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      01-01-2015, 12:02 PM   #23
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Dinan doesn't make a chip for the 3L diesel - yet. I had their tune in my 550i.

RC makes a good product - I still have mine installed and it does what I want it to do. I tested something like 25 combinations of the settings. The setting I settled on provides torque from idle to about 2500 rpm, along with additional fueling up to about 3500 rpm. That's where I drive it 99.9% of the time. I don't drag race, I've used the paddle shifters probably twice, but use Sport a lot in city traffic to get away from the insanity of Atlanta drivers - thereby creating my own insanity. My average mpg is 28.8 city/country roads (the majority of my driving), 34.2 on highway, and 27-ish with a bike on the roof (yikes) at 75 mph.
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      01-01-2015, 01:18 PM   #24
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What Paul stated in his reply to my email:

Attached is a chart - it's not the new engine unfortunately so this may not be useful for you.
I misunderstood the question, sorry. Here is how it works. S2 and S1 call different software maps. We use two dials because it allows for more combinations. When increasing S2 on the ultimate diesel it will call maps that contain changes on timing, boost and pressure for focus on power. S1 calls maps that focus on torque. What the colleague on the dyno should do is use stock, then power level 1 and maybe 2 and compare the changes.

*EDIT* got it working:

Last edited by emdeuce; 01-01-2015 at 07:16 PM..
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      01-01-2015, 04:06 PM   #25
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Paul is correct.

To be clear, the wiring harness plugs into the high pressure common fuel rail (three wires) The chip modifies and sends signals to the ECU to increase fuel pressure (more fuel - HP) and when to fire the injectors (injector or fuel timing - torque) - all this by influencing (or calling) the stock OEM tune tables. This chip does not DIRECTLY influence the turbo. It is a VGT and is influenced by the fuel tables and fuel timing and is actuated by oil pressure through an electronic solenoid.

Here is a quote from Nils Warschun, RC in Germany on July 8 in an email exchange between him and me:

"Our chip is mainly active in the acceleration and pulling phase. The work area is about 1500-3500 rpm." This is completely consistent with my statement above and in earlier posts. If your accelerator is not moving, or is above 3500, then the RC is doing nothing.

Furthermore, here is another statement from the same email:

"We supply the chip with a basic setting for your vehicle. With this basic setting, you have a power increase about 20%. This is the best compromise between fuel economy and performance." On paper, this should give you about 300 hp and over 475 lb ft of torque.

I was told in different emails that my engine spec is higher from the factory and this is why it couldn't take the RC stock setting without tripping CEL. This could be true due to software version, an engine part could have been upgraded or switched to a different OEM supplier, but I think it is influenced more by environmental factors such as temp, altitude and humidity.

Good luck.
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      01-02-2015, 06:30 AM   #26
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Quote:
Originally Posted by opasha View Post
Also, for anyone wondering. The tick marks are 1.5% increase in hp. So doing the math for the diesel hp RaceChip Tuning Performance: 331 hp / 487 lb/ft tq:

331 x .015 = 4.965. So, if 0 is the stock setting at 331. The ticks up or down will be an increase or decrease of 4.965 hp. My buddy asked Paul about the math I did, and Paul confirmed it was correct. I want to know if we you get 331 at E/0 or not. If so, then E/2 will give you 340.93 hp. 42pilot , any thoughts, my friend? I found all this information out by browsing audiworld and singapore forums.

I really would love to do a dyno on mine. Right now being in the S1=1, S2= C setting (S1=1, S2=B is my stock setting for the chip for 507hp), my car should be putting out supposedly 514hp according to this math.
Opasa
A couple of years ago, I bought a RC Pro2 for my X3 20D (F25). I was in dialogue with RC about setting and was told that the box was default set for +20%. The 20D has std 184HP, with default setting the box should deliver around 220HP. The Tech person also told me that the quoted HP on the web page is with max setting. In the 20D case it is rated at 237HP. Also told that it was not sure all cars could reach this due to error messages.
I am now using the same box (with different settings based on recommendations from RC) on a E70 30D (8 gear) - can't recall setting. He told me that the box will bring it from 245HP to around 295HP (+20%) based on their recommended new default setting (I can tell you that this is something you can feel).
The new 30D has standard 258HP, the box is set at +20% from RC meaning around 310HP (stock setting) and not 331. But 310HP is not bad either. The new X5 30D is already 0.7 sec faster from 0 - 100km/h than the E70. With the box my E70 is significant faster than stock (7.6 sec) - actually drives up equally to my friends X6 40D (which is 1.0 sec faster than stock E70 30D. I would imaging a F15 30D/35D with around 310HP will do 0-100 km/h in around 6.2-6.3

Btw, I have now used the RC box for app 50K (X3) and 20K (X5) without any single error - I take if off for service and I don't think BMW have ever notched

Good luck
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      01-09-2015, 12:33 AM   #27
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Tomorrow will be the moment of truth, I was able to move my dyno appointment earlier. So far the chip has not had hiccups at E2 settings. I've only had my x5 for 2 months and have a very bad butt dyno, so I cannot give a hands on review. Anyway, I hope the results are not disappointing. Wish me luck!
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      01-09-2015, 09:55 AM   #28
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Quote:
Originally Posted by 42pilot View Post
Dinan doesn't make a chip for the 3L diesel - yet. I had their tune in my 550i.

