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BMW M3 Coolant Expansion Tank Kits

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E46 M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876067 - 008682LA02 - E46 M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE! SAVE 20%
$434.99

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

$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

F8X Heavy Duty Aluminum Expansion Tank Kit

ES#5425426 - 050595LA03 - F8X Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5425426
Mfg#:
050595LA03
Ships in 9 Business Days
ON SALE! SAVE 20%
$509.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876028 - 054921LA02 - E9x M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876028
Mfg#:
054921LA02
In Stock
ON SALE! SAVE 15%
$458.99

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

$390.99 USD
Free Shipping

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 For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4619758
Mfg#:
008348LA01BKT
In Stock
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#2586751 - 17111723520KT - Expansion Tank Replacement Kit - Includes a level sensor, cap and coolant - Assembled By ECS - BMW

Includes a level sensor, cap and coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586751
Mfg#:
17111723520KT
In Stock
ON SALE! SAVE 21%
$107.99

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

$85.73 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.

Brand:
Moroso - Corporate Logo
ES#:
3659548
Mfg#:
63791
In Stock
$445.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2586754 - 17111723520KT2 - Expansion Tank Replacement Kit - Includes all necessary hardware - Genuine BMW - BMW

Includes all necessary hardware

Brand:
Genuine BMW - Corporate Logo
ES#:
2586754
Mfg#:
17111723520KT2
Ships in 4 Business Days
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#2602634 - 17112283344KT - Expansion Tank Replacement Kit - Includes all necessary hardware - Genuine BMW - BMW

Includes all necessary hardware

Brand:
Genuine BMW - Corporate Logo
ES#:
2602634
Mfg#:
17112283344KT
Ships in 4 Business Days
$460.99

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

$377.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit

ES#3236073 - 17112283344KT2 - Expansion Tank Replacement Kit - Includes ECS S54 Exact-fit Water Pipe Connecting Line! - Assembled By ECS - BMW

Includes ECS S54 Exact-fit Water Pipe Connecting Line! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3236073
Mfg#:
17112283344KT2
Ships in 4 Business Days
ON SALE!
$389.99

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

$356.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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