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Dinan + Performance Engine Software - 2015-2020 BMW M2C/M3/M4
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Dinan + Performance Engine Software - 2015-2020 BMW M2C/M3/M4

Dinan
D900-S55-S1-W
Shop Install Only
F80/F82/F83/F87
$1,399.95 $1,259.96
$1,259.96
Dinan + Performance Engine Software - 2015-2020 BMW M2C/M3/M4
Product Details
Dinan has a long and storied past when it comes to engine tuning having introduced our first engine performance chip in the mid 80's - over 3 decades ago. From those early years with chips, followed by engine software and then to our own external control modules we have become experts in nearly every possible way to extract safe, reliable power from the factory powerplant. While we have long preferred the unheard of control and sophistication capable of being achieved from engine software, over the past 6 years that option was not one afforded to us. That changes now with the re-introduction to flash tuning for Dinan with the S55 engine. The first of the next generation of Dinan flash tunes, the S55 calibrations are held to the same principles of the past; performance, reliability, and safety. Dinan performance engine software is so much more than just turning up the turbo boost after all. It is a fully re-tuned engine management program that maximizes power while keeping all the BMW factory safeguards in place. Protecting your BMW while giving the most performance is the definition of "Performance Without Sacrifice". Drivetrain and engine components are analyzed for strength then the calibration is tested on the dyno and in the real world for durability and drivability. This next generation of Dinan flash tunes does differ from the past however in that there are many different options to choose from depending on your needs or desires. Whether you want a warranted tune for 93 pump gas when under the factory warranty, an E85 performance tune for maximum performance when outside of the factory warranty or something in between, chances are Dinan has an option for you. The Dinan + Performance engine software is designed for the completely stock S55 engine and yields more power, improved drivability while also removing the factory speed governor for maximum enjoyment. Dinan + variants of engine software also carry the infamous Dinan 4yr / 50k, factory matching warranty that the brand is synonymous with.

Features:

  • More Power: Max gains of 58 HP / 51 lb-ft of torque over stock on the F87 M2C and 32 HP / 42 lb-ft of torque over stock on the F8x M3/M4. Consult the performance charts for detailed data
  • Factory matching warranty coverage (4year / 50,000 mi), including the possibility of consequential damages
  • Calibrated to work exclusively with pump gas (91 and 93 octane).
  • No required parts, install on a stock car and receive the full power gains
  • Full map rescaling for drivability from idle to wide open throttle and everywhere in between
  • Top speed governor removed
  • Upgradeable from DINANTRONICS - See the Purchase Guide or FAQ linked below for details
  • Retains all BMW factory engine damage safeguards
  • Torque gains drastically improve acceleration
  • No hesitation between shifts
  • Downloads through the OBD2 Port - See compatability notice at the bottom of the product page
  • Hassle free operation — Install and enjoy

Emissions

This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020. The company has reasonable basis (test results) to verify that this product allows the vehicle to operate within legal emissions standards and is therefore legal to be sold for on-street use in all states that accept the legal provisions of the Clean Air Act and the EPA Tampering Policy. This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending with CARB. Once testing is complete with California, and an E.O. number is issued, this product will be updated to 50-state legal status.

2021 MY is currently not supported.

COMPATABILITY NOTICE - BOX CODES & JUNE 2019 FACTORY UPDATE

DME box code and bootloader information must be obtained from the vehicle to determine if a vehicle is flashable in its current state. In some cases we will need to create a file for your vehicle. This process could take several days and multiple dealer visits.

Vehicles previously serviced or updated after June of 2019 may have received a DME bootloader update from BMW. This bootloader version will prevent the Dinan software upgrade from completing. DMEs with the updated bootloader must be removed from the vehicle, and sent to Dinan HQ to have the bootloader backdated. DMEs sent to Dinan for the backdating procedure will not be opened or physically modified in any way. Once the DME is returned to the dealer, they must still be flashed with the Dinan performance software through the OBDII port. If a previously backdated and flashed ECU is updated with the new bootloader, the above process will need to be repeated. Dinan will not pay labor under warranty to remove and reinstall ECUs that were previously backdated, and then updated by BMW or a third party.

Calibration Quick Reference

All info supplied in the table below is 'at the crank' for consistency when comparing data with BMW advertised numbers which are always reported at the crank. For data 'at the wheels' please refer to the appropriate chart from the dropdowns above.

Table also represents all possible ECU software options currently available for the selected platform. Some stages / variants may require additional hard parts to achieve advertised numbers. Please consult the appropriate stages product page for details.

F8X M3/M4
STAGE / WARRANTY / PRICE HP (CRANK) TQ (CRANK) MAX GAIN MAX GAIN
Stock as Reported by BMW 425 HP 406 LB-FT
Stock as Measured by Dinan 480 HP 441 LB-FT
DINAN + / 4YR/50K / $1,399.95
Dinan + (91 Octane) 499 HP 477 LB-FT +35 HP +46 LB-FT
Dinan +HE (91 Octane) 514 HP 522 LB-FT +75 HP +88 LB-FT
STAGE 1 / LIMITED / $599.95
91 Octane 514 HP 522 LB-FT +75 HP +88 LB-FT
93 Octane 538 HP 542 LB-FT +95 HP +101 LB-FT
100 Octane 550 HP 559 LB-FT +105 HP +121 LB-FT
104 Octane 561 HP 588 LB-FT +126 HP +147 LB-FT
E85 584 HP 599 LB-FT +136 HP +159 LB-FT
F82 M2C
STAGE / WARRANTY / PRICE HP (CRANK) TQ (CRANK) MAX GAIN MAX GAIN
Stock as Reported by BMW 405 HP 406 LB-FT
Stock as Measured by Dinan 441 HP 434 LB-FT
DINAN + / 4YR/50K / $1,399.95
Dinan + (91 Octane) 501 HP 481 LB-FT +66 HP +55 LB-FT
Dinan +HE (91 Octane) 514 HP 522 LB-FT +90 HP +97 LB-FT
STAGE 1 / LIMITED / $599.95
91 Octane 514 HP 522 LB-FT +90 HP +97 LB-FT
93 Octane 538 HP 542 LB-FT +112 HP +116 LB-FT
100 Octane 550 HP 559 LB-FT +130 HP +130 LB-FT
104 Octane 561 HP 588 LB-FT +144 HP +157 LB-FT
E85 584 HP 599 LB-FT +164 HP +169 LB-FT
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more.
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