Second Hand BMW 6 Series Catalytic Converter
Get quotes for a used or replacement BMW 6 Series catalytic converter. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.
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What to check when buying a used BMW 6 Series catalytic converter
A used catalytic converter that fits one vehicle won't always fit another - even within the same model range. These questions help breakers match stock to your exact vehicle before they quote:
- State whether it's petrol or diesel
- State the engine code if known
Other used BMW 6 Series parts
- Used BMW 6 Series Lambda Sensor
- Used BMW 6 Series DPF
- Used BMW 6 Series Exhaust System
- Used BMW 6 Series EGR Valve
- Used BMW 6 Series ECU
- Used BMW 6 Series Differential
- Used BMW 6 Series Indicator Stalk
- Used BMW 6 Series Subframe
- Used BMW 6 Series Wing
- Used BMW 6 Series Drive Shaft
- Used BMW 6 Series Bonnet
- Used BMW 6 Series Turbo
Used catalytic converter for other BMW models
Fitment questions
Does a catalytic converter from an earlier BMW 6 Series fit a later one, for example will an E63 cat fit an F12?
The BMW 6 Series ran across two main generations — the E63/E64 (2003–2010) and the F12/F13/F06 (2011–2018) — and cats from these generations are not interchangeable, as the exhaust systems, engine codes, and emissions standards differ significantly between eras. Even within a generation, the correct cat depends on your specific engine code, so always confirm compatibility with the breaker against your exact registration.
Will a catalytic converter from a 640i fit a 650i — does the trim level matter?
Trim level itself makes no difference to cat fitment, but engine displacement and engine code do — the 640i uses a different engine to the 650i, so their catalytic converters are not the same part. Give the breaker your full registration so they can match against your exact engine code rather than the trim name alone.
Does the BMW 6 Series actually have a catalytic converter, or is it diesel with a DPF instead?
Both apply depending on the variant — petrol 6 Series models (such as the 630i, 640i, and 650i) use a catalytic converter, while diesel models (such as the 630d and 640d) use a diesel particulate filter (DPF) as well as a catalytic converter within the exhaust system. If you're not certain which component you need for your diesel model, confirm with the breaker against your registration, as the cat and DPF on diesel variants are strong confirm-with-breaker territory.
I have a 2014 BMW 640d — does it need a Euro 5 or Euro 6 catalytic converter?
The F12/F13 6 Series diesel models transitioned between Euro 5 and Euro 6 emissions standards around 2013–2015, so a 2014 car could fall either side of that boundary depending on its exact build date and specification. Fitting a cat from the wrong emissions era risks an MOT failure, so confirm your car's Euro rating against the registration with the breaker before sourcing a part.
Will a cat from a pre-facelift F12 fit a post-facelift F12 6 Series?
The F12 received a facelift in 2015, but whether the catalytic converter changed across that point depends on the specific engine code rather than the facelift itself. Name the boundary to the breaker — pre-2015 versus post-2015 — and ask them to cross-reference against both engine codes to confirm whether the parts interchange.
Does a BMW 6 Series M6 use the same catalytic converter as a standard 650i?
The M6 uses BMW's high-performance S63 twin-turbo V8 engine rather than the N63 found in the standard 650i, so the exhaust systems and catalytic converters are different parts despite both being V8 petrol models. Always quote your engine code and registration to the breaker, as the M6 cat is specialist territory and interchange assumptions here would be particularly risky.