Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with an automatic or DCT transmission only
Brand:
ES#:
2992649
Mfg#:
7046
In Stock
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$699.00
This product was last offered at the strikethrough price on 06-04-2026
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!
Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with manual transmission only
Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Compatible with factory/aftermarket cold side intakes as well as hot side intakes!
Featuring an all-aluminum tank and core. Lower engine temperatures mean more power and longer life of engine components!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE!
SAVE 25%
$74.99
This product was last offered at the strikethrough price on 05-02-2026
Keep your BMW's B58 engine cool with CSF's performance aluminum radiator!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with the M Sport Package (P337A and/or P7B3A)
Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4707593
Mfg#:
008640LA02
In Stock
ON SALE!
SAVE 15%
$185.99
This product was last offered at the strikethrough price on 05-02-2026
Looks, performance, and reliability - upgrade your cooling system today!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Upgrade over the OE achilles heel plastic sides and easily-stripped plastic drain plug.
Looks, performance, and reliability - upgrade your cooling system today!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Upgrade over the OE achilles heel plastic sides and easily-stripped plastic drain plug.
The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE!
SAVE 15%
$425.99
This product was last offered at the strikethrough price on 05-02-2026
Fully brazed two-row aluminum core with TIG-welded end tanks
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 35% increase in coolant capacity with a 25% increase in core thickness!
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4265534
Mfg#:
008286LA01
In Stock
ON SALE!
SAVE 35%
$103.99
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
Ships in 1 Business Day
ON SALE!
SAVE 30%
$194.99
This product was last offered at the strikethrough price on 05-02-2026
Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles With Engine Code N52B30 (Non-SULEV w/o Auxiliary Heating)
Brand:
ES#:
4877083
Mfg#:
008641LA03
In Stock
ON SALE!
$127.99
This product was last offered at the strikethrough price on 05-02-2026
The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Looking to mitigate high temperatures under hard driving or from serious engine upgrades? Our performance cooling system upgrades like radiators, silicone hoses, upgraded water pumps, low-temperature thermostats, electric fan conversions, and more are just what you need to keep those temps down for longer.
Lifetime Replacement
