DCT Transmission Oil Thermostat - E9X M3 DCT

Oil thermostat regulates DCT oil temps. Genuine BMW replacement for part #17212283325.

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Typically ships in 3-5 business days.

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Price:
$150.13

The DCT oil thermostat for the E9X M3 DCT is part of the M3's two-stage transmission cooling system. The thermostat controls where the DCT fluid is sent to be cooled - up to the DCT heat exchanger or out to the remote oil cooler located in the right front grille of the front spoiler. When the transmission is cold the DCT fluid is recirculated through the heat exchanger where it gets warmed up. Once above 95C/203F the thermostat opens to send oil to the remote cooler.

A failed thermostat will cause internal DCT temperatures to rise or take longer to reach operating temp, hard or delayed shifting, limp mode and fault codes, or even complete transmission failure. If your E90, E92, or E93 M3 DCT is experiencing any of these symptoms do not automatically assume the transmission itself is at fault. Replace the heat exchanger, thermostat, and possibly the auxiliary coolant pump first.

This is a Genuine BMW M3 DCT oil thermostat. It's the same part as originally installed on all E90, E92, and E93 M3 DCT transmissions so it will fit and operate just as the factory designed. It comes with a two year warranty. Coolant lines and o-rings are sold separately. Refer to the shaded purple component in the image above (actual color is grey).

BMW Fitments:
3 Series
E90 / E91 / E92 / E93 (06-13) > M3
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