Audi S4 remapping
Typical Stage 1 figures for all 5 S4 engines, from 328bhp to 349bhp stock, with Stage 2 shown where the engine suits it.
S4 remapAudi S4 remapping, coding and retrofits in Stoke‑on‑Trent
We hold 5 Audi S4 engines across 3 generations, 2004 to 2024. 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 S4 at our unit in Fenton, Stoke-on-Trent. We hold 5 S4 engines across 3 generations, 2004 to 2024. Stage 1 is £249 and Stage 2 is £349. Pick your engine below, or message us with your reg for the exact figure.
Choose your S4
Generation
Remap
Typical Stage 1: 375 to 400bhp, from 336bhp stock
S4 3.0 TDI 341hp remapDPF regeneration
The 3.0 TDI 341hp has a DPF: a forced regeneration clears a blocked filter and keeps it in place
S4 3.0 TDI 341hp DPF regenerationDPF delete
No more blocked filter or DPF light, from £249
S4 3.0 TDI 341hp DPF deleteEGR delete
No more clogged or sticking EGR valve, from £249
S4 3.0 TDI 341hp EGR deleteAdBlue delete
The 3.0 TDI 341hp carries AdBlue (SCR): no more AdBlue faults, from £249
S4 3.0 TDI 341hp AdBlue deleteApple CarPlay and Android Auto
Supplied and fitted from £400
S4 CarPlayDiagnostics and coding
Dealer-level diagnostics, coding, adaptations and service resets for the S4
Diagnostics and codingPops and bangs and limiter removal
Written into your S4 remap: pops and bangs £80 extra, limiter removal on request
S4 3.0 TDI 341hp remap
What we can do for your S4
Audi S4 DPF regeneration
2 of the S4 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.
S4 DPF regenerationAudi S4 DPF delete
DPF delete for the 2 diesel S4 engines, from £249: no more blocked filter, regeneration cycles or DPF warning lights.
S4 DPF deleteAudi S4 EGR delete
EGR delete for the diesel S4, from £249: no more clogged or sticking EGR valve and less soot in the intake.
S4 EGR deleteAudi S4 AdBlue delete
2 of the diesel S4 engines carry AdBlue (SCR). AdBlue delete from £249: no AdBlue to top up and no SCR faults.
S4 AdBlue deleteAudi S4 Apple CarPlay and Android Auto
B8 (2009 to 2015), 8E (2004 to 2008): built before Audi offered Apple CarPlay or Android Auto from the factory. We supply and fit both from £400.
S4 CarPlayAudi S4 diagnostics and coding
Dealer-level diagnostics for the S4: 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 codingAudi S4 pops and bangs and limiter removal
Pops and bangs and limiter removal are added to the S4 remap software. Pops and bangs are £80 on top of the remap price; message us about limiter removal for your engine.
S4 remapAudi S4 FAQ
Audi S4 questions
5 engines across 3 generations, 2004 to 2024, 2 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.