BMW E46 M3 Coolant Expansion Tanks
The coolant expansion tank in your vehicle gives additional fluid a place to go after expansion and contraction from temperature change. Because it is subjected to such drastic changes on a regular basis, it can often crack or break.
You want to keep all the coolant in your vehicle in the cooling system. If your tank has experienced damage such as cracking, nipples breaking off, or mounting point damage, you will need to replace it.
ECS carries a wide range of tanks and kits for every budget.
Keep It Cool
Fits BMW:
E46 M3 (2001-2006)
E46 M3 Coolant Expansion Tank
Plastic expansion tank, including sealing cap
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
38023
Mfg#:
17112283344
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Availability:
In Stock
In Stock
Expansion Tank Replacement Kit
Includes all necessary hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2602634
Mfg#:
17112283344KT