My car has failed the MoT on emissions - how can I fix this?

My BMW Z3 is failing the Irish NCT (equivalent to MoT) on CO2 emissions. Do I need to change the catalytic converter?

Is it possible to get separate insurance for my catalytic converter?

Is it possible to get separate insurance for my catalytic converter with claiming on my normal car insurance?

Do any cars have catalytic converters fitted under the bonnet?

With several catalytic converters being stolen in my area, do any cars have them fitted under the bonnet?

Is a catalytic converter covered under warranty?

Does a new car warranty cover the cat? I have an MG ZS which is 18 months old and has done 3,000 miles. It was bought new. I have been told by the MG agent the cat needs replacing at a cost to me of £1,200!...

How do I prevent catalytic converter clogging?

How to prevent catalytic converter clogging.

Which models are most targeted for catalytic converter theft?

I've had my catalytic converter nicked twice now, unfortunately. Once on a Honda Accord and just before that on a Civic. I want to know what makes and models are less likely or impossible to target?

How can I secure my car's catalytic converter from theft and is it likely to be stolen?

Like many people, I am alarmed by the rising number of catalytic converter thefts and the cost of replacement with having to pay the excess on any insurance if this were to happen to me. I have a 2013...

How much does it cost to replace a cat. converter?

Any idea of the cost to replace a catalytic converter on a 2016 diesel Volkswagen Golf, please?

Will my car pass the MOT if I remove the catalytic converter?

I'm wondering if it is legal to remove the two catalytic converters from my car. It's a 2005 Audi A4 3.0-litre diesel. It has no DPF fitted from standard, just a primary and secondary cat. Can these be...

How do I prevent cat converter theft?

Is my 2019 Honda Jazz Sport vulnerable to having its catalytic converter stolen?