X5 35d - Exhaust fluid

[Craig]

Originally Posted by FunfDreisig

But the DEF 'flush and fill' service is supposed to be part of the 4 years of 'free' service with each oil change. IMO four years from now a DEF flush and fill will probably be part of the services offered by most jiffy lube type shops. Or at worst any BMW indie repair shop.

My point was that even if BMW didn't cover any DEF fill up between oil changes, the cost would not be very much for owners who were even a little bit handy with automotive maintenance and could count to 2

The pricing posted by Diesel Guy makes the BMW dealer that charged darkside4.8 over $200 to top up his DEF tank (probably singular) only 4k miles after supposedly 'flushing and filling' both tanks behavior even more egregious.

Funf Dreisig

Something doesn't sound right. I believe darkside, but I don't trust his dealer filled the tanks, or he has a leak, or another problem...

Craig

[FunfDreisig]

Originally Posted by Craig

Something doesn't sound right. I believe darkside, but I don't trust his dealer filled the tanks, or he has a leak, or another problem...

Here's is what I think happened to darkside4.8's 35d....

<WAG>
10k - BMW tech flushed and filled the small DEF tank. And either because the tech was unaware of the large tank or in a hurry, the tech left whatever DEF was still in the large tank at that point.

14k - The remainder of the DEF in the large tank is now gone and the small tank is down to the warning level. The big question is did the tech only fill the small tank again? If so, that DEF warning will come in less than 4k miles this time
</WAG>

The best evidence we are ever likely to see is HOW MUCH DEF is on the paper work.

Funf Dreisig

[FunfDreisig]

Originally Posted by k80jr

I just returned from the dealer after they filled it with diesel exhaust fluid. All OK now. The passive(main) tank was empty and active tank was 33% full. 1st fill at 12k,2nd fill 18K, this fill, the 3rd fill, at 19k. SA says that he isn't sure if they know how to fill the tanks properly. This 35d is the first one this dealer has seen. I'm sure they still learning how to fill it. I'm being patient and not going on any long trips.

Originally Posted by k80jr

Well, the invoice says they used 1 83-19-0-440-158 diesel exhaust fluid.
Also says filled both tanks. Says they checked fluid level via ISTA......

And here is what I think happened to k80jr's 35d...

<WAG>
12k - BMW tech flushed and filled the small DEF tank. And the tech left whatever DEF was still in the large tank at that point.

18k - The remainder of the DEF in the large tank was gone and the small tank was down to the warning level. Once again the BMW tech only filled the small DEF tank and didn't touch the now empty large DEF tank.

19k - The small DEF tank dropped to the minimum level (roughly 1/3 full) and triggered the DEF warning countdown again. Hopefully the comments "Also says filled both tanks. Says they checked fluid level via ISTA" means that this time they did flush and fill the large DEF tank
</WAG>

Funf Dreisig