A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically.
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3987599
Mfg#:
8131
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.
$749.00
This product was last offered at the strikethrough price on 07-18-2026
Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4766201
Mfg#:
11428596283-M
In Stock
ON SALE!
SAVE 15%
$249.99
This product was last offered at the strikethrough price on 07-01-2026
Keep your BMW's B58 engine cool with CSF's performance aluminum radiator!
2X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the M Sport Package (P337A and/or P7B3A)
Replacement thermostat With Housing for B46 and B48
10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines
Brand:
ES#:
4686052
Mfg#:
11537644811
In Stock
ON SALE!
SAVE 15%
$223.99
This product was last offered at the strikethrough price on 05-02-2026
Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability - Rein Part Number HEU0115
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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.
