumulator

S538A=No
02 Additional water pump f water valve 1 64118375237 $364.53 Shop at ECS Tuning
03 Grommet 2 64126910076 $1.50 Shop at ECS Tuning
04 Rubber Mounting 1 64118391475 $1.03 Shop at ECS Tuning
05 Hose f engine inlet and addit.water pump 1 64218391003 $17.00 Shop at ECS Tuning
06 Hose clamp L16-30 1 64218367179 $1.07 Shop at ECS Tuning
07 Hose clamp L28-33 2 07129952113 $0.96 Shop at ECS Tuning
08 Hose f water valve and right radiator 1 64218391017 $16.16 Shop at ECS Tuning
09 Hose f water valve and left radiator 1 64218367929 $9.77 Shop at ECS Tuning
10 Hose clamp L18-24 2 07129952109 $1.07 Shop at ECS Tuning
11 Hose clamp L16-30 2 64218367179 $1.07 Shop at ECS Tuning
12 Hose f radiator and engine return 1 64218367930 $7.43 Shop at ECS Tuning
13 Hose clamp L16-30 1 64218367179 $1.07 Shop at ECS Tuning
14 Hose clamp, inlet 1 64118363051 $1.42 Shop at ECS Tuning

See Also

Frequently Asked Questions

What assembly is shown in the BMW 5 Series E39 523i Water valve/Water hose?
This technical diagram illustrates the Water valve/Water hose within the Heater and Air Conditioning group for the 5 Series E39 523i produced during 2000. It provides a detailed exploded view of the components, identifying key parts such as the Water valve with additional water pump (Part #64118374994).
Which models use the hardware listed in this Water valve/Water hose?
The hardware and components featured in the Water valve/Water hose are specific to the 5 Series E39 523i produced during 2000. These technical specifications ensure that parts like the Water valve with additional water pump (64118374994) are correctly matched to the vehicle's structural and mechanical requirements.
How do I find specific parts within the Water valve/Water hose assembly?
Each item in the Water valve/Water hose corresponds to the numbered list below the illustration. For the 5 Series E39 523i, you can identify the Water valve with additional water pump by locating its position on the schematic, which then links to the official BMW part number 64118374994 for the Heater and Air Conditioning section.