RC makes a good product - I still have mine installed and it does what I want it to do. I tested something like 25 combinations of the settings. The setting I settled on provides torque from idle to about 2500 rpm, along with additional fueling up to about 3500 rpm. That's where I drive it 99.9% of the time. I don't drag race, I've used the paddle shifters probably twice, but use Sport a lot in city traffic to get away from the insanity of Atlanta drivers - thereby creating my own insanity. My average mpg is 28.8 city/country roads (the majority of my driving), 34.2 on highway, and 27-ish with a bike on the roof (yikes) at 75 mph.
42 Pilot you must have a much lighter foot than me. I am not getting gas mileage close to that. I do almost all city driving and I am averaging about 21 mpg - and that is Eco Pro mode primarily. Sport mode drops the city driving to 18. How can I get better mpg? I put the Racechip on E2 and installed right away. I never broke the engine in first as I did not believe that would matter. Any thoughts would be appreciated.
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      01-09-2015, 11:40 AM   #29
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Quote:
Originally Posted by Trojanlaw View Post
42 Pilot you must have a much lighter foot than me. I am not getting gas mileage close to that. I do almost all city driving and I am averaging about 21 mpg - and that is Eco Pro mode primarily. Sport mode drops the city driving to 18. How can I get better mpg? I put the Racechip on E2 and installed right away. I never broke the engine in first as I did not believe that would matter. Any thoughts would be appreciated.
Is your car brand new? I have Racechip as well and very heavy foot and avg at 27.7mpg city and highway with hard sport+ launches. I try to drive this car like I drive my M5.
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      01-09-2015, 02:55 PM   #30
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Just finished with the dyno runs, but I'll leave you with this much for now:

Ran on the rear wheels only on 4th gear(I'll explain why later)

Base:
259.86 hp @3835rpm
409.05 lbft @2735rpm

Racechip E/2 setting:
296.95 hp @3852rpm
473.31 lbft @2802rpm

Ran on dynapack, corrected at SAE J1349(2004) (whatever that means?)


I will post my chart and go through the entire dyno process later today.
I also obtained all the raw data in .txt and will put it into excel and generate a chart.



Orange is the base line, blue is E/0, purples E/1 and teal is E/2. As you can tell e/2 made a huge difference.

FYI, the guy running the car was in disbelief and had me remove the Racechip after the runs to do another base line. It was consistent with the first 3 base lines.




Last edited by emdeuce; 01-09-2015 at 04:42 PM..
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      01-09-2015, 03:01 PM   #31
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Awesome!!
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      01-09-2015, 03:14 PM   #32
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E/2 setting?

Quote:
Originally Posted by Opplock1 View Post
Just finished with the dyno runs, but I'll leave you with this much for now:

Ran on the rear wheels only on 4th gear(I'll explain why later)

Base:
259.86 hp @3835rpm
409.05 lbft @2735rpm

Racechip E/2 setting:
296.95 hp @3852rpm
473.31 lbft @2802rpm

Ran on dynapack, corrected at SAE J1349(2004) (whatever that means?)

I will post my chart and go through the entire dyno process later today.
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      01-09-2015, 03:21 PM   #33
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Duh, I just saw it. Sorry
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      01-09-2015, 03:25 PM   #34
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Quote:
Originally Posted by greentrbo95gst View Post
Duh, I just saw it. Sorry
Haha no worries, I actually had to double take also to find where stated it lol.
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      01-09-2015, 04:03 PM   #35
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Quote:
Originally Posted by Opplock1 View Post
Just finished with the dyno runs, but I'll leave you with this much for now:

Ran on the rear wheels only on 4th gear(I'll explain why later)

Base:
259.86 hp @3835rpm
409.05 lbft @2735rpm

Racechip E/2 setting:
296.95 hp @3852rpm
473.31 lbft @2802rpm

Ran on dynapack, corrected at SAE J1349(2004) (whatever that means?)

