Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20793
anglefire wrote:
Steve, does yours have a remap then?
The live values that interest me at the moment are the 4 solenoid valves on the auto box and the TC lockup status. I don't see much happening on the valves - one or 2 change state occasionally, but can't work out exactly what they are doing!
Member Since: 23 Oct 2012
Location: Lanarkshire
Posts: 217
I'll check tomorrow when I'm more awake
11th Mar 2014 11:50 pm
woody32 Site Sponsor
Member Since: 11 Mar 2009
Location: Somerset
Posts: 3551
Robbie wrote:
With a one handed reply there Robbie,We know what your doing!
I Will check mine also, i have a remap and standard intercooler
Ps cant check the autobox bit as I'm a real driver Wanted D4s non runners pm for competitive price.
IID Pro MV License - D3/4 RRS - Enabling, Updates,Transmission flushing.
Mobile or workshop,PM for details.
11th Mar 2014 11:55 pm
Woolmeister
Member Since: 26 Mar 2007
Location: Chandler's Ford
Posts: 3459
Just to put the record straight, I did not attend a local history meeting at the church hall last night. And I don't know who Bernard is.
No offence intended to anybody who partakes in such activities.
So, back on subject
Has anybody successfully got any suspension live data to display yet?
Steve2021 BMW iX3 Premier Edition in Carbon Black ⚡️🔌
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12th Mar 2014 11:58 am
alex_pescaru
Member Since: 19 Dec 2010
Location: RO
Posts: 270
Woolmeister wrote:
So, if I had displayed Barometric Pressure alongside Manifold Input Pressure, you would expect those values to be roughly equal at idle?
Yes, but only at idle. Once RPM increases, the turbo will be able to increase the pressure and the intake pressure will rise.
12th Mar 2014 4:38 pm
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20793
Woolmeister wrote:
Has anybody successfully got any suspension live data to display yet?
Steve
First pic is the car stationary, 2nd is driving/braking/cornering etcMy D3 Build Thread
Member Since: 23 Oct 2011
Location: Isle of Skye
Posts: 124
anglefire wrote:
Disco_Mikey wrote:
I'll admit, I done the same
Just a pity the live torque reading never reads above 404Nm with any diagnostic kit. That could be interesting
I suspect that is due to the torque being a calculated value based on revs and throttle etc and taken through a lookup table to give the torque value. Reasonable given the standard design, but not a lot of use if you tune the engine
Not quite - the reason it clamps out is that the internal torque structure (which is in the more-correct indicated torque domain) has a scalar clamp at 450Nm. The torque that a lot of the diagnostic tools display is flywheel torque, which is calculated from;
TDV6 calibration prior to 2008MY do not have much in the way of TQE, which is a straightforward product of engine moment of inertia and engine speed delta. The way to see this is to rev the engine out of gear - if the TQ figure stays more or less zero, then the TQE figure is balancing out the additional indicated torque TQI to accelerate the engine from idle. Prior to 2008MY, a revved engine will read a positive TQ figure during speed rise, and negative TQ during speed fall (which is inaccurate of the true torque produced at the flywheel).
For TDV6, the friction torque TQF rises to around 45Nm at mid engine speeds, which is the area of engine operation that allows the max indicated torque to hit circa 445Nm. So TQ figures will tend to clamp around 400Nm on diagnostic tools. A good tool will also show TQI, which will clamp around 445Nm.
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