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1.6 HDI 16V 110 DPF 2005 – 2010 Bosch EDC16C34 EU4 Citroen C4

138 BHP

Stage 1 Power

280 Nm

Stage 1 Torque

Citroen C4 1.6 HDI 16v 110 Stage 1 Remap – DPF safe (138 BHP | 280 Nm)

The HDI Tuning Stage 1 remap, tailored for the Citroen C4 1.6 HDI 16v 110BHP engine, is the leading option on the market. Being the sole company to specialise in this engine, years of developmental work have been invested to create the perfect remap.

Our Stage 1 remap offers consistent smooth torque across the entire rev range, with torque peaking at a satisfying 280Nm, and the maximum power output is a thrilling 138BHP. The stage 1 software stays securely within the safe parameters of your clutch, dual mass flywheel, and turbo charger.

The stage 1 remap is designed to work in harmony with the DPF system, meaning there’s no additional risk of clogging the DPF filter, as long as the vehicle is taken on regular lengthy journeys. Most customers also notice a positive economy improvement during typical driving conditions after adjusting to the additional power.

You can undertake the ECU programming yourself through our online remapping service, using recommended tools like Kess V2 or DimSport MyGenius from our webshop. If you’d rather send the ECU for the programming, you can utilise our postal remap service. We also have multiple garage locations for in-person service.
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Citroen C4 1.6 HDI 16v 110 Stage 1 + Full Power Remap (143 BHP | 295 Nm)

The HDI Tuning full power stage 1 remap for the Citroen C4 1.6 HDI 16v 110 will provide 143BHP and 295Nm. When using the Stage 1+ Remap, a performance down pipe and exhaust system can be utilised.

Tuning the 1.6 HDI 16v engine is sometimes complex for other tuners, especially with a free-flowing down pipe installed. While many tuners might go overboard, leading to unstable turbo control and potential turbo problems, our HDI tuning remap stands apart. Not only does it deliver optimal performance, but it also ensures compatibility with your vehicle’s stock hardware. By fully reworking the turbo pre-control strategy and PID control loops, we ensure smooth driving with consistent and strong torque. Our proprietary software, developed in-house, is one of a kind and secure.

Being more aggressive, the Stage 1+ Remap may increase the risk of clogging the particle filter, necessitating regular lengthy journeys.

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Stage 2

On the 1.6 110 model we generally skip the stage 2 step. The reason for this is so that we don’t over stress the turbo, we like to keep our remaps safe and reliable. Instead, if we want more power we need to fit a larger or stronger turbo charger such as a GTD1244VZ and also a larger intercooler. That’s not to say you won’t get more power if you’re running a Stage 1+ remap with an intercooler and exhaust upgrade, you definitely will, we just won’t push the turbo any harder than the Stage 1+ settings as these have proven to be safe and reliable over many years of testing for a standard GT1544V turbo.

Citroen C4 1.6 HDI 16v 110 Stage 3 Remap – Option 2 GTD1244VZ (155 BHP | 320 Nm)

We have a great option for a turbo and injector upgrade, this upgrade is almost a direct fit and uses the turbo from the newer 1.6 engine.

The GTD1244VZ uses fourth generation Garrett GTD technology which means earlier spool and better top end power. Another plus is that this turbo fits directly on to the stock exhaust manifold. Here’s a fitment guide for a standard GTD12 designed for a reliable 155 BHP with 320Nm.

To run this remap we also require you to upgrade to the 0445110297 injectors, fit a 3.1 Bar MAP sensor, performance down pipe and an EGR blank (for track use only). It’s well worth while to fit an uprated intercooler, with this you can push for nearer to 160 BHP (110 models from 2007 onwards will already have the 297 injectors fitted).

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Citroen C4 1.6 HDI 16v 110 Stage 3 Remap – Option 3 (185 BHP | 370 Nm)

The next step up is to build a hybrid GTD12 using a 49mm compressor wheel (please contact for full specifications before building your turbo).

To run this remap we also require you to upgrade to the 0445110297 injectors, fit a 3.1 Bar MAP sensor, performance down pipe and an EGR blank (for track use only). You will also need a large front mount intercooler with a straight through exhaust system of 2.5 inch.

The clutch will need to be upgraded to at least a stage 2 Kevlar clutch, or better is a full stage 3 ceramic paddle clutch.

Please see here for the full fitment guide.

