The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
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A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically.
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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 06-08-2026
Featuring an all-aluminum tank and core. Lower engine temperatures mean more power and longer life of engine components!
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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)
VRSF front mount intercooler upgrade for B46/B48/B58 M240i, 340i, 440i, 740i, X3 & X4 F20, F22, F30, F32.
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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.
Replaces the stock plastic flange found in the thermostat to cylinder head coolant hose that is known to fail
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A high performance heat exchanger like this will keep the engine at a more consistent temperature and drop intake temps dramatically.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
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 a Manual Transmission only
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
