Connects the heat management module to the expansion tank's lower port
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For Pre-LCI models with the earlier Gen1 B46 engine only
Brand:
ES#:
5341131
Mfg#:
17127535536
Ships in 3 Business Days
$76.00
This product was last offered at the strikethrough price on 05-13-2026
OE-quality coolant expansion tank engineered to withstand the intense heat cycles of BMW's 4.4L Twin-Turbocharged V8 engines.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Connects the upper radiator hose to the expansion tank
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Connects between the top of the radiator and the bottom of the expansion tank
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Does not include cap or coolant level sensor
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Secures the expansion tank to the radiator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! For vehicles with a manual transmission
A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.
Lifetime Replacement
