Update to this: My mechanic friend (wife's uncle) decided to try a workaround on it at the weekend (bodge, in laymans terms), which has worked a treat, and is seemingly undetectable, at the expense of not being able to do a cold cycle of the DPF. Where the exhaust meets the motor for the flap, there...

Unfortunately, it's a dealer only part from what I can gather, so they may not even have that info either. B&M Exhausts factory is next door to where I work, so I was going to pop in on the off-chance they may know. Maybe prompt them into manufacturing them too

Thanks anyway.

Howdo folks, I've had this issue for about a year or so now, and aside from an annoying EML displayed constantly, it's never caused the car any issues. Basically, the flap within the exhaust that closes to help heat the DPF is stuck open. Car has done 84k so little chance of freeing it up, and it's ...