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Stage 4 (205 BHP | 380 Nm)

HDI Tuning have developed a completely custom turbo manifold kit to fit the 1.6 16V engine. The turbo used is a TF035 from a 2.2 Mitsubishi engine with a very modern VNT system. This turbo offers excellent spool and crazy top end power.

Upgrades required:

  • TF035 manifold;
  • TF035 turbo;
  • 3.1 bar or 4 bar MAP sensor;
  • Turbo down pipe;
  • 2.5 inch exhaust system;
  • Large FMIC;
  • 0445110297 injectors;
  • The clutch will need to be upgraded to a full stage 3 ceramic paddle clutch.

Which vehicles are covered?

The power figures quoted on this page are applicable to the following vehicle models if fitted with a Bosch EDC16 ECU and the 1.6 16v DV6TED4 HDI engine:

Peugeot 206 1.6 HDI 16v 110 BHP
Peugeot 207 1.6 HDI 16v 110 BHP
Peugeot 307 1.6 HDI 16v 110 BHP
Peugeot 308 1.6 HDI 16v 110 BHP
Peugeot 407 1.6 HDI 16v 110 BHP
Peugeot Partner 1.6 16v HDI Van – Scandinavian models fitted with the GT1544v turbo

Citroen C2 1.6 HDI 16v VTS 110 BHP
Citroen C3 1.6 HDI 16v 110 BHP
Citroen C4 1.6 HDI 16v 110 BHP
Citroen C5 1.6 HDI 16v 110 BHP
Citroen Berlingo 1.6 16v HDI Van – Scandinavian models fitted with the GT1544v turbo

If your vehicle is not listed directly but you have the 1.6 16v DV6TED4 engine with the GT1544V turbo you can assume these figures will be correct.

Programming Methods – OBD programming or Bench Programming

There are two variants of the 1.6 EDC16 ECU, EDC16C3 and EDC16C34. The C3 ECU has a 1MB flash whilst the C34 has a 2MB flash.

Recommended programming method:

Program over OBD using the Dimsport MyGenius standalone tool

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The Dimsport MyGenius tool is the safest, easiest and most reliable way to program your ECU from home. Simply connect to the OBD port and let the tool do the work, no need to remove your ECU or bench program for most ECU types. For more information have a read here

Programming via OBD EDC16C34

  • Obtain a suitable programming tool; we recommend to use Dimsport MyGenius, you can also use Kess V2.
  • Install the tool to a reliable laptop.
  • Connect to the OBD port of your car, make sure you have backup chargers to the vehicle battery and the laptop battery.
  • ID the ECU and then take a read of the ECUs flash memory.
  • Email the software to remap@hdi-tuning.co.uk along with a description of the remap you require.
  • Send payment through our webshop.
  • We will modify the software and send back to you. This normally takes less than 2 to 3 hours during working days.
  • Using the same tool, ID then write to the ECU. This will overwrite the ECUs flash memory, it’s important not to interrupt the process. If you encounter any problems we can fix the ECU for you so there’s absolutely nothing to worry about.
  • Let your engine warm up and then take the car for a spin, enjoy the extra power!

Programming via BDM100 EDC16C3 & EDC16C34

  • Order a suitable tool such as Kess KTAG or BDM100.
  • Install the tool to a reliable laptop.
  • The ECU must be removed from the vehicle, and then the tabs on the lid can be carefully pried open and the casing of the ECU removed.
  • Using a pogo spring probe connect to the ECU board, power the ECU to the ECU connector plugs as described by your programming tool.
  • ID the ECU and then take a read of the ECUs memories for a backup (please save separately, and not as a combined file). For EDC16C3 the performance maps are in the 1MB flash. For EDC16C34 the performance maps are stored in the 2MB flash memory.
  • Email the software to remap@hdi-tuning.co.uk along with a description of the remap you require.
  • Send payment through our webshop.
  • We will modify the software and send back to you. This normally takes less than 2 to 3 hours during work days.
  • Using the same tool, ID then write to the ECU. This will overwrite the ECUs memory, it’s important not to interrupt the process. If you encounter any problems we can fix the ECU for you so there’s absolutely nothing to worry about (You can always repair an ECU if you take a full BDM backup of all memories).
  • Straighten the lid on the ECU and seal with a little silicone.
  • Refit the ECU and start the engine.
  • Let your engine warm up and then take the car for a spin, enjoy the extra power!