Welcome to diagnostics.Wales

The Ultimate BMW Diagnostics Specialists
South Wales Leading Independent BMW & MINI Workshop
Experienced Electronics & Diagnostics Expert Technicians

BMW & MINI Fault Finding Diagnostics

If you've got a warning light or niggly problem, get in touch today,
we're the workshop to help you solve it
No Guesswork or "Try A Part" fault finding from us, Accurate Guided Test Plans only, Manufacturer Level Tooling, Former Dealer Staff, Wealth of Brand Specific Experience

If your car isn't the current model, you can't assume that the franchised dealers have trained their staff on your vehicle, and if the computer says no confusion sets in. At our workshop we keep up to date on all the models and have a wealth of knowledge and outside the box skills

Dynamometer Diagnostics

Rollng Road facilities for additional diagnostic capabilities and safer static load testing off road. Road simulation without having to use the roads! Dynamometer testing allows accurate pinpointing of fault circumstances. Bet your local workshop doesn't offer this.

ECU Testing & Electronics Laboratory

Our state of the art in house laboratory and electronics engineers means we can also test and repair ECUs, electronic components and modules.

Other Services

When it comes to BMW & Mini, we offer the complete independent workshop. From Servicing, MOT Testing, General Maintenances & Tyres through to Custom Upgrades, Tuning & Exhausts, we do it all in house.

Custom Exhausts

We're the only facility in South Wales to offer Custom Exhausts with a real tuning centre and rolling road. Other workshops can offer you a stainless exhaust or a off-the-shelf remap, we're offering you custom services specific to you and your car.


About Us

Find out more about us, particularly why you should choose us for your car!

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BMW Specialist

Proud to be a completely independent unaffiliated BMW specialist, brand focused experts.

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Mini Specialist

Proud to be a completely independent unaffiliated Mini specialist, brand focused experts.

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Advanced Diagnostics

Automotive Fault Finding at it's most accurate, no guesswork. Top of the range tooling & equipment combined with experienced qualified technicians.

Auto Electricians

Complete auto electrical services, wiring fault finding and repairs. Wiring Loom remanufacture and refurbishment. Master Level Auto Electricans.

Dynamometer Services

Dynamometer diagnosis services, rolling road power runs, rolling road custom tuning services, rolling road custom exhaust setup.

ECU Testing & Electronics

ECU Testing, ECU Repars, ECU Replacement, ECU Coding, ECU Software Modifications, ECU Remapping. In House laboratory and electronics technicians.

Emissions & Carbon

Emission failures and problems, exhaust leaks, CAT or DPF issues, Blockages or Collapse. Decarbonisation works, intake system decoking etc.

Servicing & Mechanical

All the usual servicing, MOT testing and mechanical repairs available too. We aim to be the best one stop shop for all your BMW or Mini needs!

Get In Touch

Contact Us