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
It's no secret that modern turbocharged BMW engines run hot. Whether you're turning laps at the track or sitting in summer traffic, high oil temperatures are the enemy of engine longevity and performance.
10X Entries For Our 25th Anniversary Sweepstakes!
Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE!
SAVE 25%
$76.99
This product was last offered at the strikethrough price on 06-13-2026
Looks, performance, and reliability - upgrade your cooling system today!
10X Entries For Our 25th Anniversary Sweepstakes! Upgrade over the OE achilles heel plastic sides and easily-stripped plastic drain plug.
Brand:
ES#:
3023150
Mfg#:
006084ECS01AKT
In Stock
ON SALE!
SAVE 25%
$420.99
This product was last offered at the strikethrough price on 06-13-2026
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:
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
Includes housing and sealing o-ring
10X Entries For Our 25th Anniversary Sweepstakes! Low-temp thermostat reduces stresses on engine components and improves performance
Brand:
ES#:
4158502
Mfg#:
11537586885
In Stock
ON SALE!
SAVE 20%
$93.99
This product was last offered at the strikethrough price on 05-02-2026
Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components.
2X Entries For Our 25th Anniversary Sweepstakes!
True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components.
2X Entries For Our 25th Anniversary Sweepstakes!
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
