What are the opening hours?

Monday 7am - 6pm Tuesday 7am - 6pm Wednesday 7am - 6pm Thursday 7am - 6pm Friday 7am - 6pm Saturday 7am - 6pm Sunday 7am - 6pm

MAC Tuning

Specialist ECU tuning and remapping company based in Hertfordshire. Contact us for more info!

14/08/2026

🔓 NEW AUTOTUNER BMW & MINI 2020+ BOSCH MDG1 UNLOCK!

✅ No more sending ECUs away.
✅ No opening the ECU.
✅ No waiting days for it to come back.

With the latest AutoTuner BENCH Read/Write solution, we can now unlock and tune a range of Bosch MDG1 DDE8/DME8 ECUs in-house. This is huge news for all those waiting for an unlock solution.

⚡ ECU stays sealed
📦 No postal delays
📈 Unlock + custom tune completed in under 2 hours
🇩🇪 Available for a range of newer BMW & MINI models

Supported ECUs include:
MD1CP032 | MD1CS001 | MG1CS024 | MG1CS049 | MG1CS201

Book in, get it unlocked, tuned and drive away the same day.

📍 Mac Tuning Hertfordshire
📩 DM us for availability & pricing

06/08/2026

It’s been a mega busy summer for us so far! These are just some of the cars we’ve had in through our doors for a whole variety of work.

From Stage 1 & 2 tuning, gearbox maps, DTC & Adblue solutions as well as servicing to keep maintenance a priority 👌🏼

We have limited spaces available for the rest of this month. To keep on top of demand we’re staying open into the evenings, so if you’ve been meaning to get booked in, now’s a good time.

📍Hertfordshire
🔧 ECU & TCU Tuning
⚙️ Performance Upgrades
📩 Drop us a message to book.

22/06/2026

Full track prep now complete for this Fiesta ST and ready for its Ring trip this week 🇩🇪

Pro Alloy Motorsport Intercooler
Induction Technology Group Induction kit
NGK Spark Plugs Spark Plugs
EBC Brakes UK BlueStuff Pads & Discs
COOLERWORX | Short Shifter
Whiteline Performance Rear Anti Roll bar
Millers Oils Ltd Motorsport Oil 0W-30
Motul Motion 700 Brake Fluid
HEL Performance | Official Braided Brake Lines
Upgraded Stud & Nut Kit

Huge range of upgrades fitted and now sitting on Nankang Motorsport Tyres with an optimised geo setup we can’t wait to see what this does on track 🙌🏼

If you’re interested in track focussed preparation for your car then just drop us a message!

21/06/2026

Audi S3 8Y in with us for our Stage 1 Performance Tuning! 📈

These have become ever more popular to tune since ecu unlocking was made available. With our performance software pushing these up to approx 380bhp and 500nm it’s a massive improvement over the stock power output and drivability!

Drop us a message to discuss yours! 🔥
- Klarna ✅
- Clearpay ✅
For all enquiries:

📞 01707502665
💻 www.mac-tuning.co.uk
📧 [email protected]

15/05/2026

Stunning BMW 335i in with us for our full stage 1 and gearbox tuning package!

Power output now sitting at 370bhp and 500nm, a huge improvement over the factory stock software 📈

Drop us a message to discuss yours! 🔥
- Klarna ✅
- Clearpay ✅

For all enquiries:

📞 01707502665
💻 www.mac-tuning.co.uk
📧 [email protected]

̇es

29/04/2026

Ford Mustang 🐎 In with us for a stage 1 performance tune, unlocking a sharper, more responsive drive while keeping everything smooth and usable for daily road use.

The 2.3L variants respond really well to tuning, with strong gains available through adjustment of boost control, ignition timing, torque limits and throttle response — all while keeping the power delivery progressive and of course reliable!

Drop us a message to discuss yours! 🔥
- Klarna ✅
- Clearpay ✅

For all enquiries:

📞 01707502665
💻 www.mac-tuning.co.uk
📧 [email protected]

Address

Mac Tuning, Church Farm, Stevenage
Ardeley
SG27AH

Opening Hours

Monday	7am - 6pm
Tuesday	7am - 6pm
Wednesday	7am - 6pm
Thursday	7am - 6pm
Friday	7am - 6pm
Saturday	7am - 6pm
Sunday	7am - 6pm

Website

http://www.mac-tuning.co.uk/

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