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#101 |
On the path
![]() ![]() Join Date: Apr 2010
Posts: 78
Car: 05 E46 M3
Colour Combo: Velvet Blue Individual
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![]() Last edited by jatinder; 18th June 2017 at 08:53 AM. |
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#102 |
Rocking a new hat
![]() ![]() ![]() Join Date: Sep 2014
Location: Gloucestershire
Posts: 561
Car: E46 M3
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![]() Quote:
Looks like you have just reset your adaptations there, correct? If not, it looks like lambda adaptations are disabled in the tune, unless things are running absolutely spot on, which is unlikely. All your trims are sitting at 1.0 which means no adaptive corrections are being applied to your fueling.
Regarding data logging - INPA isn't the best for this, especially during WOT pulls such on a dyno. You ideally need data logging software, BMWlogger or Testo(free) both work well. ![]() The adaptions were reset about 800 miles ago. I'll ask evolve about their tune. |
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#103 |
Achieved official socks
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Oct 2014
Location: Glasgow / Stornoway
Posts: 1,268
Car: 2005 E46 M3 Manual 'Track' / 2004 E46 M3 Manual (Breaking for spares)
Colour Combo: Silver Grey / Titan Silver
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this is the issue with going on the dyno - if your results are off then you end up spending some cash! The fuelling aspect is the most important piece and as Paul says (he really knows what he is talking about) if running lean and it's not an obvious air leak, then you need to look at the fuel delivery system.
For those with really low figures you might also consider checking Vanos operation - since this is a potential 'common fault' - you can do this yourself with DIS as there is a test routine in ther. Having tuned Duncan's M3 remotely on the Surrey RR, i'd say it's a good choice for an accurate readout. It's very similar in behavior and figures to the DD dyno I use up here in Scotland @ SOS Motorsport. |
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#104 |
Rocking a new hat
![]() ![]() ![]() Join Date: Sep 2014
Location: Gloucestershire
Posts: 561
Car: E46 M3
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![]() Quote:
this is the issue with going on the dyno - if your results are off then you end up spending some cash! The fuelling aspect is the most important piece and as Paul says (he really knows what he is talking about) if running lean and it's not an obvious air leak, then you need to look at the fuel delivery system.
For those with really low figures you might also consider checking Vanos operation - since this is a potential 'common fault' - you can do this yourself with DIS as there is a test routine in ther. Not worried about spending some cash, I aim to track this car quite a bit so want to be sure it's going to be reliable. But at the same time want to spend that cash in the right areas. Good shout on the Vanos, no history of mine ever being done (Car's on 154K) but it sounds healthy. I have DIS so will run some tests. Quote:
Cheers Duncan! And yes, healthy Vanos operation is one of the key factors to S54 engine performance - it can affect power output significantly if there is an issue, so a routine test via DIS/GT1 is never a bad idea.
Having tuned Duncan's M3 remotely on the Surrey RR, i'd say it's a good choice for an accurate readout. It's very similar in behavior and figures to the DD dyno I use up here in Scotland @ SOS Motorsport. ![]() Its interesting that my figures were static on the adaptions. I'll drop Evolve a message and see if that's what they'd expect when running their map. I've used Surrey for years, back from my Legacy days 10 years or so ago when he was in his old place and have taken almost every car I've owned to him! I know and trust his RR. Not interested in the end figures, only the fact the car is running correctly. Had the fueling been spot on at 320bhp I'd have been well chuffed. |
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#105 |
Achieved official socks
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Oct 2014
Location: Glasgow / Stornoway
Posts: 1,268
Car: 2005 E46 M3 Manual 'Track' / 2004 E46 M3 Manual (Breaking for spares)
Colour Combo: Silver Grey / Titan Silver
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![]() Quote:
Wasn't questioning Paul. Was just asking questions to better understand as I like to learn as much as possible and try to figure it out/make sense of it all myself as best I can. To be fair 320bhp from mine isn't bad at all considering its lean. Its not too lean though. I did have a crack in the MAF housing on the Eventuri when it went on the rollers but I couldn't find a leak with a very basic home made leak test (Washing up liquid and water method). Also checked other parts of the inlet too. At least trying to find a leak on a N/A car is way simpler than when I tried to find one on a complex twin turbo Subaru!
Not worried about spending some cash, I aim to track this car quite a bit so want to be sure it's going to be reliable. But at the same time want to spend that cash in the right areas. Good shout on the Vanos, no history of mine ever being done (Car's on 154K) but it sounds healthy. I have DIS so will run some tests. Thanks Paul, I appreciate the pointers and advice. Please don't take my questions the wrong way, I'm not questioning your knowledge, just questioning generally to better understand ![]() Its interesting that my figures were static on the adaptions. I'll drop Evolve a message and see if that's what they'd expect when running their map. I've used Surrey for years, back from my Legacy days 10 years or so ago when he was in his old place and have taken almost every car I've owned to him! I know and trust his RR. Not interested in the end figures, only the fact the car is running correctly. Had the fueling been spot on at 320bhp I'd have been well chuffed. ![]() Regarding the fuel adaptations - it's not uncommon for some tuners to completely disable them. Usually the reasoning behind it is to prevent your lambda adaptations affecting WOT fuel - although in this case it looks to need some adjustment and/or a fuel system check over. |
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#106 |
Rocking a new hat
![]() ![]() ![]() Join Date: Sep 2014
Location: Gloucestershire
Posts: 561
Car: E46 M3
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I don't think Duncan was getting at you mate, just a passing comment
![]() Regarding the fuel adaptations - it's not uncommon for some tuners to completely disable them. Usually the reasoning behind it is to prevent your lambda adaptations affecting WOT fuel - although in this case it looks to need some adjustment and/or a fuel system check over. ![]() |
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#107 |
Achieved official socks
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Feb 2012
Location: south London
Posts: 3,834
Car: 2003 BMW M3
Colour Combo: steel grey Imola red leather
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Another Dyno day for 12th August if anyone interested no more than 10 cars
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#108 |
Wearing official robes
![]() Join Date: Jun 2012
Location: Kent
Posts: 367
Car: E46 M3 2002
Colour Combo: EB & black
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I'll be up for it if martyn (ecuworx) fancies coming along to do a live map and correct the richness of it, hint hint nudge nudge !
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#109 |
Achieved official socks
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Location: Rochester, Kent
Posts: 1,102
Car: 2005 BMW M3
Colour Combo: E46 M3 Carbon Black/Black
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Has anything been sorted out for the 12th ????
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#110 |
Achieved official socks
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Location: south London
Posts: 3,834
Car: 2003 BMW M3
Colour Combo: steel grey Imola red leather
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Yes I've spoken to Charlie but I have to let him know next week how many are coming but for those that are we have to be there by 10 AM
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#111 |
Achieved official socks
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Location: south London
Posts: 3,834
Car: 2003 BMW M3
Colour Combo: steel grey Imola red leather
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#112 |
Achieved official socks
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Location: south London
Posts: 3,834
Car: 2003 BMW M3
Colour Combo: steel grey Imola red leather
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Well after all the tweaking back and forth on the rollers this is the outcome it's all spot on
350hp |
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#113 |
Rocking a new hat
![]() ![]() ![]() Join Date: Sep 2014
Location: Gloucestershire
Posts: 561
Car: E46 M3
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