Home About Us Testimonials Blog Contact 02920 220 380 info@a1-diagnostics.com


Read our blog and everything mechanical under our garage roof


Welcome to our independent BMW garage blog. Here you will be able to read about all of the work we carry out under our independent BMW garage roof, we also write about all of the latest industry news relating to the BMW automotive industry. If you are a journalist working in the BMW automotive trade and want to write for us drop us an email and lets partner together.


1st January 2021

BMW Fault Codes



We are number 1 when it comes diagnosing BMW fault codes getting them repaired quickly and relibaly at the best prices →





1st February 2021

We repair / replace ABS brakes on BMW vehicles



We have over 15 years’ experience servicing brake’s on BMW vehicles. Whatever the issue is we can fix it. Whether you need new brake pads, brake servicing, or have an ABS fault on the brakes system we can ensure we get it repaired…read more →.





15th February 2021

We repair BMW ECU units at our BMW garage



We have over 15 years’ experience diagnosing and fixing faults on BMW ECU units. Whatever the issue is we can fix your ECU unit and ensure we get your back out on the road quickly and at the right prices…read more →





1st March 2021

We are specialists in gearbox repair



We have serviced hundreds if not thousands of BMW gearboxes in Cardiff from our garage workshop. We have 15 plus years of exeprience servicing BMW gearboxes of all BMW vehicles types…read more →.