I will post my chart and go through the entire dyno process later today.

nice number.

dumb question: I thought BMW had x5d spec around 250hp & 400 lbft torque at the crank. Is this for wheel hp or crank hp? thanks
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      01-09-2015, 04:15 PM   #36
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Quote:
Originally Posted by ocman View Post
nice number.

dumb question: I thought BMW had x5d spec around 250hp & 400 lbft torque at the crank. Is this for wheel hp or crank hp? thanks
255hp and 413lb/ft is bmw's stock spec on paper. I was quite surprised to see such high numbers for my baseline even after corrections. I was told that they've dynoed several turbo bmws before and noted they also ran higher than bmw states. Apparently they underate their turbo engines.
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      01-09-2015, 04:46 PM   #37
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Quote:
Originally Posted by Opplock1 View Post
255hp and 413lb/ft is bmw's stock spec on paper. I was quite surprised to see such high numbers for my baseline even after corrections. I was told that they've dynoed several turbo bmws before and noted they also ran higher than bmw states. Apparently they underate their turbo engines.
My F10 M5 is rated at 560hp crank from the factory. I dynoed the car at 559 hp to the wheels, which with the 20% loss equates to 670hp at the crank. Talking about underrating. LOL
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      01-09-2015, 04:49 PM   #38
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Opplock1, thanks for doing this and posting the results, buddy .

paicapo, I hope you see this, my friend .
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      01-09-2015, 05:02 PM   #39
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Quote:
Originally Posted by Opplock1 View Post
255hp and 413lb/ft is bmw's stock spec on paper. I was quite surprised to see such high numbers for my baseline even after corrections. I was told that they've dynoed several turbo bmws before and noted they also ran higher than bmw states. Apparently they underate their turbo engines.
turbo engines are every sensitive to external input (outside temp, humidity, blah blah). Maybe BMW had their engines rated in the equator right in the middle of moonsoon seasaon.
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      01-09-2015, 05:06 PM   #40
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I am testing E/3 this weekend.
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      01-09-2015, 09:23 PM   #41
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Quote:
Originally Posted by opasha View Post
Opplock1, thanks for doing this and posting the results, buddy .

paicapo, I hope you see this, my friend .
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      01-09-2015, 09:31 PM   #42
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Quote:
Originally Posted by greentrbo95gst View Post
I am testing E/3 this weekend.
I will also try it tomorow.
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      01-09-2015, 09:41 PM   #43
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Quote:
Originally Posted by Opplock1 View Post
Just finished with the dyno runs, but I'll leave you with this much for now:

Ran on the rear wheels only on 4th gear(I'll explain why later)

Base:
259.86 hp @3835rpm
409.05 lbft @2735rpm

Racechip E/2 setting:
296.95 hp @3852rpm
473.31 lbft @2802rpm

Ran on dynapack, corrected at SAE J1349(2004) (whatever that means?)


I will post my chart and go through the entire dyno process later today.
I also obtained all the raw data in .txt and will put it into excel and generate a chart.



Orange is the base line, blue is E/0, purples E/1 and teal is E/2. As you can tell e/2 made a huge difference.

FYI, the guy running the car was in disbelief and had me remove the Racechip after the runs to do another base line. It was consistent with the first 3 base lines.



Nice.

The only thing I take from this is that RC is pretty damn close to their published claim that their base setting is 18%-20% increase over stock. It also indicates that each increase in the setting is about 1.5% increase in output, based on the two additional settings shown. For me, this is the most important piece of information on this post.

As for the horsepower and torque numbers, I am not going to argue the validity. We would all like to believe BMW under-rates their engines, but they don't and these numbers are highly suspect. In any event, the dyno did exactly as Opplock1 wanted - it validated the chip's effectiveness/performance improvement. For this, I appreciate you spending the time and money, then sharing this with all of us, complete with charts. The chip shows a consistent improvement across the RPM range for the diesel.

The SAE J1349(2004) is a protocol for testing HP and torque (google it). What you probably won't get on google are all the conditions the protocol calls for when testing (about a 20+ page document). For example, it goes down to fuel temp, fuel rail temp and pressure, EGT and so on. Only Opplock1 can tell us if this was used in the calculation factor. If they didn't, then the HP/Torque numbers are just numbers. But again, they performed a before and after test on a chip and that was successful in my opinion.

For your info, BMW (and most other major manufacturers) subscribes to the above protocol (newer version) and they certify their results through a third party. This means their results must be consistent within 1% of their engine production for each model engine, including attached accessories, but not transmission. Therefore, the power BMW advertises is at the crank, on an engine stand, at the factory under extreme controls and supervision.
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      01-09-2015, 11:19 PM   #44
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Originally Posted by greentrbo95gst View Post
Is your car brand new? I have Racechip as well and very heavy foot and avg at 27.7mpg city and highway with hard sport+ launches. I try to drive this car like I drive my M5.
Yes. Brand new picked up November 20. Just passed 2,000 miles.
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