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This tune is specifically intended for S52B32 engines running on OBD-1 electronics AND without a MAF sensor*, instead utilizing only IAT + TPS to tune. This tune works with the Bosch Motronic 075, 413, and 506 ECUs.

These tunes are region specific, and a tune for sea-level may not operate as ideally at high elevation. The use of a well working, stock EGO sensor will help the ECU adjust for elevation changes.

*IAT sensor should be retained for best results, but may be removed. If you choose to remove the IAT sensor, your tune will be region and temperature specific, as air density is directly related to those factors.

Forced induction is now supported on Over-The-Net (OTN) tunes. However, we do prefer to tune these in-person, and can do so in Florida, California, Colorado, Missouri, Illinois, Nebraska, or Kansas. Please contact us to setup an appointment!

Bring your S50 to life with this fully tuned, daily driven, and track tested  performance chip. The SSSQUID performance chip is the most complete tune on the market, with every aspect of the mapping being optimized from idle to wide-open-throttle.

Launch Control: This feature is available only with the M3 413, 506 or 075 ECU. Please CONTACT US with any questions about this feature.

This chip is compatible with the following engines that have been converted to or swapped into OBD-1:

  • S52B32 US SPEC


0.5 6900
1.0 7050
1.5 ++
2.0 ++
2.5 ++
3.0 ++

++ Denotes modification-specific limits. We will recommend a rev limit based on your engine modifications, but it can also set according to your request!

Don’t know what stage you need? Looking for a little advice? Please see the GETTING STARTED page or CONTACT US for more information!


Shipped and sold directly by SSSQUID!

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