X3 X5 e83, e53, e70. But don't waste money buying a new sensor or unnecessarily replacing hose assemblies, all of which can last well beyond 10 years/150,000 miles. All the green o-rings in our kits are peroxide cured EPDM, which we use in the most vulnerable locations for its excellent high temperature performance (150C/300F) and chemical resistance to glycol based coolants.
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