Citroen C4 ECU Remapping & Engine Tuning
We have remap figures for 33 Citroen C4 engines across five generations. Petrol engines gain +6% to +28% power and diesels +19% to +32%. The largest bhp increase is on the C4 MK2 1.6 Turbo: 155 to 199 bhp (+44 bhp, +28%). Book your C4 in at our Burnley workshop on 01282 779 000, or find a local dealer.
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View FAQs| Generation | Years | Engines | Power gain | Largest gain |
|---|---|---|---|---|
| C4 Aircross | 2013–2017 | 1 | +19% | +22 bhp (+19%) 1.6 HDi |
| C4 Cactus | 2014–present | 3 | +18% to +32% | +32 bhp (+32%) Hdi 1.6 |
| C4 MK1 | 2004–2010 | 12 | +6% to +28% | +32 bhp (+26%) Hdi 1.6 |
| C4 MK2 | 2004–2018 | 10 | +7% to +28% | +44 bhp (+28%) 1.6 Turbo |
| C4 Picasso | 2008–2013 | 7 | +19% to +28% | +44 bhp (+28%) 1.6 Turbo |
| Citroen C4 Aircross | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.6 HDi 114 BHP 2013-2017 | 114 | 136 (+19%) | 270 | 325 (+20%) |
| Citroen C4 Cactus | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.2 110 BHP 2014 - Present | 110 | 130 (+18%) | 205 | 250 (+21%) |
| Hdi 1.6 100 BHP 2014 - Present | 100 | 132 (+32%) | 245 | 297 (+21%) |
| Hdi 1.6 118 BHP 2014 - Present | 115 | 140 (+21%) | 270 | 325 (+20%) |
| Citroen C4 MK1 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.4 74 BHP 2004-2010 | 73 | 83 (+13%) | 118 | 132 (+11%) |
| 1.4 88 BHP 2004-2010 | 88 | 101 (+14%) | 133 | 150 (+12%) |
| 1.6 107 BHP 2004-2010 | 107 | 115 (+7%) | 147 | 163 (+10%) |
| 1.6 118 BHP 2007-2010 | 118 | 127 (+7%) | 160 | 175 (+9%) |
| Hdi 1.6 90 BHP 2004-2010 | 90 | 110 (+22%) | 215 | 245 (+13%) |
| Hdi 1.6 109 BHP 2004-2010 | 109 | 137 (+25%) | 240 | 290 (+20%) |
| 2.0 140 BHP 2004-2010 | 140 | 152 (+8%) | 200 | 216 (+8%) |
| 2.0 123 BHP 2004-2010 | 123 | 133 (+8%) | 200 | 212 (+6%) |
| Hdi 2.0 136 BHP 2004-2010 | 136 | 164 (+20%) | 320 | 380 (+18%) |
| Hdi 1.6 120 BHP 2004-2010 | 120 | 152 (+26%) | 300 | 346 (+15%) |
| Hdi 1.6 118 BHP 2004-2010 | 100 | 128 (+28%) | 230 | 276 (+20%) |
| 2.0 VTS 174 BHP 2004-2010 | 174 | 186 (+6%) | 202 | 217 (+7%) |
| Citroen C4 MK2 | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 1.2 110 BHP 2011-2018 | 110 | 130 (+18%) | 205 | 250 (+21%) |
| 1.6 111 BHP 2004-2010 | 111 | 119 (+7%) | 147 | 163 (+10%) |
| 1.6 HDi 114 BHP 2011-2018 | 114 | 136 (+19%) | 270 | 325 (+20%) |
| Hdi 1.6 90 BHP 2011-2018 | 90 | 110 (+22%) | 215 | 245 (+13%) |
| Hdi 1.6 109 BHP 2011-2018 | 109 | 137 (+25%) | 240 | 290 (+20%) |
| Hdi 1.6 118 BHP 2011-2018 | 118 | 146 (+23%) | 230 | 276 (+20%) |
| 1.6 THP 161 BHP 2011-2018 | 161 | 187 (+16%) | 240 | 288 (+20%) |
| 1.6 Turbo 155 BHP 2011-2018 | 155 | 199 (+28%) | 240 | 295 (+22%) |
| 1.6 VTi 118 BHP 2011-2018 | 118 | 130 (+10%) | 160 | 175 (+9%) |
| 2.0 HDi 150 BHP 2011-2018 | 150 | 182 (+21%) | 340 | 400 (+17%) |
| Citroen C4 Picasso | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| Hdi 1.6 90 BHP 2008-2013 | 90 | 110 (+22%) | 215 | 245 (+13%) |
| Hdi 1.6 109 BHP 2008-2013 | 109 | 137 (+25%) | 240 | 290 (+20%) |
| 1.6 HDi 114 BHP 2008-2013 | 114 | 136 (+19%) | 270 | 325 (+20%) |
| Hdi 1.6 118 BHP 2008-2013 | 118 | 146 (+23%) | 230 | 276 (+20%) |
| 1.6 Turbo 155 BHP 2008-2013 | 155 | 199 (+28%) | 240 | 295 (+22%) |
| 2.0 HDi 150 BHP 2008-2013 | 150 | 182 (+21%) | 340 | 400 (+17%) |
| 2.0 HDI 136 BHP 2008-2013 | 136 | 164 (+20%) | 320 | 380 (+18%) |
Frequently asked questions
How much power does a remap add to a Citroen C4?
Petrol engines gain +6% to +28% power and diesels +19% to +32%. The full figures for each engine are in the tables above.
How much extra torque does a remap give a Citroen C4?
Torque gains range from +6% to +22%, an extra 12 to 60 Nm depending on the engine.
Which C4 engine gains the most from a remap?
The C4 MK2 1.6 Turbo gains the most: 155 to 199 bhp (+44 bhp, +28%). Torque rises from 240 to 295 Nm (+22%).
Which C4 generations do you have remap figures for?
We have figures for five generations: the C4 Aircross (2013–2017), C4 Cactus (2014–present), C4 MK1 (2004–2010), C4 MK2 (2004–2018) and C4 Picasso (2008–2013).
Where can I get my C4 remapped?
Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.
How we develop your remap
Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.
Related:Petrol ECU tuning · Diesel ECU tuning · All Citroen remaps · Citroen C2 · Citroen C3 · Citroen C5 · Citroen C6
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