Car Diagnostics | Book a Car Diagnostic for your BMW

£168.47

Average price for this repair for your Bmw in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car diagnostic?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do a vehicle diagnostic check on your driveway, so you don't even need to leave the house.

When it comes to diagnosing issues with your vehicle, our friendly expert mechanics are here to help. We use state-of-the-art diagnostic equipment to accurately identify any problems, ensuring your vehicle runs smoothly and safely. The price includes the diagnostic service – no hidden costs. Just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your BMW

We’ll come to you at home or work

RAC Mobile Mechanic for your BMW

At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

A customer tending to her garage with an RAC Mobile Mechanic in the background

Book a car diagnostic

Our mobile mechanics will spend up to 30 minutes checking your car for faults and talk you through any repairs you might need and give you a report for your records. There are various ways we can check for faults, which could include plugging in to check your car’s onboard engine management system.

OEM quality parts

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.

Mechanics you can trust

Our mobile mechanics are friendly, honest, and backed by the RAC.

Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Book a repair

It’s easy to book a car repair online. We bring the garage to you with RAC Mobile Mechanics, or find a trusted local garage. Common repair jobs include:

Clutch Replacement

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.

Alternator repair

We check and correct alternator faults to keep your charging system running smoothly.

Oil change

Oil is vital to a healthy engine, so it’s important to change it regularly.

Brake pads & Discs

If your brakes are making noise or you’re noticing reduced stopping power, it’s likely time to replace your brake pads or discs.

And it’s not just car diagnostics that we do for your BMW

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

View all garages

Vagtec Motors

5.0/5

Your premier garage in West Bromwich for MOT Testing, Servicing, Repairs and Tyres, specialising in German Cars but welcoming all. Located just off Tunnel Road we provide quality MOT and tyres services to West Bromwich, Dudley, Walsall and the surrounding areas. Here in West Bromwich we pride ourselves on providing exceptional MOT testing as well as tyres and fitting, our vast expertise and experience mean you can leave your vehicle with us knowing you are in expert hands. Our fully qualified MOT mechanics can test class 4 vehicles (Car MOT).

Vagtec Motors, Tunnel Road, West Bromwich, B700RD

LMC Auto Services Ltd

4.0/5

Our owner Lee Cripps set up LMC Auto Services in 2001 with just £150 and a Ford Escort van, and we have been serving customers in Pulborough and the wider community ever since! The business grew quickly and the garage opened in 2005. We now have a team of six dedicated, loyal and highly qualified employees who work on approximately 300 cars a month. From the outset Lee wanted to provide an honest and reliable service, ensuring that excellent customer service was given at all times – something that continues to be extremely important to all members of the team to this day. Since opening we have worked hard to build a reputation of offering value for money to the Pulborough community and the large amount of repeat custom we receive is testament to this. We are Members of: Checkatrade.com The good garage scheme Trading standards buy with confidence RMI Trust my garage RAC Approved garage

7 And 8 Station Approach, Pulborough, RH201AQ

West Hampstead Motors Ltd

4.5/5

Established in 1975. West Hampstead Motors Ltd. are expert in the servicing and repair of both classic and modern German vehicles. We specialise in Audi, BMW, Mercedes Benz, Porsche and VW cars. Alongside the service centre, our state of the art approved bodyshop undertakes all aspects of body work and restoration to the highest of standards.

155-161, Grafton Road, Gospel Oak, NW5 4AY

Cunningham’s Autocare And Recovery

4.7/5

A newly established company with over 20 years experience specialising in vehicle repairs and recovery, certified and audited by the AA! All types of work carried out from safety checks to clutches and cambelts. We offer a fully insured collection and delivery for your vehicle (subject to availability) in order to not interfere with your busy schedule. Only top quality parts used which also come with a 12 month / 12 thousand mile warranty. PRICE PROMISE! If you are shopping around for quotes and we are not the cheapest, don’t rush in! Give us a call back and we can see if we can beat it with our price promise!

Unit 39 Washford Industrial Estate, Redditch, B980DP

Diplock Fuel Injection Services Ltd

5.0/5

We at Diplock Fuel Injection Services Ltd are a professional and friendly company based in Hailsham. Established since 1985, with individuals having over 50 years experience our car mechanics offer an array of car maintenance services. We specialise in diesel fuel injection and MOT testing, and can offer a comprehensive selection of repair work. We have built up a highly sought-after reputation and we come highly recommended by people in the trade. We also pride ourselves on offering very good rates on MOT tests; so please contact us for an unbeatable price!

Unit 3/4 Avocet Way, Diplocks Way, Hailsham, BN27 3JF

Frequently asked questions on car diagnostics

How much does it cost to diagnose a car problem?

The cost you pay can vary depending on the type of car and how complicated the diagnostic test. Check with your mechanic for a quote.

Is a car diagnostic test worth it?

Yes, a diagnostic test may save you a lot of money. It finds issues early before they become costly repairs. It can also keep your vehicle running efficiently and safely

Can I do a car diagnostic myself?

While you can buy a diagnostic tool, interpreting the results needs expertise. It’s best if you to have a professional mechanic perform the test.

How long does a car diagnostic test take?

Diagnostic tests take from 30 minutes to a few hours. This depends on what issues are being looked at.

What are common car diagnostic codes?

Common diagnostic trouble codes include:

P0300: Random/Multiple Cylinder Misfire Detected
P0420: Catalyst System Efficiency Below Threshold
P0171: System Too Lean (Bank 1)

These are general examples, so your car may have different codes. Always check with a mechanic so you get an accurate diagnosis.

Is a car diagnostic test necessary for a service?

Yes, they are. Regular diagnostics can help keep your car in good health. It makes sure that underlying issues are addressed quickly, so you can drive with peace of mind on the road.

Again, keep in mind that mechanics might have their own checklists. Chat with your mechanic to be sure that they address any specific issues you have.