Locked out at 11pm near Heathrow. They were with me in 25 minutes, no damage, cheaper than the dealer quoted. Genuine lifesavers.
James M.
Hounslow · Emergency Unlock
A4 · S4 · RS4 · B8 · B8.5 · B9 · TDI · TFSI ///
Stage 1 Audi A4 Remap. From £279.
Custom Stage 1 A4 / S4 / RS4 tune. 2.0 TDI, 3.0 TFSI, 2.9 TFSI biturbo. Mobile across West London.
30-min response
West London
Fully insured
Public & PI
Non-destructive
Industry standard
Dealer-level kit
AutoTuner · Autel
Fixed quotes
Before we attend
Instant Tailored Quote
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Custom-written maps · Lifetime software warranty · Dyno-verified figures
No spam · No obligation · Fixed pricing confirmed before we attend
Professional. Mobile. Trusted.
The A4 platform spans B8, B8.5 and B9 — every variant tunes brilliantly. 2.0 TDI 190 hits 235 bhp; S4 B9 3.0 TFSI hits 440 bhp; RS4 B9 2.9 TFSI biturbo hits 540 bhp on stock hardware. Paired ZF 8HP / S-tronic torque-safe mapping included. Mobile across West London, Slough, Heathrow.
- A4 B8 / B8.5 2.0 TDI 143 / 170 / 177
- A4 B9 2.0 TDI 150 / 190
- A4 B9 2.0 TFSI 190 / 252
- A4 / A5 3.0 TDI 218 / 245 / 286
- S4 / S5 B8.5 3.0 TFSI — 333 → 410 bhp
- S4 / S5 B9 3.0 TFSI — 354 → 440 bhp
- RS4 / RS5 B9 2.9 TFSI — 450 → 540 bhp
- Paired ZF 8HP / S-tronic TCU file
- 12-month software warranty · free revert
- Mobile · same day
Payment Assist · Official Partner
Spread the Cost with Payment Assist
On selected services over £250, you can split the total into 3 or 4 monthly payments with 0% APR available. A small deposit is paid on the day, then the remaining balance is collected in equal monthly instalments. No long forms, no waiting — applied on site before work begins.
- 0% APR available on selected services
- 3 or 4 equal monthly payments
- Deposit paid on the day
- Soft credit check — no impact at quote stage
- Decision in minutes, on site
- Available on jobs over £250
Finance subject to status and approval and provided by Payment Assist Ltd, authorised and regulated by the Financial Conduct Authority. 0% APR available on selected services. Terms, eligibility and final monthly figure confirmed at application. StageMyCar UK is an introducer appointed representative — we do not charge a fee for this service.
Example · Illustrative
£480 ECU Remap · 0% APR
3 payments
£120/mo
£120 deposit
4 payments
£96/mo
£96 deposit
Authorised & regulated by the FCA
Decision in minutes — apply on site
Subject to status & approval
Indicative example only. Final terms confirmed at application.
Frequently Asked Questions
How much is an Audi A4 Stage 1 remap?+
2.0 TDI: £279. 2.0 TFSI: £299. 3.0 TDI: £349. S4 / S5: £349. RS4 / RS5 B9: £499.
A4 B9 2.0 TDI 190 gains?+
190 → 235 bhp, 295 → 370 ft-lb. +3-6 mpg cruise.
S4 / S5 B9 3.0 TFSI gains?+
354 → 440 bhp, 369 → 480 ft-lb on stock turbo.
RS4 / RS5 B9 2.9 TFSI gains?+
450 → 540 bhp, 442 → 540 ft-lb. Stage 2 with downpipes gets to 600+ bhp.
Warranty & insurance?+
12-month software warranty, free revert, written spec for insurer.
★ 5.0 / 5 · 36 Google reviews
Trusted by drivers across West London
Related Services
StageMyCar UK is a mobile auto locksmith and ECU specialist serving West London, the M4 corridor, Heathrow, Slough, Reading and surrounding areas. Fixed-price quotes, DBS-checked engineers, fully insured, 7 days a week. Call 07312 826380 for an instant quote.