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BMW E39 Coolant Expansion Tank Kits

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M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit

ES#4619758 - 008348la01bKT - M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles produced before 09/1998

Brand:
Turner Motorsport - Corporate Logo
ES#:
4619758
Mfg#:
008348LA01BKT
Ships in 6 Business Days
ON SALE! SAVE 20%
$423.99

This product was last offered at the strikethrough price on
06-13-2026

$339.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2695584 - 17112229114KT - Expansion Tank Replacement Kit - Includes a level sensor, cap, and coolant - Genuine BMW - BMW

Includes a level sensor, cap, and coolant Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2695584
Mfg#:
17112229114KT
In Stock
$353.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Aluminum Expansion Tank

Keep your car cool and prepared for hot conditions and end "spontaneous combustion" of plastic expansion tanks. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with a production date before 09/1998

Brand:
Moroso - Corporate Logo
ES#:
3659548
Mfg#:
63791
In Stock
Limited Qty Sale
$445.99

This product was last offered at the strikethrough price on
08-07-2026

$418.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2588595 - 17111741167KT4 - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Genuine BMW - BMW

Includes everything you need to bolt on a brand new expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2588595
Mfg#:
17111741167KT4
Ships in 5 Business Days
$388.99

This product was last offered at the strikethrough price on
06-23-2026

$384.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#2593211 - 17111741167KT6 - Expansion Tank Replacement Kit - Includes an OE replacement expansion tank - Assembled By ECS - BMW

Includes an OE replacement expansion tank 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Includes durable brass coolant bleeder screw - no more stripped or broken bleeder screws!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593211
Mfg#:
17111741167KT6
Ships in 5 Business Days
ON SALE! SAVE 14%
$109.99

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

$95.02 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#2592944 - 17111741167KT5 - Expansion Tank Replacement Kit - Includes a replacement URO expansion tank - Assembled By ECS - BMW

Includes a replacement URO expansion tank 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Includes durable brass coolant bleeder screw - no more stripped or broken bleeder screws!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592944
Mfg#:
17111741167KT5
Ships in 7 Business Days
ON SALE!
$106.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank Kit

ES#4685755 - 17111436381KIT - Coolant Expansion Tank Kit - Hamburg Tech - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4685755
Mfg#:
17111436381KIT
Ships in 2 Business Days
$79.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2684751 - 17111723520KT4 - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Assembled By ECS - BMW

Includes everything you need to bolt on a brand new expansion tank 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 08/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2684751
Mfg#:
17111723520KT4
Ships in 2 Business Days
ON SALE! SAVE 24%
$61.99

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

$47.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2684746 - 17111723520KT1 - Expansion Tank Replacement Kit - ncludes everything you need to bolt on a brand new expansion tank - Genuine BMW - BMW

ncludes everything you need to bolt on a brand new expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with production date up to 08/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2684746
Mfg#:
17111723520KT1
Ships in 1-2 days
$434.99

This product was last offered at the strikethrough price on
08-13-2026

$428.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#2684756 - 17111436381KT - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Genuine BMW - BMW

Includes everything you need to bolt on a brand new expansion tank Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine BMW - Corporate Logo
ES#:
2684756
Mfg#:
17111436381KT
Ships in 1-2 days
$378.99

This product was last offered at the strikethrough price on
08-13-2026

$372.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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