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Tuning example Bosch MD1CS001 DDE802L - BMW - 2.0l Diesel

  • Description

The BMW 5 Series 520d xDrive is equipped with a 2.0l turbo Diesel engine which, in its original version, provides 140 kW of maximum power. The specific vehicle we analysed is equipped with an all-wheel drive and an 8-speed ZF8HP50 automatic transmission. The Alientech technicians have been able to balance the changes to the original file in order to obtain an incredible increase in performance without damaging the mechanical and electrical components!

  • Bosch MD1CS001 DDE802L
  • 2.0 turbo Diesel
  • BMW Serie 5 520d xDrive, Diesel, 2018

The 2018 BMW Series 5 520d xDrive G30 is a model appreciated by all car enthusiasts looking for luxury and practicality in a vehicle, combined with the reliability that only BMW can guarantee. Alientech technicians achieved maximum performance by developing a tuning procedure that improves vehicle performance, without affecting the degree of reliability.

Follow these small steps to find out how our Alientech tuners have managed to increase the maximum torque and power of the xDrive 5 Series 520d engine. In this practical video lesson of about 30 minutes, we will provide you with everything you need to know before proceeding with the remapping of your vehicle’s ECU. You will follow the tuning procedure on the ECM Titanium software, and you will evaluate the increase in performance and diagnostics after writing the modified file. All of that, at a competitive price!

This remapping procedure, which guarantees a notable increase in performance, is also a good starting point for the modification of other BMW vehicles equipped with the same engine or a variant. By learning the procedure, it will be easy to expand the opportunities of your workshop and improve in your profession as a tuner!

It doesn’t matter if you are a beginner or expert tuner: the information contained in the example will be equally valuable to you. The former will immediately be able to modify a vehicle resulting in extraordinary performance, the latter will be given a good starting point for developing a personalized modified file.

Compatible Vehicles

Model Engine size Generation
5 series 520d (G30 – G31) 6MT / 8AT 2.0L -> 1995cc 7 (MY2017)
5 series 520d xDrive (G30 – G31) 8AT 2.0L -> 1995cc 7 (MY2017)
X3 series xDrive20d (G01) 8AT 2.0L -> 1995cc 3 (MY2017)
X4 series xDrive20d (G02) 8AT 2.0L -> 1995cc 2 (MY2018)


Model Engine code Power Generation
5 series 520d xDrive (G30 – G31) 8AT B47D20O0 140kW 7 (MY2017)
5 series 520d (G30 – G31) 8AT B47D20O0 140kW 7 (MY2017)
5 series 520d (G30 – G31) 6MT B47D20O0 140kW 7 (MY2017)


Model Engine code Power Generation
X3 series xDrive20d (G01) 8AT B47D20O0 140kW 3 (MY2017)


Model Engine code Power Generation
X3 series xDrive20d (G01) 8AT B47D20O0 140kW 3 (MY2017)

Enter the world of online training at Alientech Academy: we guarantee the results! What are you waiting for? Enter the Alientech Academy world and become an expert tuner!

One lesson of about 30 minutes, composed by 3 sections:

First section:

in this part of the example we will describe the characteristics of the vehicle by listing version, equipment, year of production, traction and type of gearbox. Then, we indicate all the vehicles – even of different car manufacturers – equipped with the same engine or similar version; immediately after, the specifications of the engine control unit will be specified in detail: that is the identification data and the versions for the emission classes. In addition, we talk about the types of connection with Alientech tools – which are useful for the remapping – by indicating the protocols of use, the available functions and giving some practical advice for editing operations. Finally, the structure of the original file is presented by indicating the addresses and the various areas.

Second section:

this part directly addresses the remapping practice. After a brief introduction, we present the summary list of the maps that will be modified, the Alientech modification method and its specific application to the vehicle in question. Following the wizard of this remapping practice, you will be able to create a mapping that will ensure high performance and guaranteed reliability.

Third section:

this last part is dedicated to the discovery of the potentialities of this remapping practice: the new increases, compared to the original settings of the vehicle in a precise and detailed chart, clarify efficaciously how this remapping practice is effective and surprising.