Tesla updated its online design studios overnight to make some changes to its performance vehicles.

The automaker is bringing back the previously discontinued ventilated seats and it is making new black Arachnid wheels available from the ordering process.

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Arachnid wheels are 21″ wheels designed by Tesla for the Model S.

They were only available to Tesla owners through the referral program. After referring a number of new Model S and Model X buyers, Tesla would give you a new set of wheels with tires.

The automaker is now making black Arachnid wheels – pictured above – available to buy from the design studio, but only for the Model S P100D – the performance version of Tesla’s flagship sedan.

It’s now a $4,500 option that can be added to the $135,000 performance vehicle.

Tesla also introduced a new option for the interior of the Model S and Model X: ventilated seats.

Before 2017, Tesla was briefly offering the option to have ventilated seats until they were discontinued.

The option was first introduced in the Model X with the new seats, which eventually trickled down to some of the version of the Model S.

The idea was to have vents circulating air within the seat cushion in order to cool the seats in warm weather.

But some owners were complaining that they couldn’t detect a real air flow from the seats even when setting the option to “high” in order to cool them.

They even tried to demonstrate the lack of airflow with some not-necessarily-scientific tests:

But now Tesla is bringing back ventilated seats and it is making them standard on Model S and Model X P100D.

It’s currently not even available as an option on the other versions of the Model S or Model X as Tesla appears to currently make it a performance version exclusive for now.

We will have to take a closer look at the new ventilated seats to see if Tesla made any improvements to the design and the performance, which is likely since the automaker has brought a lot of its seat design and manufacturing in-house over the years.

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