Audi A8 ECU Remapping & Engine Tuning

We have remap figures for 21 Audi A8 engines across three generations. Petrol engines gain +4% to +35% power and diesels +10% to +33%. The largest bhp increase is on the A8 D4 3.0 TSFI: 286 to 387 bhp (+101 bhp, +35%). Two more engines are in development. Book your A8 in at our Burnley workshop on 01282 779 000, or find a local dealer.

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Audi A8 remap gains at a glance
Generation	Years	Engines	Power gain	Largest gain
A8 D2	1999–2002	4	+4% to +33%	+50 bhp (+33%) Tdi 2.5
A8 D3	2002–2009	5	+7% to +15%	+49 bhp (+15%) TDI 4.2
A8 D4	2010–2017	12	+10% to +35%	+101 bhp (+35%) 3.0 TSFI
A8 D5	2018–present	2	In Development	–

Audi A8 D2 remap figures
Audi A8 D2	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
Tdi 2.5 150 BHP 2000-2002	150	200 (+33%)	310	420 (+35%)
Tdi 2.5 180 BHP 2000-2002	180	200 (+11%)	370	420 (+13%)
3.7 V8 256 BHP 1999-2002	256	272 (+6%)	350	395 (+12%)
4.2 360 BHP 2000-2002	360	375 (+4%)	442	462 (+4%)

Audi A8 D3 remap figures
Audi A8 D3	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
4.2 340 BHP 2002-2009	340	370 (+8%)	430	465 (+8%)
4.2 V8 32V FSI 350 BHP 2002-2009	350	375 (+7%)	430	456 (+6%)
TDI 3.0 233 BHP 2002-2009	233	260 (+11%)	450	565 (+25%)
TDI 4.2 326 BHP 2002-2009	326	375 (+15%)	650	770 (+18%)
Tdi 4.2 350 (BHP 2002-2009	350	395 (+12%)	650	755 (+16%)

Audi A8 D4 remap figures
Audi A8 D4	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
TDI 4.2 V8 345 BHP 2010-2017	345	385 (+11%)	590	660 (+11%)
3.0 TSFI 286 BHP 2010-2017	286	387 (+35%)	420	502 (+19%)
3.0 TSFI 306 BHP 2010-2017	306	378 (+23%)	440	525 (+19%)
3.0 TSFI 329 BHP 2010-2017	329	387 (+17%)	440	498 (+13%)
4.0 414 TFSI BHP 2010-2017	414	504 (+21%)	600	182 (+-69%)
4.2 TDI 380 BHP 2010-2017	380	419 (+10%)	850	936 (+10%)
3.0 TDI 201 BHP 2010-2017	201	252 (+25%)	400	519 (+29%)
3.0 TDI 236 BHP 2010-2017	236	280 (+18%)	450	541 (+20%)
3.0 TDI 247 BHP 2010-2017	247	284 (+14%)	550	681 (+23%)
3.0 TDI 255 BHP 2010-2017	255	294 (+15%)	580	684 (+17%)
4.2 TDI 346 BHP 2010-2017	346	388 (+12%)	800	910 (+13%)
6.3 W12 495 BHP 2010-2017	495	550 (+11%)	625	675 (+8%)

Audi A8 D5 remap figures
Audi A8 D5	Original BHP	Remapped BHP	Original Torque (Nm)	Remapped Torque (Nm)
3.0 BITDI 282 BHP 2018-Present	In Development
55 3.0 TFSI 335 BHP 2018-Present	In Development

Frequently asked questions

How much power does a remap add to an Audi A8?

Petrol engines gain +4% to +35% power and diesels +10% to +33%. The full figures for each engine are in the tables above.

Which A8 engine gains the most from a remap?

The A8 D4 3.0 TSFI gains the most: 286 to 387 bhp (+101 bhp, +35%). Torque rises from 420 to 502 Nm (+19%).

Which A8 generations do you have remap figures for?

We have figures for three generations: the A8 D2 (1999–2002), A8 D3 (2002–2009) and A8 D4 (2010–2017). Remaps for the A8 D5 are still in development.

Are remaps available for every A8 engine?

Not yet. Two of the 23 engines listed above are still in development. Call our Burnley workshop on 01282 779 000 for an update.

Where can I get my A8 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.