Bikespot

I have issue with my 2006 Audi (got it new).

Right now have 30000 km and due for service in few weeks, however the orange oil warning came up. After checking oil, it is low, low part of the 2 mark, not at bottom of the mark.

I had similar issue last year, where it went low on oil. There is no leak, as I would see some mark in my driveway. (got it serviced last year in the official dealership where I got it)

Looking at other forum and port, there seems to be a lot of issue with Audi A3 or A4 diesel (I think they have similar engine).

Camo

I drive a 170BHP 2.0 TDI. The car is still only about 6 months old, but there have been no problems with oil consumption.

The link you posted refers to the issue relating to FSI engines, not TDI engines, so it does not affect your car in any way. Audi/VW has made diesel engines for a long long time and TDI is a known leader in the technology, so I really don't think it is a design issue. I change the oil in my car every 7500km (due to driving conditions in Taiwan, hot, humid and stop and go) so I can't really comment on how long the oil should last. Diesels are called 'oil-burners' but that refers more to the viscosity of diesel than engine lubrication oil.

Search posts written by Shipo. He knows everything about oil and you could probably pick up great information! But remember, 99% of people on this board drive gas cars, so TDI is different.

You can go to TDIfans.com to get a LOT of information about diesel, but a lot of that info is also about the older TDIs that were imported into the US, not the later versions we have.

Bikespot

Oh its really thanks CAMO

A6S6RS6

As an ASC, I feel compelled to let you in on a little secret.
Here's the issue: (Just don't tell anyone I told you
The late generation 2006 to current models of the 2.0T A3's and A4's have lately been coming back with excessive oil consumption issues. I know what you're talking about.
The common cause for this problem is the Intake Flap Runner being stuck open, which causes oil to leak in and burn off. This is not bad for the enigne, however your oil level will decrease dramatically. Audi has sent out Technical Bulletins regarding this problem. The solution is to replace this part under Warranty if the problem occurs. HOWEVER, this is not a "Recall" or "Campaign Action" as we call it. It's merely a solution to a minor ongoing problem with certain cars. The problem hasn't come up enough for Audi to consider this a Recall. (Like the spoiler addition for downforce on the 1st generation TT's. That was a recall.) That being said, Audi is working on a solution to this problem.
If the problem persists, the next step is to perform an "Oil consumption Test". If your oil light comes on, DO NOT add oil. Go to your dealer and tell them abouthe problem. If your Flap Runner was already replaced, they'll do one of these tests. It's a two part test. The second part occurs in approx 1,000km after you went in the first time with the complaint. Basiaclly, results are compaired from both tests (before & after) and if any acton is needed further from the test, your Dealer will take the appropriate action.[Result may vary with driving habits and vehilce condition, including tuned vehicles.]
Anyway I hope this sheds some light on your problem, and rest assured Audi is working on it for you!

P.S. Audi's "Oil Min" warning and Dip Sticks are constructed and set for an EARLY NOTIFICATION. Meaning, you've got lots of time before it causes damage to your engine. (UNLESS your oil pan is pissing and you're bone dry, but you'd be able to tell if that was the case now wouldn't you?) Anyway, If your oil light comes on, you still got about 4 - 4.5 litres of oil in your car. If your dip stick is at the MIN you got about 3.5 - 4.0 litres of oil in your car. Don't be afraid. But see your Dealer right way!