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.
Standard replacement radiator
We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date from 09/1982
Brand:
ES#:
3492071
Mfg#:
17111468546
In Stock
$304.82
This product was last offered at the strikethrough price on 06-08-2026
Mounts to the side of the radiator for retaining the expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with automatic transmission only
Brand:
ES#:
37703
Mfg#:
17111436251
In Stock at Vendor
$205.99
This product was last offered at the strikethrough price on 05-07-2026
Rein OE quality coolant hose turbo
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4689869
Mfg#:
11538663517
In Stock at Vendor
$86.99
This product was last offered at the strikethrough price on 05-07-2026
Used to connect to the inline thermostat
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
The factory connection point is brittle and cracks, leaving your BMW leaking coolant. Replace yours with a durable billet connection and silicone hose for less than a Genuine BMW replacement!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4164362
Mfg#:
004691LA01KT
In Stock
ON SALE!
SAVE 10%
$109.99
This product was last offered at the strikethrough price on 06-13-2026
Feeds coolant from the water pump to the thermostat module
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
Brand:
ES#:
4179818
Mfg#:
11538650981
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$109.99
This product was last offered at the strikethrough price on 06-19-2026
Restore heat and fix leaks, replace the water valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date from 09/1982
Brand:
ES#:
176012
Mfg#:
64111373191
Ships in 1-2 days
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$610.99
This product was last offered at the strikethrough price on 06-19-2026
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.
Lifetime Replacement
