Calling PCIII experts...

[Doofus]

Hi

I finally fitted a PCIII that I bought at the NEC. My bike is 2005 stock apart from a BOS silencer (with DB killer in place).

The nearest map I decided was the -506 one:

....
06-07 BMW R1200GS Adventure European Model *Advanced map*
Stock cat in place, Akrapovic Racing Slip On (Db Killer Removed)
Stock or aftermarket air filter
Left cylinder is fuel table 1
O2 sensors disconnected
....

However, the bike seems to run pretty much the same, or maybe even slightly worse. Nothing obvious, just seems to lack a bit of the oomph the BOS seemed to give it.

It is a bit of a pain for me to switch maps (logistics of getting the bike near a computer), so I wondered if anyone had any good suggestions of what map to try next. Is there any obvious logic to what would be a good initial map - e.g. can you tell me I need one that generally has more fuel at X rpm, less at Y rpm and no change at z rpm?

cheers for any help!
Darren

 

[Schtum]

You didn't say if you'd disconnected the O2 sensors.

A laptop would make life much easier. It might then be worth trying either:

M936-001 *Advanced map*, Stock exhaust, Stock air filter, Left cylinder is fuel table 1

M936-002 *Advanced map*, Leo Vince slip-on exhaust, Stock air filter, Left cylinder is fuel table 1

The Bos can on its own shouldn't make that much of a difference to the fuelling requirements, especially with the dB killer still in place.

If you really want an increase in performance, you need to change the OE headers for ones without a cat'. That's when the PCIII should really come into its own; especially if you have a custom map made up on the dyno.

 

[Doofus]

Hi Schtum

oops forgot to mention - O2 sensors are disconnected.

A decat is next on my list, but I've spent my tuning budget for the time being on the eexhaust and PCIII, so I want to get it running as best I can for the time being. (Although because I'll (hopefully) be decatting within the next 12months or so, I decided I didn't want to spring for a dyno test with the current set-up).

I'll give the maps you suggest a try next

cheers.
Darren

 

[Magwych]

I am interested in this thread because when it is a bit less cold and wet I will be fitting a PCIII to my GSA ...

Daz, have you done a TPS reset since installing and changing the maps? It is on my mental "to do, after installing" list ...

ust need to disocnnect the battery for about half a minute, reconnect, turn Ign on, wait fotr al checks to complete, then slowly open throttle to full and close 3 times ( engine NOT running !), then tunr Ign off, and back on again. It resets the tPS ( probably not needed) and, I believe, resets the "adaptive mapping" in the injection controller.

This will no doubt spark a huge debate, but may be worth giving a go for the sake of the few minutes it will take to try.

 

[Doofus]

Hi

Yes I did the TPS reset - when connected to the bike the PCIII software tells you the % throttle opening and that was making sense when I was playing with it.

Doesn't take long to fit (hour or so) most time spent deciding where to put it - managed to fit autocom and PCIII together in "tool" tray in the end. However, good call to wait until its warmer - my fingers were in all sorts of trouble!

Simple tips to avoid a couple of little things that held me up for a few minutes...

1 - the on-bike TPS socket has a sprung metal thingamyjig to hold the plug in. I couldn't see for a while how to release it. There is a removeable plastic spacer that stops it pushing in - the spacer just pops out when you push it upwards from below.

2 - the PCIII TPS socket is tight squeeze behind the air pipe. If you take of the metal spingamyjig it will fit past if you have the socket horizonal with the connector end facing forward. I looked at taking the pipe off, but that wasn't a simple jubilee clip as I'd expected.

good luck, be interesed to hear how you get on.

Darren