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2012 MINI Cooper S Coupe L4 1.6L

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Your Vehicle 2012 MINI Cooper S Coupe L4 1.6L
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2012 MINI Cooper S Coupe L4 1.6L Cooling Expansion Tank Parts

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Coolant Expansion Tank

ES#3138500 - 17137823626 - Coolant Expansion Tank - Mounts towards the front of the engine bay - Rein - BMW MINI

Mounts towards the front of the engine bay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3138500
Mfg#:
17137823626
In Stock
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Brass T Fiting

ES#4338584 - 11539845352 - Coolant Pipe - Brass T Fiting - Used as a modification to fix the common T fitting - Bremmen Parts - MINI
ECS Tuning recommends this product.

Used as a modification to fix the common T fitting 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4338584
Mfg#:
11539845352
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3499719 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Rein - MINI

Mounts to the side of the expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499719
Mfg#:
17122754231
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank N12 N14 N16 N18 1.6L Engine

ES#2808751 - 17137823626 - Coolant Expansion Tank N12 N14 N16 N18 1.6L Engine - Mounts towards the front of the engine bay - Vaico - BMW MINI

Mounts towards the front of the engine bay We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2808751
Mfg#:
17137823626
In Stock at Vendor
$148.99

This product was last offered at the strikethrough price on
05-07-2026

$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return Line

ES#4818951 - 11539845352 - Coolant Pipe - Return Line - Attaches from the auxiliary water pump to thermostat housing and expansion tank. - Bremmen Parts - MINI

Attaches from the auxiliary water pump to thermostat housing and expansion tank. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818951
Mfg#:
11539845352
In Stock
ON SALE! SAVE 20%
$46.99

This product was last offered at the strikethrough price on
05-02-2026

$37.53 USD
Free Shipping
on orders $49 and up

Engine Coolant Expansion Tank Cap

ES#2707899 - 17132754264 - Engine Coolant Expansion Tank Cap - Replace the expansion tank cap for your MINI / BMW - Febi - BMW MINI

Replace the expansion tank cap for your MINI / BMW 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2707899
Mfg#:
17132754264
In Stock at Vendor
$11.99

This product was last offered at the strikethrough price on
06-08-2026

$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Grommet - Priced Each

ES#38480 - 17132751855 - Grommet - Priced Each - Rubber grommet for the coolant tank mount - Genuine MINI - MINI

Rubber grommet for the coolant tank mount

Brand:
Genuine MINI - Corporate Logo
ES#:
38480
Mfg#:
17132751855
In Stock
$5.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4941100 - 17132754264 - Engine Coolant Expansion Tank Cap - Replace the expansion tank cap for your MINI / BMW - Bremmen Parts - BMW MINI

Replace the expansion tank cap for your MINI / BMW 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941100
Mfg#:
17132754264
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 14%
$6.99

This product was last offered at the strikethrough price on
05-02-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2587382 - 17137823626KT - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Genuine MINI - MINI

Includes everything you need to bolt on a brand new expansion tank

Brand:
Genuine MINI - Corporate Logo
ES#:
2587382
Mfg#:
17137823626KT
Ships in 2 Business Days
$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#38271 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Genuine MINI - MINI

Mounts to the side of the expansion tank

Brand:
Genuine MINI - Corporate Logo
ES#:
38271
Mfg#:
17122754231
Ships in 2 Business Days
19% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$46.65

This product was last offered at the strikethrough price on
07-18-2026

$37.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3023893 - 17137823626 - Coolant Expansion Tank - Mounts towards the front of the engine bay - Mahle-Behr - BMW MINI

Mounts towards the front of the engine bay

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023893
Mfg#:
17137823626
Back Ordered
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3172431 - 17122754231 - Coolant Hose - Mounts to the side of the expansion tank - Vaico - MINI

Mounts to the side of the expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3172431
Mfg#:
17122754231
In Stock at Vendor
$30.99

This product was last offered at the strikethrough price on
05-07-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Head Screw

ES#2798671 - 07147118369 - Torx Head Screw - Used most commonly for the expansion tank - Genuine MINI - MINI

Used most commonly for the expansion tank

Brand:
Genuine MINI - Corporate Logo
ES#:
2798671
Mfg#:
07147118369
In Stock
33% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$2.99

This product was last offered at the strikethrough price on
06-17-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4328181 - 17137823626 - Coolant Expansion Tank - Mounts towards the front of the engine bay - Meyle - BMW MINI

Mounts towards the front of the engine bay 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328181
Mfg#:
17137823626
Special Order: No Guaranteed ETA
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion tank cap

ES#4723381 - 3142380005 - Expansion tank cap - Upgrade your BMW's cooling system with the reliable Meyle Expansion Tank Cap to ensure performance and longevity. - Meyle - BMW MINI

Upgrade your BMW's cooling system with the reliable Meyle Expansion Tank Cap to ensure performance and longevity. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4723381
Mfg#:
3142380005
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

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Manufacturer names and/or part numbers are used only for identification purposes.

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