Stainless steel impeller and 20% increase in flow!
When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!
Brand:
ES#:
2581452
Mfg#:
888010330
In Stock
$219.99
This product was last offered at the strikethrough price on 06-15-2026
The new and improved upgrade N52/N54/N55 owners have been waiting for. Get rid of that failure-prone water pump to thermostat hose. Updated for easier install.
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4265534
Mfg#:
008286LA01
In Stock
ON SALE!
SAVE 30%
$106.99
This product was last offered at the strikethrough price on 11-07-2026
Finally, a durable, attractive water pump pulley that won't break!
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
SAVE 10%
$104.99
This product was last offered at the strikethrough price on 11-07-2026
Includes housing and sealing o-ring
We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance
The upgrade N52/N54/N55 owners have been waiting for - get rid of that failure-prone water pump to thermostat hose
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
3659542
Mfg#:
020414ECS01KT
In Stock
ON SALE!
SAVE 30%
$113.99
This product was last offered at the strikethrough price on 11-07-2026
Upgrade to a much more durable connection from your thermostat to your cylinder head!
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
3579656
Mfg#:
024797ECS03
In Stock
ON SALE!
SAVE 20%
$116.99
This product was last offered at the strikethrough price on 11-07-2026
Easily upgrade your N52 with our bolt-in 400W N54 water pump conversion that doubles overall flow and improves cooling system efficiency.
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
5425471
Mfg#:
044952LA04KT
In Stock
ON SALE!
SAVE 30%
$477.99
This product was last offered at the strikethrough price on 06-13-2026
New thermostat and spring. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory.
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
5456347
Mfg#:
008731KT
In Stock
ON SALE!
SAVE 16%
$63.99
This product was last offered at the strikethrough price on 05-29-2026
Easily upgrade your N52 with our bolt-in 400W N54 water pump conversion that doubles overall flow and improves cooling system efficiency.
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
5425472
Mfg#:
044952LA04AKT
In Stock
ON SALE!
$597.99
This product was last offered at the strikethrough price on 10-28-2026
Oil coolers and transmission coolers help keep fluid temperatures in check on the street and track. Replace leaky or failed oil coolers and transmission coolers with an OEM or aftermarket unit to get back on the road or upgrade to a performance oil cooler or transmission cooler for better temperature control.
Lifetime Replacement
