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Please do Phil, because I can not believe adding extra oil to the gearbox can solve what is clearly an electronic problem. To my mind the battery and the ECU are still the most likely culprits.

Well TreborGSA - I hope you enjoy the new car. My wife stopped driving my cars since they stopped selling them with wind-up windows. Althought she has an A1 that she loves. You make an interesting point about the over air updates - I will now monitor for any future changes. The tech is annoying - but I will in tme forgive it because the car overall is great. As for my earlier posts about an Immobiliser - yes they do come with one. But are easily bypassed in less than 30 seconds with the right kit. The GHOST II Immobiliser is a different beast - check it out on youtube or wherever. Put simply - when installed - a code has to be entered before the engine will go into gear. Its not a numeric code. It is a user selectable set of key presses - set by the user - steering wheel buttons window buttons etc etc - they have to be entered in the exact sequence. There of course a key fob that can be used to mitigate the key presses. It is not user fitted - has to be installed by licenced installers.

Dealership kindly agreed to do my brake fluid service for half price. So all good now, thanks to all who replied.

A friend had an Autel scan tool which we tried today. That couldn't see / fix the fault so I have booked it into our local Audi dealer for later in the month.

Hi, I have just fixed such an issue due to code P0687 ECM/PCM relay voltage HIGH ..My car ( A4 2006 3.2 Cab ) turned over but no fire. I changed the relay ( nightmare of a job due to HEX screw locations ) and low and behold it fired on 1st crank .. Happy to talk through this if you wish , or see my post on it that has pics of where the relay is located

Remapping for more power is going to put more strain on every part of the ten year old engine and transmission, thus reducing the car's overall durability and reliability. The choice is yours, but there is always a price to pay. Don't forget your insurance premium will also probably increase.

Des. Being a brand new car I would expect the dealer you bought it from to be the first person to seek advice from in case it is a fault that comes under the guarantee.

The guard you mention is an anti-syphoning device so does not affect filling.

Bon soir/Guten Abend Vanessa. I don't know how to open the car; perhaps others can advise. There are many possible causes for the flat battery so can we start by getting some more information. Was the new battery coded to the car? Have you had any diagnosis done by an electrician? Have you fitted extra electrical equipment such as a satnav, a dash camera, a phone charger, a new stereo system etc?

In my experience these service packs are normally tied in with finance and a waste of money. It covers one oil change as minor service and the following year a major service, which is basically air, pollen and oil, plus possibly spark plugs if petrol. There's normally a mountain of small-print too regards engines up to 2.0 litre.

Hi you will need a funnel thats the easiest way, loads on eBay to fit your vehicle. Steve.

When you fitted the new battery did you have it coded to the car? If not, that may be the problem. I suggest you get the battery professionally tested to check that it has not been degraded by poor charging as a first step. If after proving the battery is well the faults still exist, get the car scanned on a code reader to remove redundant codes and diagnose any new codes.

Ha e you had a further diagnostic check to see if any further fault codes flag up after the key recoding? There could be an issue with the gearbox megatronics unit but I'm not sure if this would stop the car from cranking. Taking it back to basics, it needs to be established if the car is getting fuel and air. As such, could it be an issue with the high pressure fuel pump? It could also be an electrical issue relating to a crank sensor, can sensor, injector or immobiliser. I would advise getting a second opinion from another mechanic before you start throwing money/parts at it randomly in hoping to fix the problem.

Did you get a print out of the test results for the battery’s various perimeters, and what brand is it? Was the alternator output checked at the same time? Is the car in regular daily use, and what is its normal journey pattern? Regards, Gareth.

Welcome Phil, If this had been mine, I wouldn’t have spent a penny on it until I had had the battery efficiency checked on a professional tester. Do you know how old the battery is? Regards, Gareth.