Any B6/B7 S4 owners care to check something please ?

[nugentp]

I was logging some data on my 2003 B6 S4 today and spotted a few measuring blocks that don't populate with data.

ECU part number is 8E0-910-560-R but that points to a label file 079-910-560-BBK.lbl which I suspect is derived from another V8 based engine. I am expecting to see oil temperature in Block 134/1 on the basis that the instrument cluster communicates that value over the powertrain bus. I can see oil temp in the cluster in Group 50.

No fault codes and all comms with instruments and other modules reporting sane.

I am just wondering if I have an oddball issue on my car, or whether this appearance of block 134/1 in the BBK label file is erroneous and only relevant to older variants of the V8 engine.

If anyone else with a BBK engine in a B6/B7 S4 can have a quick look and report their findings it would be awesome.

I already searched here (and elsewhere) for more info on this without luck. I couldn't find any reference scans for this car either so I will upload mine for posterity. See link below.

https://forums.ross-tech.com/showthread.php?19978-2003-Audi-S4-(B6-Avant)-BBK-Engine-UK-RHD-Model&p=175876#post175876

 

[Jack@European_Parts]

Why oh why is there no auto-scan posted?

Please post one OP and JPPSG..........

 

[nugentp]

Full scan is in the reference scan list - hence the link in the OP as I couldn't find any BBK reference scans across the forum. As for JPPSG - well I had to google that one - I'm so 2000 and late ;-)

I was just hopeful of finding some other B6/B7 S4 owners who could report if they see same behaviour of missing the oil temp info in Block 134. I am not really calling this out as a fault until I know more about expected behaviour on this car as it seems the label file is derived from other '079' type ECUs.

 

[Uwe]

I was just hopeful of finding some other B6/B7 S4 owners who could report if they see same behaviour of missing the oil temp info in Block 134.

The B7 V8 is dramatically different. I'm pretty sure it's a 4V direct-injected engine vs your 5V port-injected engine, with a much never generation of ECU. Hence I think you should restrict your query to B6 cars.

Your ECU may simply not care about oil temperature. Many of that vintage didn't.

-Uwe-

 

[nugentp]

I am pretty sure the BBK engine in a B6-S4 is exactly the same as the BBK engine in a B7-S4 ! The BBK is a non FSI engine with 40 valves.
The B7-RS4 has the more exotic, higher revving FSI engine with 32 valves - thats the BNS motor.

I had not looked for ECU differences across the B6/B7 BBK lifetime but that is a distinct possibility - a quick look at the parts system tells me the ECU part number 8E0-910-560-R is indeed B6 only. I will chase around some other forums in the search of other owners with VCDS to see if there is a trend here and I can tweak the label file. My sense is the label file is somewhat generic for that 079 engine type and indeed this ECU does not care about oil temp.

 

[Uwe]

I am pretty sure the BBK engine in a B6-S4 is exactly the same as the BBK engine in a B7-S4 ! The BBK is a non FSI engine with 40 valves.

If it has the same engine code, BBK, then it is indeed the same engine. But I thought that Audi made some substantial changes with the B7? I could be wrong though, since I've never owned any of these cars, although I kinda still lust after a B7 RS4, and that engine may indeed be the source of my confusion.

-Uwe-

 

[PetrolDave]

If it has the same engine code, BBK, then it is indeed the same engine. But I thought that Audi made some substantial changes with the B7? I could be wrong though, since I've never owned any of these cars, although I kinda still lust after a B7 RS4, and that engine may indeed be the source of my confusion.

Having owned 2 x B6 S4 and 1 x B7 RS4 (and being the kinda guy that does LOTS of research!) I can confirm that the B7 S4 used the same 40 valve BBK non-FSI engine as the B6 S4, and that the B7 RS4 used the FSI 32 valve BNS engine (which also had completely redesigned timing chains).

BTW a non-high revving version of the BNS also appeared in the Q7.

 

[nugentp]

All of which is 100% correct and appreciated, but 0% helpful in the search for an answer to my question about the expectation for oil temp visibility in the BBK controller. Surely I am not the only current B6/B7 S4 owner with VCDS at their disposal. Oh well - the mystery continues - the world will keep on turning !