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Parts catalog

BMW 5-Series E34 (1989-1996) Radiators - Expansion Tanks and Parts
Coolant Expansion Tanks and Parts
If your cooling system has a problem the hot coolant will need a place to go and chill out! The coolant expansion tank provides a buffer for the coolant to 'overflow' too when the cooling system is running. Replace yours with a new one if it is cracked or if there is corrosion inside.

Product Gallery Slideshow

  • 17-21-1-712-965-BOE
  • 17-21-1-712-965-BOE
17-21-1-712-965

O-Ring - Expansion Tank (77.0 mm, Lower)

Part #: 17-21-1-712-965-BOE

$ 4.86

$ 3.81

- 525i (1989-95)

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  • 17-11-1-712-788-M1253
  • 17-11-1-712-788-M1253
  • 17-11-1-712-788-M1253
17-11-1-712-788

Bleeder Screw with O-Ring for Cooling System

Part #: 17-11-1-712-788-M1253

(3)

$ 5.25

- 525i (1989-95)

This brand is brass material.

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  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
  • 17-11-1-712-788-M926
17-11-1-712-788

Bleeder Screw with O-Ring for Cooling System

Part #: 17-11-1-712-788-M926

(2)

$ 3.94

$ 3.75

- 525i (1989-95)

This brand is black plastic material.

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  • 17-11-1-712-788-M230
  • 17-11-1-712-788-M230
  • 17-11-1-712-788-M230
17-11-1-712-788

Bleeder Screw with O-Ring for Cooling System

Part #: 17-11-1-712-788-M230

(15)

$ 6.00

- 525i (1989-95)

This brand is brass material.

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  • 17-11-1-712-788-M203
  • 17-11-1-712-788-M203
  • 17-11-1-712-788-M203
17-11-1-712-788

Bleeder Screw with O-Ring for Cooling System

Part #: 17-11-1-712-788-M203

$ 2.75

- 525i (1989-95)

This brand is black plastic material.

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Product Gallery Slideshow

  • 17-11-1-712-788-MY-INT
  • 17-11-1-712-788-MY-INT
  • 17-11-1-712-788-MY-INT
17-11-1-712-788-MY

Bleeder Screw with O-Ring for Cooling System

Part #: 17-11-1-712-788-MY-INT

$ 2.00

- 525i (1989-95)

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  • 17-11-1-712-835-MY-INT
  • 17-11-1-712-835-MY-INT
  • 17-11-1-712-835-MY-INT
  • 17-11-1-712-835-MY-INT
  • 17-11-1-712-835-MY-INT
17-11-1-712-835-MY

Coolant Expansion Tank

Part #: 17-11-1-712-835-MY-INT

$ 23.50

- 525i (1989-95)

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  • 17-11-1-712-835-BOE
  • 17-11-1-712-835-BOE
  • 17-11-1-712-835-BOE
  • 17-11-1-712-835-BOE
17-11-1-712-835

Coolant Expansion Tank

Part #: 17-11-1-712-835-BOE

$ 107.08

$ 87.21

- 525i (1989-95)

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  • 17-11-1-712-835-M6
  • 17-11-1-712-835-M6
  • 17-11-1-712-835-M6
  • 17-11-1-712-835-M6
  • 17-11-1-712-835-M6
17-11-1-712-835

Coolant Expansion Tank

Part #: 17-11-1-712-835-M6

(3)

$ 20.75

- 525i (1989-95)

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  • UR-17-11-1-712-835
UR-17-11-1-712-835

Expansion Tank

Part #: UR-17-11-1-712-835

$ 14.41

- 525i (1989-95)

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  • 17-11-1-719-110-M6
  • 17-11-1-719-110-M6
  • 17-11-1-719-110-M6
  • 17-11-1-719-110-M6
  • 17-11-1-719-110-M6
17-11-1-719-110

Coolant Expansion Tank

Part #: 17-11-1-719-110-M6

(2)

$ 46.75

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)

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  • 17-11-1-719-110-BOE
  • 17-11-1-719-110-BOE
  • 17-11-1-719-110-BOE
  • 17-11-1-719-110-BOE
  • 17-11-1-719-110-BOE
17-11-1-719-110

Coolant Expansion Tank

Part #: 17-11-1-719-110-BOE

$ 147.67

$ 125.43

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)

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Product Gallery Slideshow

  • 17-11-1-712-966-BOE
  • 17-11-1-712-966-BOE
  • 17-11-1-712-966-BOE
17-11-1-712-966

O-Ring - Expansion Tank (14.5 mm, Upper)

Part #: 17-11-1-712-966-BOE

$ 3.93

$ 3.02

- 525i (1989-95)

