Audi A4 remapping, coding and retrofits in Stoke‑on‑Trent

We hold 63 Audi A4 engines across 4 generations, 2000 on. Pick yours below: the 3.0 TFSI 354hp has the biggest typical Stage 1 gain, 349bhp stock to around 395 to 420bhp.

VEXEN remaps, diagnoses and codes the Audi A4 at our unit in Fenton, Stoke-on-Trent. We hold 63 A4 engines across 4 generations, 2000 on. Stage 1 is £249 and Stage 2 is £349. Pick your engine below, or message us with your reg for the exact figure.

Audi A4

Choose your A4

Generation

What we can do for your A4

Audi A4 remapping

Typical Stage 1 figures for all 63 A4 engines, from 101bhp to 349bhp stock, with Stage 2 shown where the engine suits it.

A4 remap

Audi A4 DPF regeneration

30 of the A4 engines on file are diesel, each with a diesel particulate filter. A forced regeneration clears the soot from a blocked filter and keeps it in place.

A4 DPF regeneration

Audi A4 DPF delete

DPF delete for the 30 diesel A4 engines, from £249: no more blocked filter, regeneration cycles or DPF warning lights.

A4 DPF delete

Audi A4 EGR delete

EGR delete for the diesel A4, from £249: no more clogged or sticking EGR valve and less soot in the intake.

A4 EGR delete

Audi A4 AdBlue delete

13 of the diesel A4 engines carry AdBlue (SCR). AdBlue delete from £249: no AdBlue to top up and no SCR faults.

A4 AdBlue delete

Audi A4 Apple CarPlay and Android Auto

B9 (2015 on), B8 (2007 to 2014), B7 (2004 to 2006), B6 (2000 to 2003): built before Audi offered Apple CarPlay or Android Auto from the factory. We supply and fit both from £400.

A4 CarPlay

Audi A4 diagnostics and coding

Dealer-level diagnostics for the A4: full module scanning, fault investigation, live data, adaptations, service resets and vehicle configuration. We find out why a warning light is on, not just clear it.

Diagnostics and coding

Audi A4 pops and bangs and limiter removal

Pops and bangs and limiter removal are added to the A4 remap software. Pops and bangs are £80 on top of the remap price; message us about limiter removal for your engine.

A4 remap
Audi A4 FAQ

Audi A4 questions

63 engines across 4 generations, 2000 on, 30 of them diesel. Pick yours on this page for the typical Stage 1 and Stage 2 gains.

Stage 1 is £249 and Stage 2 is £349. Pops and bangs are an extra £80, and Stage 1 with AdBlue or DPF/EGR work at the same time is £349.

At our unit: Unit 15 Fenpark Industrial Estate, Fenton, Stoke-on-Trent ST4 3JP. Open Mon to Fri 9am to 6pm and Saturday 10am to 5pm.

Still have a question? Message us with your reg and what you would like done.

07927 860502