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to production year 1979
[Model 6611] Series E23 » Engine » Expansion tank » EXPANSION TANK
to production year 1979
[Model 6611] Series E23 » Engine » Expansion tank » EXPANSION TANK

EXPANSION TANK
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Expansion tank from the Engine Réservoir tamponadiator category
Spare part for your BMW 7 Series (E23)
The chosen spare parts is No. 1 in the picture 317.
Part number: 17 11 1 178 251
until production year: 1984/05
This product is not intended for installation by an end user. The installation is to be carried out exclusively by persons with appropriate specialist training or a motor vehicle specialist.
Part number has been replaced for: 17111177644
- BMW 745i Saloon E23 :
- from production year 1980 - model no. 6941 - Engine no. M30
- BMW 735i Saloon E23 :
- from production year 1982 - model no. 6881 - Engine no. M30
- BMW 733i Saloon E23 :
- from production year 1979 - model no. 6745 - Engine no. M30
- BMW 732i Saloon E23 :
- from production year 1982 - model no. 6681 - Engine no. M30
- BMW 730 Saloon E23 :
- from production year 1977 - model no. 6621 - Engine no. M30
- This vehicle-bound part fits for this vehicle variants:
Before buying a spare part, make sure that it is also compatible with your vehicle! Take a look at the vehicle list after the product description, check the compatibility in the electronic spare parts catalog (ETK) for BMW on Partslink.
Not all parts shown are included.
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Part numbers - replacement for this spare part from the electronic parts catalog (EPC)
- 17111118127
- 17111120557
- 17111177644
- 17111178251
Illustration: 00000317 Expansion tank

Parts descriptions which end with a | from | until | inspection of the part number. | all models |
01 - Expansion tank | 17111177644 | E23 | ||
01 - Expansion tank | 17111177645 | E23 | ||
01 - Expansion tank | 17 11 1 178 251 | E23 | ||
Suitable for vehicles with | ||||
01 - Expansion tank | 17111707545 | E23 | ||
02 - Body nut ST6,3-10 | 07129901672 | CMSP,E12 ,E21 , | ||
Suitable for vehicles with | ||||
02 - Body nut ST6.3-10 | 07129925719 | E12 ,E21 ,E23 , | ||
Suitable for vehicles with | ||||
03 - Wave washer B6-ZNS3 | 07119904496 | 2471,2472,2473, | ||
Suitable for vehicles without | ||||
03 - Wave washer B6 6,4x12 | 07119932099 | 114 ,2471,2472, | ||
Suitable for vehicles without | ||||
04 - Fillister head self-tapping screw ST6,3X19-Z1 | 07119906794 | E21 ,E23 ,E24 , | ||
06 - Bracket breather pipe | 16131177583 | E12 ,E21 ,E23 , | ||
Suitable for vehicles with | ||||
08 - Radiator cap D=60 MM 1,0 BAR | 17111100848 | 114 ,E12 ,E21 , | ||
08 - Radiator cap 1,0BAR | 17111120062 | E23 ,E28 | ||
08 - Radiator cap 1,5BAR | 17111709236 | E23 | ||
Suitable for vehicles with | ||||
08 - Radiator cap 1,4BAR | 17112227683 | CMSP,E23 ,E24 , | ||
09 - Radiator cap 1,2BAR | 17114379047 | E23 ,E24 ,E28 , | ||
Suitable for vehicles with | ||||
10 - Levelling switch radiator L=109MM | 61311375715 | E23 ,E24 ,E28 , | ||
Suitable for vehicles with | ||||
11 - Washer A6,4-200HV-ZNS3 | 07119903791 | 114 ,2471,2472, | ||
Suitable for vehicles without | ||||
12 - Body nut ST6,3-1-ZNS3 | 07129904231 | 114 ,CMSP,E12 , | ||
Suitable for vehicles with | ||||
13 - Hose clamp 11,8-13,8mm | 16121116458 | 2474,E23 ,E24 , | ||
14 - Fuel hose 8x13MM | 16121180409 | 114 ,259E,259R, | ||
Suitable for vehicles without | ||||
14 - Vent hose 8X13MM | 17121712736 | CMSP,E12 ,E21 , | ||
Suitable for vehicles with | ||||
14 - Fuel hose 8X13MM | 13311722262 | E12 ,E21 ,E23 , | ||
Suitable for vehicles without | ||||
16 - Holder D=10MM | 61131362825 | 2474,E12 ,E21 , | ||
Suitable for vehicles with | ||||
17 - Hose clamp L10-12 | 16111177646 | 114 ,E12 ,E21 , | ||
Suitable for vehicles with | ||||
17 - Hose clamp L=9-12 | 07129952102 | 114 ,2471,2472, | ||
Suitable for vehicles without |
This spare part is original from the manufacturer BMW and specially designed for use in the following models:

7er E23 from production year May 1979
Estimated delivery: Tuesday, March 25, 2025
This product is compatible with (for example):
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