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A remap will make the world of difference to be honest. I have a mild map on my 2008 CAPA and it made 280BHP and 616NM. If everything is spot on, these will make 330BHP and 700NM with everything else standard. Above this, you're into the realms of hybrid turbos and upgraded fuel pumps. The CAPA and CCWA 3.0TDIs are very strong engines. If you're considering a remap, please make sure you go to a reputable tuner with a rolling road who will do a custom map and not a chap with a laptop and a generic flash map. It's obviously more expensive, but the benefits are rather substantial.

Good morning Dan. Plenty of people have had that problem. Here is one example and there are others if you search the forum.

Just been fixed with some heat and a hammer, pretty easy job really VID_20231120_183404.mp4

Recently the car has been giving the impression of a flat battery when trying to start. It would turnover a couple of times but very very slowly. Turning the ignition off and then on again and the car would turn over slowly and then speed up and start but this may take a few attempts. It gave all the impressions of a poor starter motor. But having fitted one on a previous Q7 I know this is a 4 hour job and even with a decent discount is still over £200 for the unit. So decided to ring a local auto electrician that could hopefully diagnose exactly the part that needed replacing. (Vagcom showed nothing amiss by the way). He turned up and checked the car over and said that the cars alternator was charging the battery at around 13.6v. This is a indication of a poor earth and fitted another earth cable from the earth point under the bonnet used for jump starting to the engine manifold. Said he’s fitted loads as it’s a well known problem within VAG that the earths corrode over time and need cleaning. The car now charges at just over 14v and starts better than it ever did less than 2 seconds from turning the key. Turns over faster than my mates 2011 and 2014 Q7’s. Cost £10 for the earth cable and £40 for callout Including 1 hours labour. Hope this is helpful to anybody with a similar problem.