"Barry Bingham" > wrote in message
...
> I posted a while back about my concerns following the initial "long
> life" service of my wife's UK-based A4. After the oil change and just
> 20miles, the oil was as black as before and there was more of it.
>
> I've now been back to the garage and insisted that they again change the
> oil foc - which they agreed to probably because of the other minor
> faults arising from the service.
>
> They told me. as others did in responding to my last post, that oil goes
> black very quickly in a diesel - even in just 20miles. So this time I
> insisted on reading the dipstick before a wheel was turned after the
> refill. I found that there was now less oil in the sump but it was still
> black. The technician told me:
>
> 1. The oil is black because of the residue which is never fully drained
> from the sump, which in turn colours the rest as soon as the engine is
run.
> 2. That to obtain a clean dipstick without flushing (which Audi do not
> recommend) would require up to 10 refills with short runs inbetween to
> circulate the oil properly.
> 3. That the oil is anyway good for 50,000 miles - Audi are just being
> super-cautious when they say variable, 20-30,000. (What do American
> owners make of that one....!?!?)
>
> When I got home (20 miles again, the level was still lower (about
> halfway between min and max) and as black as ever.
>
> Anyone out there with a recent TDi using the synthetic wunder-oil who
> has ever seen a clean dipstick???
>
> Another credibility check on (main official Audi) dealer info: I was
> also told that the seatbelt warning light (which used to flash until the
> seatbelt was worn and which ceased functioning several months ago)
> should never have functioned: it is only meant to be operational in the
> USA and Canada. Any thoughts from UK owners?

My A4 in the UK seat belt warning has never worked. I assumed it was not
activated in the ecu.

Richard