ECU Remapping Lymm

Car Remapping For
Lymm Drivers

Our rolling road is in Birchwood, Warrington, roughly 20 minutes from Lymm village outside rush hour. You join the M6 at junction 20 and come off again one junction north. Stage 1 custom dyno tuning costs from £449 and is normally a same-day job.

BMW owner? Our Warrington BMW tuning page has more →

See Your Car’s Gains & Price Book Your Remap

The Drive From Lymm

B5158, M6 Junction 20, Then Birchwood

From the middle of Lymm, follow the B5158 south to junction 20 and head north on the M6. Leave at junction 21, where the B5210 and then the A574 carry you into Birchwood. A few sat navs prefer junction 21A, then a single junction east on the M62 to junction 11.

Expect about 9 to 12 miles depending on the line you take, and around 20 minutes when the M6 is quiet. Neither way has a toll, Warrington has no clean air charge, and you can park outside our door at 20 Trinity Ct, Birchwood, Risley, Warrington WA3 6QT.

Around Lymm

Off-Peak Times From The Villages

Each starting point, its way onto the motorway, and the time to our unit on clear roads.

Appleton Thorn

B5356 to M6 J20

~20 min

Grappenhall

A50 to M6 J20

~20 min

Thelwall

A50 to M6 J20

~20 min

Statham

Lanes to M6 J20

~25 min

High Legh

A50 to M6 J20

~25 min

Heatley & Oughtrington

Warburton toll bridge to the A57

20 to 25 min

Rush-hour traffic on the M6 stretches these times. From Heatley and Oughtrington the shortest line crosses the Rixton and Warburton toll bridge onto the A57, while every other village in the list reaches us toll-free through junction 20. High Legh sits over the border in Cheshire East. Coming from further south or east? The Knutsford, Altrincham and Cheshire pages cover those roads, and car remapping near me has the wider list.

Your Appointment

How The Day Runs

A Stage 1 visit typically lasts 2 to 4 hours from start to finish.

Pick A Slot

Book online with a £50 deposit. Moving the date is free if you give us 48 hours or more.

Health Check

We look the car over before any software is changed, then log its standard power and torque on the rollers.

Calibration

The map is written for your engine and refined under full load, with air-fuel ratio, boost and temperatures logged live.

Final Runs

Closing runs and a data-logged road drive confirm the result. The before and after printout is yours to keep.

Stay in the lounge, which has free Wi-Fi, free drinks and Netflix, or hand over the keys and spend the time in Birchwood, where the shopping centre and railway station are a short hop from the unit. Saturday appointments are available.

Expected Stage 1 Figures

What These Engines Should Make

Figures from our own tuning data. Your car is measured on the day, and individual results vary.

BMW 740d (G11)

B57 · Stage 1 · £449

320 → 400 bhp

BMW M135i (F20, N55, 2013 to 2015)

N55 · Stage 1 · £599

320 → 390 bhp

Porsche Macan S (2013 to 2018)

3.0 V6 · Stage 1 · £799

340 → 400 bhp

Skoda Superb 2.0 TDI 190 (2015 on)

2.0 TDI · Stage 1 · £449

190 → 220 bhp

White BMW M135i F20 with its bonnet up on the 4WD rolling road at DC Remapping UK

Grey Porsche Macan S on the dyno rollers at DC Remapping UK

Three of these have been measured on our rollers. A 740d xDrive went from 312.7 to 399.1 bhp on Stage 1 alone. The M135i pictured rose from 321.5 to 401.7 bhp with Stage 1 and xHP stage 3, and a Macan S from 340.9 to 401.8 bhp with Stage 1 and PDK software. Each figure belongs to one car; the full set is on dyno results.

Services

Work We Do For Lymm Cars

Each tune is written in-house and checked on our rolling road.

Stage 1 & 2 Tuning

Your engine gets its own map, written here. Stage 2 is reserved for cars already wearing upgrades like a performance downpipe.

Learn more

DPF / EGR / AdBlue

Diagnosis and solutions for diesel emissions faults and warning lights.

Learn more

Dyno Power Runs

Three runs and a printout of what your car makes now: £150 on a 2WD car, £200 on a 4WD.

Learn more

Prices

What It Costs

Stage 1 custom dyno tuning is from £449, which is what the 740d and the Superb cost, along with most BMW and VAG engines. The M135i sits in the £599 band with the B58 engines and the F-chassis M2, M3 and M4, Porsche petrols such as the Macan S are £799 (Turbo models are £999), and the pricing page lists the rest.

Going to Stage 2 costs £150 over your car's Stage 1 price (£200 if it is one of the £999 cars), and the car needs the right hardware first. Automatic gearbox software is £325 for a DSG, S tronic or Porsche Macan PDK. BMW owners pay £325 for xHP on an E or F series car; a G series, an M car, a 2 Series Tourer or an X1 (F48) is £385. Booking engine and gearbox work for one visit takes £125 off the total.

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.

Google Reviews

Rated 4.9 From 269+ Reviews

★★★★★

“Great company! Very knowledgeable was a great experience highly recommended to anyone who wants the best out of their car!”

Kane Morgan

Google review

★★★★★

“Great service. Car is fantastic. No place I'd rather go to.”

Vaughan Collis

Google review

More are on our customer reviews page.

Lymm FAQs

Questions About Visiting From Lymm

How far is your workshop from Lymm?

About 9 to 12 miles, which is around 20 minutes off-peak. Take the B5158 to M6 junction 20, go north one junction to 21, then follow the B5210 and A574 into Birchwood. Carrying on to 21A and turning east onto the M62 for junction 11 works too.

Is there a toll between Lymm and Birchwood?

Not from the village centre, Thelwall, Grappenhall, Statham, High Legh or Appleton Thorn, which all use junction 20. The shortest way from Heatley and Oughtrington crosses the Rixton and Warburton toll bridge.

Will my car be ready the same day?

Usually. Most Stage 1 visits take 2 to 4 hours, so it is normally a same-day job. If an Audi or VW Group ECU is locked, the unlock is a separate charge: doing it here costs £449 on top of the tune with no extra time, while sending it away costs £399 on top of the tune and means the car stays for 3 to 4 working days. The ECU unlocking page has the details.

Can I book a Saturday?

Saturday appointments are available. The dyno takes one car at a time, so book online to hold your date, and you can rearrange free of charge with 48 hours' notice or more.

My BMW is a 2021 car. Can you still tune it?

Yes. A BMW or Audi built from around June 2020 to mid-2026 has its ECU locked at the factory. For a BMW, the unlock is done on our bench during your tuning appointment, costs £100 and doesn't make the visit any longer. Cars from either make built from June 2026 can't be tuned at present. Check your reg for free.

Does my insurer need to know?

Yes, a remap should be declared to your insurer. It is also possible that tuning could affect a manufacturer warranty, so check yours before you book.

Can I undo the remap later?

You can. The car can be put back to its factory software, and putting it back costs £200.

Before & After Figures

See exactly what your car will make

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 Lymm.

BMW 1-Series BMW 3-Series BMW 4-Series BMW 5-Series BMW X3 VW Golf VW Passat Audi A3 Audi A4 Audi A5

Check any other car ›

Car Remapping For
Lymm Drivers

B5158, M6 Junction 20, Then Birchwood