Bob's Mechanical Repairs is Perthshire's trusted ECU remapping specialist, centrally located in Birnam on the main A9 corridor. We provide professional engine tuning for cars, vans and campervans to customers across the whole of Perthshire and beyond. Perthshire is a county of incredible variety — from the bustling streets of Perth to the remote glens of Highland Perthshire. The roads here demand vehicles that perform well in every condition, from tight village streets to sweeping A-road bends and steep mountain passes. ECU remapping tailors your engine's performance to these exact conditions, delivering more power, better fuel economy and a more enjoyable driving experience. Our remapping service uses the latest OBD and BDM tuning technology to safely optimise your vehicle's Engine Control Unit. We work on all makes and models, from small city cars to heavy-duty 4x4s and working vans. Every remap is custom-written for your specific vehicle — we never use off-the-shelf files. As an established, independent garage backed by Bob's 32 years on the tools, we understand the needs of Perthshire motorists. Many of our customers are farmers, estate workers, tradespeople and tourism operators who rely on their vehicles daily. We provide tuning solutions that deliver real-world benefits in the conditions you actually drive in.
Bob's Mechanical Repairs is Perthshire's trusted ECU remapping specialist, centrally located in Birnam on the main A9 corridor. We provide professional engine tuning for cars, vans and campervans to customers across the whole of Perthshire and beyond.
Perthshire is a county of incredible variety — from the bustling streets of Perth to the remote glens of Highland Perthshire. The roads here demand vehicles that perform well in every condition, from tight village streets to sweeping A-road bends and steep mountain passes. ECU remapping tailors your engine's performance to these exact conditions, delivering more power, better fuel economy and a more enjoyable driving experience.
Our remapping service uses the latest OBD and BDM tuning technology to safely optimise your vehicle's Engine Control Unit. We work on all makes and models, from small city cars to heavy-duty 4x4s and working vans. Every remap is custom-written for your specific vehicle — we never use off-the-shelf files.
As an established, independent garage backed by Bob's 32 years on the tools, we understand the needs of Perthshire motorists. Many of our customers are farmers, estate workers, tradespeople and tourism operators who rely on their vehicles daily. We provide tuning solutions that deliver real-world benefits in the conditions you actually drive in.
Driving and remapping around Perthshire
Perthshire's road network is wonderfully diverse but challenging. The A9 spine provides fast north-south connectivity, but much of the county is served by single-carriageway A-roads, B-roads and single-track lanes with passing places.
For drivers regularly navigating routes like the A827 to Aberfeldy, the A93 through Glen Shee, or the A822 through the Sma' Glen, the improved torque from an ECU remap is genuinely transformative. These roads feature continuous elevation changes, tight corners and limited overtaking opportunities. With a remapped engine, you have the power to make confident, safe overtakes when opportunities arise and the low-end torque to climb gradients without losing momentum.
Agricultural vehicles, forestry traffic and tourist coaches are a fact of life on Perthshire roads. Being stuck behind slow-moving traffic is frustrating, but more importantly, extended periods in the wrong gear waste fuel. A remap optimises your engine across the rev range, so even when you're forced to drive at lower speeds, the engine operates more efficiently.
Winter driving in Perthshire brings its own challenges — ice, snow and reduced visibility. The smoother power delivery from a quality remap actually helps with traction in slippery conditions, as power is delivered more progressively rather than in sudden bursts.
Campervan and motorhome remapping for Perthshire owners
Perthshire is one of Scotland's most popular campervan destinations. From riverside pitches at Dunkeld to wild camping spots in Glen Lyon, the county offers incredible touring opportunities. But Perthshire's terrain is demanding — steep climbs, narrow roads and varying surfaces mean your campervan's engine works hard.
We remap campervans from across Perthshire, tailoring the tune to suit the type of driving you do. For touring campervans that spend most of their time on A-roads and motorways, we focus on cruise efficiency and overtaking performance. For campervans used for wilder adventures on rural roads, we optimise low-end torque for hill climbing and loaded performance.
The most popular campervans we remap in Perthshire are the VW Transporter T5 and T6 (2.0 TDI), the Fiat Ducato (2.3 Multijet), and the Ford Transit Custom. All of these vehicles respond exceptionally well to remapping, with typical power gains of 25–40% and torque improvements of 30–50%.
Why Perthshire drivers use Bob's for a remap
Being based right in the heart of Perthshire means we understand local driving conditions intimately. We drive these roads every day and we tune vehicles specifically for the demands of Perthshire motoring. Our remaps aren't generic — they're calibrated with an understanding of the hills, the road surfaces and the driving conditions you'll encounter.
We're a fully equipped workshop, not a mobile operator. This means we can carry out full health checks before remapping, diagnose any existing issues, and ensure your vehicle is in optimal condition before we optimise the ECU. It's this attention to detail that sets us apart.
Getting to the workshop from Perthshire (centrally located, about varies)
Bob's Mechanical Repairs is centrally located in Birnam on the A9 corridor, making us easily accessible from anywhere in Perthshire. Whether you're coming from Blairgowrie, Aberfeldy, Crieff, Pitlochry or Bankfoot, we're never more than 30 minutes away.
Common questions
Where exactly are you in Perthshire? We're in Birnam, right on the A9 between Perth and Pitlochry. We're accessible from anywhere in Perthshire within 30 minutes.
Do you remap agricultural vehicles? We remap most diesel vehicles including some agricultural and plant machinery. Please call to discuss your specific vehicle.
Can I wait while the remap is done? Yes, we have a comfortable waiting area. A standard remap takes 1–2 hours.
Do you offer economy-focused remaps? Absolutely. We offer performance, economy and balanced remap options depending on your priorities.
Will a remap void my warranty? Aftermarket remapping may affect manufacturer warranties. We can discuss this in detail before proceeding.