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BMW E12 expansion tank cap – find the right fit for your vehicle

Top-quality expansion tank cap BMW E12 available at low prices
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BMW 5 Saloon (E12) – find the right Expansion tank cap for your vehicle

Genuine BMW E12 coolant reservoir cap upgrade — enjoy exclusive savings and deals

Most in-demand Coolant reservoir cap for BMW 5 Saloon (E12)

Top-selling parts in the Coolant reservoir cap section for BMW 5 Saloon. Select a high-quality coolant reservoir cap your BMW E12 5 Saloon from our trusted range.

-58%
RIDEX 56V0014 genuine BMW E12 expansion tank cap cost
Reviews - 23
Parts Details
  • Colour: black
  • Material: Plastic
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Opening Pressure [bar]: 1,4
  • Thread Size: M52 x 3 mm
  • RIDEX: Expansion tank cap
  • Item number: 56V0014
  • Our price: 7,59 €
  • Condition: New
Details
RIDEX 56V0014 Expansion tank cap Opening Pressure: 1,4bar, with gasket/seal
Article number: 56V0014
compared to RRP 18,30 €

7,59 €
Price per item
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

TRICLO 318070 genuine BMW E12 expansion tank cap cost
Reviews - 12
Parts Details
  • TRICLO: Expansion tank cap
  • Item number: 318070
  • Our price: 5,29 €
  • Condition: New
Details
TRICLO 318070 Expansion tank cap
Article number: 318070
5,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

MOTORAD OT16 genuine BMW E12 expansion tank cap cost
Parts Details
  • Pressure [bar]: 1,1
  • Height: 29
  • for OE number: 4677493AA
  • Material: Metal
  • Weight [g]: 63,8
  • MOTORAD: Expansion tank cap
  • Item number: OT16
  • Our price: 8,99 €
  • Condition: New
Details
MOTORAD OT16 Expansion tank cap
Article number: OT16
8,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

MOTORAD T43 genuine BMW E12 expansion tank cap cost
Parts Details
  • Colour: black
  • Pressure [bar]: 1,4
  • for OE number: PCD000070
  • Weight [g]: 56,1
  • Packaging length [cm]: 7,5
  • Packaging width [cm]: 7,5
  • Packaging height [cm]: 8,3
  • MOTORAD: Expansion tank cap
  • Item number: T43
  • Our price: 7,29 €
  • Condition: New
Details
MOTORAD 9704311 Expansion tank cap
Article number: T43
7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BGA CC3053 1977 BMW E12 expansion tank cap price
Parts Details
  • Pressure [bar]: 1
  • Diameter: 59
  • Pressure [psi]: 15
  • BGA: Expansion tank cap
  • Item number: CC3053
  • Our price: 7,29 €
  • Condition: New
Details
BGA CC3053 Expansion tank cap
Article number: CC3053
7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

KAMOKA 7729010 1976 BMW E12 expansion tank cap price
Reviews - 2
Parts Details
  • for OE number: 3B0 121 321
  • KAMOKA: Expansion tank cap
  • Item number: 7729010
  • Our price: 6,99 €
  • Condition: New
Details
KAMOKA 3B0121321 Expansion tank cap
Article number: 7729010
6,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-26%
MAHLE CRB 22 000P 1975 BMW E12 expansion tank cap price
Reviews - 20
Parts Details
  • Diameter 1 [mm]: 66
  • Diameter 2 [mm]: 30
  • Opening Pressure [bar]: 2,0
  • Packaging height [cm]: 4,50
  • Packaging length [cm]: 6,0
  • Packaging width [cm]: 6,00
  • Manufacturer: MAHLE
  • Net Weight [g]: 59
  • MAHLE: Expansion tank cap
  • Item number: CRB 22 000P
  • Our price: 14,49 €
  • Condition: New
Details
MAHLE 376743451 Expansion tank cap Opening Pressure: 2,0bar, D1: 66mm
Article number: CRB 22 000P
compared to RRP 19,69 €

14,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

ABAKUS 004-027-002 1974 BMW E12 expansion tank cap price
Reviews - 7
Parts Details
  • Supplementary Article / Supplementary Info: with gasket / seal
  • Pressure [bar]: 1,4
  • Colour: black
  • Assy. / disassy. by qualified personnel required!
  • ABAKUS: Expansion tank cap
  • Item number: 004-027-002
  • Our price: 6,29 €
  • Condition: New
Details
ABAKUS 004-027-002 Expansion tank cap with gasket/seal
Article number: 004-027-002
6,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-61%
FEBI BILSTEIN 12205 BMW E12 coolant reservoir cap
Reviews - 16
Parts Details
  • Material: Plastic
  • Opening Pressure [bar]: 1,4
  • for OE number: 17 13 7 639 023
  • FEBI BILSTEIN: Expansion tank cap
  • Item number: 12205
  • Our price: 6,99 €
  • Condition: New
Details
FEBI BILSTEIN 12205 Expansion tank cap Opening Pressure: 1,4bar
Article number: 12205
compared to RRP 18,03 €

6,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

ABAKUS 004-027-001 BMW E12 expansion tank cap
Reviews - 16
Parts Details
  • Pressure [bar]: 2
  • Colour: black
  • Assy. / disassy. by qualified personnel required!
  • ABAKUS: Expansion tank cap
  • Item number: 004-027-001
  • Our price: 6,29 €
  • Condition: New
Details
ABAKUS 004-027-001 Expansion tank cap
Article number: 004-027-001
6,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-21%
FEBI BILSTEIN 01617 BMW E12 coolant reservoir cap
Reviews - 17
Parts Details
  • Material: Plastic
  • Opening Pressure [bar]: 2
  • for OE number: 17 11 7 639 022
  • Weight [kg]: 0,05
  • new version
  • FEBI BILSTEIN: Expansion tank cap
  • Item number: 01617
  • Our price: 13,49 €
  • Condition: New
Details
FEBI BILSTEIN 01617 Expansion tank cap Opening Pressure: 2bar
Article number: 01617
compared to RRP 17,12 €

