ECM / TCM Unlocking
Full controller unlock to enable deep calibration access. Whether it's an engine control module or transmission control module, we crack it open so nothing is off-limits.
Foundation Service
Backwood Classics Presents
BWC TUNERS
Precision ECM & TCM calibrations for gas & diesel vehicles.
Driveability. Efficiency. Performance.
ECM / TCM Unlock
Custom Calibrations
Gas & Diesel
Racing Applications
Locked ECM?
We crack it open, same day.
Canned Tune?
We build yours from scratch.
No Idea What They Did?
We show you the screen.
Tuning Services
Every calibration is built from scratch — no cookie-cutter maps, no guesswork.
Custom Calibrations
Fully custom maps tuned for your specific build. Optimized for best driveability, real-world fuel efficiency, and daily comfort — or full-send race performance.
- Driveability-first approach
- Fuel economy optimization
- Power & torque targets
Gas & Diesel Platforms
Whether you're rolling coal or running high-octane, we work across both fuel platforms. Trucks, cars, performance builds — if it has an ECM, we can tune it.
- Gasoline platforms
- Diesel platforms
- Flex fuel support
Base Tunes
Starting a build from scratch? A solid base tune is the foundation everything else is built on. Clean, safe, and dialed in for your hardware and fuel.
Everything We Do, At a Glance
- Diesel Performance Tuning
- Gas Performance Tuning
- ECM / TCM Access & Unlocking
- Factory Module Programming
- GM Transmission Rebuilds
- Rear-End Builds
- Engine Swaps
- Engine Rebuilds
The BWC Difference
We show you the screen.
We show you the screen.
You watch it happen.
Most tuners close the laptop lid and ask you to wait outside. We turn the monitor to face you, talk through every change as we make it, and answer whatever you ask — mid-edit, if that's when the question hits. It's your vehicle. You should see exactly what's happening to it.
Others hide their knowledge like it's sacred magic. We explain it to you, because it's not magic — it's understanding what engines do.
It's the difference customers notice most: after two other shops gave one owner attitude and a canned file, we turned the screen around and walked him through it instead. He hasn't gone anywhere else since.
- No hidden edits
- Ask anything, mid-session
- Leave understanding your own tune
We Probably Already Know Why You're Here
Tap or hover a card — sometimes all four hit a little too close to home.
Locked ECM?
The Fix
We crack it open — same day, in most cases. It's your hardware; you shouldn't need someone else's permission to touch it.
Feels Like a Copy-Paste Tune?
The Fix
We build yours from scratch, for your exact setup — never a file that's been resold to a hundred other trucks with your name slapped on it.
Shop Won't Show You Anything?
The Fix
We turn the screen around. Ask questions mid-edit — we'll answer them mid-edit, not after you've already paid and left.
Charged Just to Hear What's Wrong?
The Fix
Diagnostics are free, always. We tell you what the computer's actually seeing, fix it, and pick tuning back up — no nickel-and-diming for having a problem.
There's a better way to do this — and it starts with what happens the moment you walk in.
Three Steps. No Guesswork.
Tell Us About Your Build
Free evaluation — tell us the vehicle, the mods, and what you're trying to fix or achieve.
Watch It Happen
The screen faces you the whole session. Ask questions in real time — nothing happens out of sight.
Drive Away Dialed In
A custom tune built for exactly what's on your vehicle — and a clear idea of what changed and why.
Current & Previous Work
Real builds. Real results. No stock photos. Browse the full build archive →
Duramax LML – Full Tune + EGR Delete
LS Swap Build – Base Tune
Cummins 6.7 – ECM Unlock + Custom Maps
6.0 Powerstroke – EGR + CAT Delete
LS3 Road Course Build – Race Tune
Silverado 6.2 – Driveability Tune
See All Our Work
Want to see your build here? Schedule a tune and join the roster.
What Customers Say
"Night and day difference after the custom tune. Pulls hard in every gear and my fuel economy actually went up. BWC knows their stuff — wouldn't trust anyone else with my truck."
"Had a gnarly idle and throttle response issue after my swap. One session with BWC and it drives like a completely different car. Clean tune, great communication throughout."
"ECM unlock + full custom diesel tune. Truck rips now. No CEL, pulls strong all the way to the top. These guys are legit — definitely coming back for my wife's car."
"Went to two other shops first and got attitude and a canned tune both times. BWC actually showed me what they were doing on the laptop and explained why. Never going anywhere else again."
"Came in for a driveability tune — couldn't stand how the factory transmission shifted. They dialed in the TCM and it's smooth as butter now. Small investment, huge difference."
"Super professional, explained everything before starting. My F-150 has noticeably better throttle response and gets better highway mileage. 10/10 experience from start to finish."
Schedule Your Tune
Fill out the form below or reach us directly — we'll get back to you fast.