Stainless steel impeller and 20% increase in flow!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!
Finally, a durable, attractive water pump pulley that won't break!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$101.99
This product was last offered at the strikethrough price on 05-02-2026
Retains OEM fitment with superior looks and durability. Connectors included!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4315269
Mfg#:
006205LA09
In Stock
ON SALE!
SAVE 30%
$194.99
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Aluminum fan shroud with 16" slim electric fan, NPT & Probe sensor, and all necessary wiring!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Designed with a NPT & Probe sensor that replaces your factory radiator sensor
Fully brazed two-row aluminum core with TIG-welded end tanks
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with automatic transmission
Brand:
ES#:
2999055
Mfg#:
MMRAD-E46-323A
Ships in 1-3 days
$539.99
This product was last offered at the strikethrough price on 06-04-2026
Aluminum fan shroud with 16" slim electric fan, fan controller, NPT & Probe style temperature sensors
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4057411
Mfg#:
MMFS-E46-01K
In Stock
$460.99
This product was last offered at the strikethrough price on 02-22-2026
Retains OEM fitment with superior looks and durability!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Includes new connectors - don't reuse brittle, high mileage plastic connectors!
Brand:
ES#:
2748020
Mfg#:
003631ECS01
In Stock
ON SALE!
SAVE 25%
$194.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrading cooling for your engine oil
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE!
SAVE 35%
$156.99
This product was last offered at the strikethrough price on 05-02-2026
Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3236075
Mfg#:
003631ECS01KT
In Stock
ON SALE!
SAVE 25%
$356.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade your cooling system with a bigger, more efficient, radiator, electric fan conversion, water pump, lower-temperature thermostat, and cooling system additives to combat the enemy of performance.
Lifetime Replacement
