BMW M3 oil cooler diverter valve thermostat bypass E46 S54 E36 S50 BIMMERTUNE

Z4M - cabrio and coupe BMW S50 and S54 engines have oil cooler thermostat that closes oil flow to the cooler until the engine is warm. New BMW E36 M3 and E46 M3 oil cooler thermostat bypass valve (oil diverter).

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