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Car Remapping Wilmslow
Our workshop is in Birchwood, Warrington, 20 to 24 miles from Wilmslow and about 35 minutes off-peak by the A538 and M56. We write each map ourselves on a 4WD rolling road. Stage 1 is £449 on most BMW and VAG engines, with published prices for B58, M and RS models.
Performance Models
Expected numbers taken from our calibration data, with the Stage 1 price for each engine. Individual cars vary.
One Macan S we tuned made 340.9 bhp and 486 Nm at baseline, then 401.8 bhp and 617 Nm after Stage 1 with PDK gearbox software, which is £325 on the Macan. That run is a single car, listed with the others under dyno results.
Pricing
Prices are set per engine and published in full.
Most BMW diesels, petrols such as the 330i and 435i, and most VAG cars are £449. The Golf R and Audi S3, S4 and S5 are £549.
B58 engines such as the M240i, and F-chassis M2, M3 and M4, are £599. S58 cars like the G80 M3 are £699. Porsche petrols (Turbo models excepted), and BMW’s 4.4 V8 M50i and M60i, are £799.
Audi RS models such as the RS5, the Formentor VZ5, Porsche Turbo models, and the BMW M850i are £999. The BMW M5, M6, M8, X5 M and X6 M are £1,499, with Stage 2 at £1,799.
Stage 2 is £150 more than the Stage 1 price for your engine, or £200 more on the £999 cars, and it relies on supporting parts, for example a sports downpipe. Porsche is on the list too, from £599 for the diesels. Look up your exact engine on Check My Car or the full price list.
A £50 deposit holds your slot and the rest is paid on the day by card or cash. 0% finance with Bumper is available. Paying in full online? Choose Klarna at checkout.
4WD Dyno
Our V-Tech rolling road couples its front and rear rollers mechanically, which lets xDrive, quattro and 4Motion cars run at full power safely.
While the map is refined we log air-fuel ratio, boost and temperatures on every pull. Dyno power runs without a tune are available too: three runs with a printout, £150 on 2WD or £200 on 4WD.
Getting Here
Off-peak estimates to Birchwood. The M56 and M60 both slow down at rush hour.
From the town centre, take the A538 to junction 6 of the M56 and go west to the M6 interchange at junction 9, then north towards Warrington. Exit at junction 21 for the B5210, or carry on to 21A and use the M62 for one junction. The other option runs up the A34 to M60 junction 3 and round the motorway to the M62. Neither route has a toll.
You will find us at 20 Trinity Ct, Birchwood, Risley, Warrington WA3 6QT; phone 01925 819002 before setting off if anything is unclear. Nearby pages cover Knutsford, Macclesfield and Stockport, and BMW drivers in Alderley Edge have their own Alderley Edge BMW page.
Services
Done with the car at our unit in Birchwood.
Custom Stage 1 maps for standard cars, and Stage 2 calibrations once a downpipe or other supporting parts are fitted.
Learn moreDiagnosis and solutions for diesel emissions faults and warning lights.
Learn moreZF8 software that raises torque limits and speeds up shifts. E and F series: £325. G series and M cars, plus the X1 (F48) and 2 Series Tourers: £385.
Learn moreFor VAG DSG and S tronic boxes our TCU tuning costs £325. Book it with your engine map and the pair costs £125 less.
Wilmslow FAQs
About 20 to 24 miles, around 35 minutes outside rush hour. Handforth and Styal are similar, Morley is nearer 30, and Alderley Edge and Dean Row are about 40.
Either works. The A538 and M56 is the main route from the town centre, and the A34 and M60 takes about the same time. Both end on the A574 into Birchwood.
We price by engine. A Golf R is £549, B58 engines and F-chassis M cars are £599, S58 cars such as the G80 M3 are £699, and Audi RS models £999.
Yes. Our dyno is 4WD linked, so all-wheel-drive cars, the Macan included, run with both axles driven at full load while the map is written.
Yes: BMW and Audi ECUs built from around June 2020 to mid-2026 are locked. The M3 is opened on our bench in the same appointment, adding £100 and no time. The RS5’s 2.9 V6 can be unlocked in-house for £449 on top of the tune, in the same appointment, or sent away for £399, in which case the car stays with us for 3 to 4 working days. Both Audi prices are on our ECU unlocking page. Cars from either brand built from June 2026 carry a newer lock, so we can’t tune them for now.
Yes. The car can be put back to factory software, and that is a £200 job.
Before & After Figures
Real before and after power and torque for every BMW and VAG engine we tune, measured on our in-house 4WD dyno, with prices, gearbox options and the delivery curve for each one before you drive over from Wilmslow.
Check Your Vehicle
Pick your make, model and engine for the expected Stage 1 and Stage 2 gains, your price, and book straight from the result.
Choose your make to begin.
Wilmslow · No Obligation
For an instant figure, use the selector above. For a written reply, send your registration and we will reply with predicted figures and a price.
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