Lower charge air cooling temps and/or engine coolant temps with CSF's direct fit auxiliary radiators - Radiators sold individually, two required for a complete system upgrade
2X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4876812
Mfg#:
8321
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$519.00
This product was last offered at the strikethrough price on 09-04-2026
Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4730412
Mfg#:
17117547059EKT
In Stock
ON SALE!
$1115.99
This product was last offered at the strikethrough price on 06-16-2026
Fully brazed two-row aluminum core with TIG-welded end tanks
35% increase in coolant capacity with a 25% increase in core thickness! For vehicles with manual transmission only
Brand:
ES#:
2766393
Mfg#:
MMRADE9007
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$605.00
This product was last offered at the strikethrough price on 08-13-2026
Track-tested and street-ready—the ULTIMATE cooling system upgrade for your N54 or N55!
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes! For vehicles with manual transmission only
Brand:
ES#:
4839753
Mfg#:
004443LA01
In Stock
ON SALE!
$604.99
This product was last offered at the strikethrough price on 06-13-2026
Ultra-efficient dual-core, triple-pass radiator from the leader in E9X M3 cooling. Cooler engine temps mean more power and longer life of engine components.
2X Entries Into Our F80 M3 Sweepstakes
Looks, performance, and reliability - upgrade your cooling system today! Includes ECS radiator, silicone houses, plus coolant and hose clamps.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3023151
Mfg#:
006084ECS01AKT1
In Stock
ON SALE!
SAVE 25%
$577.99
This product was last offered at the strikethrough price on 06-13-2026
Ultra-efficient dual-core, triple-pass radiator from a leader in BMW cooling. Cooler engine temps mean more power and longer life of engine components.
2X Entries Into Our F80 M3 Sweepstakes For vehicles with manual transmission and production date from 09/1998
Track-tested and street-ready—the ULTIMATE cooling system upgrade for your E46 M3!
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Lifetime Replacement
