DINANTRONICS Performance Tuner Stage 1 for BMW E89 Z4 sDrive28i (EWG)


SKU: D440-1632-ST1-2

All orders will include an AutoTalent window decal

DINANTRONICS™ Performance Tuner is a highly engineered and sophisticated piece of computer hardware and software that enhances engine performance, without ineffectively or invalidate your new car warranty coverage and without affecting long term reliability or the functionality of on-board diagnostic systems. It is also the only tuning device emissions legal in all 50 states. The objective of developing this piece of technology was to provide the ability to control every signal entering and exiting the BMW factory Engine Control Unit. These items are unique to Dinan and together they embody the apex of performance engineering in a powerful, reliable, and warrantied package.

Stage 1 (DINANTRONICS Performance Tuner ONLY) Maximum Power: 311 HP, 328 lb-ft of toruqe for vehicles with an electronic wastegate. 

Special Note:

This version of the DINANTRONICS Performance Tuner is ONLY compatible with vehicles equipped with an electronic wastegate. 

Vehicles with a manufacture date prior to 09/2013 should utilize a mechanical wastegate. Vehicles with a production date after 08/2013 should utilize an electronic wastegate. Only a visual identification is 100% accurate however. Please consult the wastegate identification guide HERE to accurately identify what is on the vehicle.


  • 2012-2016 Z4 sDrive28i E89 Roadster 


Product Specifications:
Labor Hours/Installation Hours 1.50
Emission Status 50 State Emissions Legal. California Air Resources Board Executive Order Number D-176-42.
Max HP Gain 46 @ 5500 RPM
Max Torque Gain 44 @ 3500 RPM
Peak Horsepower 311 @ 5500 RPM
Peak Torque 328 @ 4000 RPM
Factory Rated HP 240 (268 Measured)
Factory Rated Torque 260 (290 Measured)
Included Notes DINANTRONICS Performance Tuner, Dinan wiring harness, Dinan Stage 1 software