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  • ECS-003530ECS01A
  • ECS-003530ECS01A
  • ECS-003530ECS01A
ECS-003530ECS01A

ECS Tuning Heavy Duty Aluminum Coolant Bleeder Screw

Part #: ECS-003530ECS01A

$ 28.99

- 525i (1989-95)

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Product Gallery Slideshow

  • 61-31-1-378-320-M36
  • 61-31-1-378-320-M36
  • 61-31-1-378-320-M36
  • 61-31-1-378-320-M36
61-31-1-378-320

Coolant Level Sensor

Part #: 61-31-1-378-320-M36

(9)

$ 18.00

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)
- M5 Sedan (1991-93)

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  • 61-31-1-378-320-E-INT
  • 61-31-1-378-320-E-INT
  • 61-31-1-378-320-E-INT
  • 61-31-1-378-320-E-INT
61-31-1-378-320-E

Coolant Level Sensor

Part #: 61-31-1-378-320-E-INT

$ 12.75

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)
- M5 Sedan (1991-93)

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  • 61-31-1-378-320-BOE
  • 61-31-1-378-320-BOE
61-31-1-378-320

Coolant Level Sensor

Part #: 61-31-1-378-320-BOE

$ 69.20

$ 56.83

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)
- M5 Sedan (1991-93)

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  • 61-31-1-384-739-M36
  • 61-31-1-384-739-M36
  • 61-31-1-384-739-M36
61-31-1-384-739

Coolant Level Sensor for Expansion Tank (3 mm style pin connector)

Part #: 61-31-1-384-739-M36

(1)

$ 15.50

- 525i (1989-95)

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  • 61-31-1-384-739-BOE
  • 61-31-1-384-739-BOE
61-31-1-384-739

Coolant Level Sensor for Expansion Tank (3 mm style pin connector)

Part #: 61-31-1-384-739-BOE

(1)

$ 76.23

$ 62.71

- 525i (1989-95)

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  • 61-31-1-384-739-A-INT
  • 61-31-1-384-739-A-INT
  • 61-31-1-384-739-A-INT
  • 61-31-1-384-739-A-INT
61-31-1-384-739-A

Coolant Level Sensor for Expansion Tank (3 mm style pin connector)

Part #: 61-31-1-384-739-A-INT

$ 14.50

- 525i (1989-95)

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Product Gallery Slideshow

  • 61-31-1-384-739-E-INT
  • 61-31-1-384-739-E-INT
  • 61-31-1-384-739-E-INT
  • 61-31-1-384-739-E-INT
61-31-1-384-739-E

Coolant Level Sensor for Expansion Tank (3 mm style pin connector)

Part #: 61-31-1-384-739-E-INT

(1)

$ 12.75

- 525i (1989-95)

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  • 61-31-1-361-249-M213
  • 61-31-1-361-249-M213
61-31-1-361-249

O-Ring - Coolant Level Sensor (19.3 X 2.4 mm)

Part #: 61-31-1-361-249-M213

(6)

$ 1.00

- 525i (1989-95)

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  • 61-31-1-361-249-INT
  • 61-31-1-361-249-INT
  • 61-31-1-361-249-INT
61-31-1-361-249

O-Ring - Coolant Level Sensor (19.3 X 2.4 mm)

Part #: 61-31-1-361-249-INT

$ 1.00

- 525i (1989-95)

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  • 61-31-1-361-249-BOE
  • 61-31-1-361-249-BOE
61-31-1-361-249

O-Ring - Coolant Level Sensor (19.3 X 2.4 mm)

Part #: 61-31-1-361-249-BOE

$ 7.16

$ 5.47

- 525i (1989-95)

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  • 07-11-9-916-971-BOE
  • 07-11-9-916-971-BOE
07-11-9-916-971

Hex Head Screw for Coolant Expansion Tank

Part #: 07-11-9-916-971-BOE

$ 5.67

$ 3.71

- M5 Sedan (1991-93)

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  • 17-11-1-712-004-BOE
  • 17-11-1-712-004-BOE
17-11-1-712-004

Expansion Tank Coolant Hose Support Bracket (4 per car, sold individually)

Part #: 17-11-1-712-004-BOE

$ 4.29

$ 3.71

- 530i and 540i Sedan (1994-95)
- 535i Sedan (1989-93)
- M5 Sedan (1991-93)

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  • 16-11-1-177-874-BOE
  • 16-11-1-177-874-BOE
  • 16-11-1-177-874-BOE
16-11-1-177-874

Hose

Part #: 16-11-1-177-874-BOE

$ 29.58

$ 23.41

- 525i Sedan (1989-95)
- 530i and 540i Sedan (1994-95)
- M5 Sedan (1991-93)

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