Performance Meets Precision

Whether you’re looking for more power, better fuel economy, or a smoother drive, I offer tailored vehicle remapping and mobile tuning services across Chichester and the South Coast. With over 25 years of hands-on experience, We’ll help you get the most out of your car — honestly, reliably, and with a personal touch.

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Years of Experience

Hi I'm John from South Coast Mapping

I started South Coast Mapping because I wanted to bring big-garage expertise to local drivers. Seeing a client drive away with a huge grin never gets old!

When you call, you speak to me – not a call center. I stand by my work, every time.

Every remap I do here at South Coast Mapping is personal—I want you to love how your car drives as much as I love working on it.

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We Provide Best Car Services

Custom Remaps

Carbon Cleaning

Fault Diagnostics

Adblue Solutions

Our Commitment to Quality and Precision

Quality parts & Equipment

Only the best equipment and parts go into our work — for results you can see and feel.

Experience Matters

We've spent years perfecting our craft — that experience shows in every remap we carry out.

Satisfied Guarantee

We take real pride in the results — if you’re not completely happy, neither are we.

Let's see how we can help

Just enter your registration or vehicle details and you’ll instantly see what performance upgrades are available for your specific car or van. From increased power and torque to sharper throttle response, we’ll show you exactly how a custom remap can transform the way your vehicle drives.

Get Started