13,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

TRICLO 311319 BMW E12 expansion tank cap
Reviews - 9
Parts Details
  • Pressure [bar]: 1,4
  • old version
  • TRICLO: Expansion tank cap
  • Item number: 311319
  • Our price: 7,29 €
  • Condition: New
Details
TRICLO 311319 Expansion tank cap
Article number: 311319
7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-34%
TOPRAN 500 343 1979 BMW E12 coolant reservoir cap prices
Reviews - 6
Parts Details
  • Opening Pressure [bar]: 2
  • Material: Plastic
  • Mounting Type: Screw Connection
  • Colour: black
  • TOPRAN: Expansion tank cap
  • Item number: 500 343
  • Our price: 7,59 €
  • Condition: New
Details
TOPRAN 500 343 001 Expansion tank cap Opening Pressure: 2bar
Article number: 500 343
compared to RRP 11,54 €

7,59 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

BLIC 6904-09-054470P 1978 BMW E12 expansion tank cap prices
Reviews - 6
Parts Details
  • Shifting Points [bar]: 1,4
  • Mounting Type: Screw Connection
  • Weight [kg]: 0,04
  • BLIC: Expansion tank cap
  • Item number: 6904-09-054470P
  • Our price: 48,99 €
  • Condition: New
Details
BLIC 6904-09-054470P Expansion tank cap
Article number: 6904-09-054470P
48,99 €
price incl. 21% VAT, free delivery

Sold by AUTODOC

ORIGINAL IMPERIUM 29654 1977 BMW E12 coolant reservoir cap prices
Reviews - 1
Parts Details
  • for OE number: 17111719167
  • Required quantity: 1
  • Pressure [bar]: 1,4
  • Weight [g]: 70
  • ORIGINAL IMPERIUM: Expansion tank cap
  • Item number: 29654
  • Our price: 9,99 €
  • Condition: New
Details
ORIGINAL IMPERIUM 29654 Expansion tank cap
Article number: 29654
9,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-48%
VAICO V20-0098-1 1976 BMW E12 expansion tank cap prices
Parts Details
  • Diameter: 65
  • Height: 47
  • Colour: black
  • Pressure [bar]: 1,4
  • Weight [kg]: 0,05
  • Packaging height [cm]: 6
  • Supplementary Info: Original VAICO Quality
  • Packaging Depth [cm]: 13,5
  • VAICO: Expansion tank cap
  • Item number: V20-0098-1
  • Our price: 9,99 €
  • Condition: New
Details
VAICO V20-0098-1 Expansion tank cap
Article number: V20-0098-1
compared to RRP 19,24 €

9,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

TRUCKTEC AUTOMOTIVE 08.19.110 1975 BMW 5 Saloon (E12) coolant reservoir cap prices
Reviews - 3
Parts Details
  • for OE number: 17 11 7 639 022
  • TRUCKTEC AUTOMOTIVE: Expansion tank cap
  • Item number: 08.19.110
  • Our price: 9,99 €
  • Condition: New
Details
TRUCKTEC AUTOMOTIVE 08.19.110 Expansion tank cap
Article number: 08.19.110
9,99 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-16%
GATES RC241 1974 BMW E12 expansion tank cap prices
Reviews - 4
Parts Details
  • Pressure [bar]: 1,4
  • Diameter: 88
  • Height: 46
  • Pressure [psi]: 21
  • GATES: Expansion tank cap
  • Item number: RC241
  • Our price: 16,49 €
  • Condition: New
Details
GATES 7410-30086 Expansion tank cap
Article number: RC241
compared to RRP 19,79 €

16,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

KAMOKA 7729002 1973 BMW 5 Saloon (E12) coolant reservoir cap prices
Reviews - 2
Parts Details
  • for OE number: 9202799
  • KAMOKA: Expansion tank cap
  • Item number: 7729002
  • Our price: 7,29 €
  • Condition: New
Details
KAMOKA 9202799 Expansion tank cap
Article number: 7729002
7,29 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

-19%
GATES RC204 1972 BMW E12 expansion tank cap prices
Reviews - 1
Parts Details
  • Pressure [bar]: 2,0
  • Diameter: 64
  • Height: 45
  • Pressure [psi]: 29
  • GATES: Expansion tank cap
  • Item number: RC204
  • Our price: 15,49 €
  • Condition: New
Details
GATES 7410-30031 Expansion tank cap
Article number: RC204
compared to RRP 19,29 €

15,49 €
price incl. 21% VAT, excl. delivery costs

Sold by AUTODOC

Expansion tank cap: components for the most widely used BMW 5 Saloon (E12) models

BMW E12 518
BMW 5 Series E12 520:
BMW E12 520i
BMW 5 Series E12 520/6:
BMW E12 525
BMW 5 Series E12 528:
BMW E12 M535
Explore great-value discounts on
Safe Order 200 days for expansion tank cap BMW E12 purchase
Safe Order 200 days
Safe Order 200 days

Confidence in online shopping! You can return a spare part without explanation within 200 days after purchase and get your money back. How? Just use the Safe Order service at the checkout page. The service cost is only 3,95 €.

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