The 07K NA tune is available in two octane variants, and there is no additional charge for either. Both files can be added to your account at the same time with the purchase of the NA tune.
| File | Run it on | Notes |
|---|---|---|
| 87 AKI | 87 AKI | Same driveability improvements, minus a small performance difference |
| 91 AKI | 91 or 93 AKI | The 91 file is also the correct file to run on 93 |
Is 93 AKI worth it?
In its naturally aspirated form, the 2.5 does not benefit from 93 AKI. The 91 AKI rating is a minimum requirement for that file, not an optimum — there is no gain from filling with 93 over 91.
Requesting the 87 AKI file
Leave a note when placing your order. The note field is at the last step of the checkout process.
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