Services & options
DPF off
Our DPF off solution removes the complete particulate filter strategy from the ECU: regeneration cycles, differential pressure monitoring, temperature models and the related diagnostic trouble codes. The result is a clean file with no limp mode, no warning light and no leftover regeneration attempts.
Upload the original read through your slave or master tool, tick the DPF option, and download the modified file, with a real-time estimate, 60 minutes maximum during opening hours. Every file is prepared individually by our engineers on genuine WinOLS projects, not by an automated bot.
What the file includes
- ✓Complete removal of regeneration logic and DPF-related DTCs
- ✓No limp mode, no dash warning, clean OBD readout
- ✓Compatible with combined EGR off requests (DPF/OPF + EGR combo)
- ✓Cars, trucks, tractors and construction machinery covered
What happens inside the ECU
A particulate filter is not just a canister: the ECU holds a full model of it. It estimates accumulated soot from air mass, load and the differential pressure sensor, triggers a regeneration by post-injecting diesel to push the exhaust beyond 600 °C, and counts the failed cycles. When the filter saturates or a sensor lies, it is those counters — not the mechanics — that put the engine into limp mode.
Removing the DPF in software means removing that whole chain: regeneration trigger and post-injection, soot loading model, differential pressure and temperature sensor monitoring, and the codes that depend on them. The rest of the file is untouched: injection, boost and thermal protections keep working normally. A sloppy file shows itself quickly — phantom regenerations diluting the oil, or a warning light that returns after a few hundred kilometres.
What this file does not do
This file does not replace a diagnosis. A filter clogged by failing injection, a tired turbo or a seized EGR valve leaves exactly the same symptoms once the strategy is gone. And it changes nothing about the rules: the vehicle's type approval and the emission test stay what they are.
What you send us
- →The complete original read, straight from your tool and unmodified.
- →The tool used and the reading route: OBD or bench, writing back is not the same.
- →The state of the vehicle: DPF still fitted or already removed, failed regenerations, limp mode at the time of the read.
- →Make, model, engine, power, year, and the ECU reference if you have it.
Turnaround and tokens
60 minutes maximum during opening hours for a file already developed on that reference.
Mon–Fri 8:00–18:00 · Sat 9:00–16:00 · Sun closed (Brussels time)
Median measured over the last six months: 20 minutes.
A file never developed for that reference means custom work: we tell you the turnaround before your tokens are committed, never after.
What we have already delivered
We have delivered this option across 32 makes and 46 different ECU references.
The makes that come back most often: BMW, Citroën and Volkswagen.
Files actually handled in our workshop, read on 25 September 2026. This is not a compatibility list: a vehicle outside these makes is not a vehicle we turn down.
Check access to your ECU
Before ordering, the real question is which route your tool uses to read that ECU. These pages gather what the tool vendors announced, reference by reference, with the dates.
Frequently asked questions
Does the DPF have to be physically removed?
The file deactivates the software strategy. For a functional result the filter core is usually gutted or replaced by a straight pipe by the workshop. That mechanical part stays your responsibility.
Will the car pass OBD diagnosis afterwards?
Yes. We remove the related fault codes and readiness issues so the ECU reports a coherent state, without leftover DPF errors.
Is DPF off road legal?
No. In the EU and most markets, removing emission systems is only allowed for competition, off-road or export vehicles. As a professional you must inform your customer accordingly.
Ready to send your file?
Create your professional account, buy tokens and upload your original read. Your custom file comes back in 60 minutes maximum during opening hours, with a live estimate.
Live estimate · 60 min max during opening hours