Road trip f30 320d manual

[Little Diesel]

Nice to see somebody else pushing the limits.The 3 series is light but it's actually all about BMW's 2.0 litre diesel motor.
I have the modular motor in my 2016 X1 2.0d S drive (front wheel drive) and below the consumption from Jhb to Vereeniging.

The unfortunate thing about fuel consumption is that your figure is only as good as the car ahead of you allows and if you have a nervous driver ahead who keeps on braking these figures fly out the window.
:rollsmile:

Yea the last bit was terrible. But the hills are ridiculous. I get similar to that if i drive to Pretoria because the hills are gradual. But geez here the hills are steep lol. BMW 2.0 diesel for the win.

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[Little Diesel]

Soooo the final results in. On the way up.

Average on trip for the total of 1900km is 4.0l/100km

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[ChefDJ]

That's really good. Took BMW a while :tease:

 

[tman]

Soooo the final results in. On the way up.

Average on trip for the total of 1900km is 4.0l/100km

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Well done! Any chance you kept a record of the actual litres used to compare?

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[Little Diesel]

Soooo the final results in. On the way up.

Average on trip for the total of 1900km is 4.0l/100km

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Well done! Any chance you kept a record of the actual litres used to compare?

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Uhmmmmm. Lol. I think i saved the 2 slips.. but I'd have to go and have a look . Maybe tomorrow. I'm dead tired now.

It should be pretty accurate though. Especially the trip and not the journey info.



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[sash]

I tend you rely more on fuelly than the cars obc, in my e60, with stock wheels it was always about 0,2 to 0,3 l/100km off on every tank and speedo was about 8 km/h off at 120km/h. When fitted 19s, my speedo is about 1km/h off and my fuelly is also more accurate.

On my x1, it's still on stock wheels and the experience is as above on stock wheels..... maybe I should consider 19's :rollsmile:

 

[tman]

I tend you rely more on fuelly than the cars obc, in my e60, with stock wheels it was always about 0,2 to 0,3 l/100km off on every tank and speedo was about 8 km/h off at 120km/h. When fitted 19s, my speedo is about 1km/h off and my fuelly is also more accurate.

0.2 to 0.3 might not sound like a lot for your average "M" driver, but if considered in the sake of an economy run I think it's quite important, and relevant.
Even more so if you traveling a couple thousand kms, it all ads up!

Just like 0.3 of a sec makes a difference round a track in a performance car, 0.3L per 100km has the same importance in an economy run!

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[FerdiBotha]

I tend you rely more on fuelly than the cars obc, in my e60, with stock wheels it was always about 0,2 to 0,3 l/100km off on every tank and speedo was about 8 km/h off at 120km/h. When fitted 19s, my speedo is about 1km/h off and my fuelly is also more accurate.

0.2 to 0.3 might not sound like a lot for your average "M" driver, but if considered in the sake of an economy run I think it's quite important, and relevant.
Even more so if you traveling a couple thousand kms, it all ads up!

Just like 0.3 of a sec makes a difference round a track in a performance car, 0.3L per 100km has the same importance in an economy run!

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+1

When checking my actual fuel consumption I always revert to my actual km travelled on a tank divided by litres at fill up (I always fill up) to get the actual km/l and eventually l/100km.

The OBC is never 100% accurate and is out by quite a bit most of the time.

 

[Little Diesel]

All you guys telling me i need to work out actual economy by the actual litres and kilometers.

I tested it via the OBC. Because 99% of the guys on here work on their OBC to work and back etc. Thats the standard. If i had to go and work it out, which i will later today when i find the slips, the rest that are conparing their cars will have to as well. Its just easier comparing what the car says to another even though it might be out a little. Its just a base line. Also on the way up i was using 50ppm because i could not find 10ppm

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[tman]

All you guys telling me i need to work out actual economy by the actual litres and kilometers.

I tested it via the OBC. Because 99% of the guys on here work on their OBC to work and back etc. Thats the standard. If i had to go and work it out, which i will later today when i find the slips, the rest that are conparing their cars will have to as well. Its just easier comparing what the car says to another even though it might be out a little. Its just a base line. Also on the way up i was using 50ppm because i could not find 10ppm

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Not trying to discredit your attempt at all. Ive done many economy runs in the past and I know it takes great patience, concentration and obedience, and it's certainly not for everyone.

Reading the comments on actual vs OBC, take it wish a pinch of salt. The majority of folks here are content with OBC figures. Some, are just a little OCD and want figures down to the last 5%

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[Little Diesel]

All you guys telling me i need to work out actual economy by the actual litres and kilometers.

I tested it via the OBC. Because 99% of the guys on here work on their OBC to work and back etc. Thats the standard. If i had to go and work it out, which i will later today when i find the slips, the rest that are conparing their cars will have to as well. Its just easier comparing what the car says to another even though it might be out a little. Its just a base line. Also on the way up i was using 50ppm because i could not find 10ppm

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Not trying to discredit your attempt at all. Ive done many economy runs in the past and I know it takes great patience, concentration and obedience, and it's certainly not for everyone.

Reading the comments on actual vs OBC, take it wish a pinch of salt. The majority of folks here are content with OBC figures. Some, are just a little OCD and want figures down to the last 5%

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I'm also not saying OBC works best. Its just an easier base line to establish.

I am a little OCD. But most of the time its pretty accurate. But i will try and find those slips. But its first day back at varsity today so might be really busy.

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[RAArmstrong]

Give fuelly a try. I've tracked every liter I've put into my car with it. Generally more accurate than the obc

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[Little Diesel]

Give fuelly a try. I've tracked every liter I've put into my car with it. Generally more accurate than the obc

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I agree its more accurate .
But for us lazy boyz the OBC does the job. I found the one slip sofar

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[sash]

All you guys telling me i need to work out actual economy by the actual litres and kilometers.

I tested it via the OBC. Because 99% of the guys on here work on their OBC to work and back etc. Thats the standard. If i had to go and work it out, which i will later today when i find the slips, the rest that are conparing their cars will have to as well. Its just easier comparing what the car says to another even though it might be out a little. Its just a base line. Also on the way up i was using 50ppm because i could not find 10ppm

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The obc can be changed to calculate differently, I would not trust the values on the same model with the same engine.

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All you guys telling me i need to work out actual economy by the actual litres and kilometers.

I tested it via the OBC. Because 99% of the guys on here work on their OBC to work and back etc. Thats the standard. If i had to go and work it out, which i will later today when i find the slips, the rest that are conparing their cars will have to as well. Its just easier comparing what the car says to another even though it might be out a little. Its just a base line. Also on the way up i was using 50ppm because i could not find 10ppm

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The obc can be changed to calculate differently, I would not trust the values on the same model with the same engine.

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A quote from e90post regarding the hidden menu in our cars


*** WARNING *** 
Do not mess with menu 20.x or at least remember what 20.0 was showing originally 
*** /WARNING *** 

The 20.0 item in the hidden menu shows a value which I thought originally to be 1000 by default. I (unknowingly) messed with mine when playing with the menu the first time and didn' notice right away. However, the fuel consumption figures went up and I could not understand why. In the end I put it on the cold weather and forgot about it.
Several months later I got very bored waiting for someone in the car and I played again with the menu just to find out that this particular value is changeable using 20.1, 20.2 and 20.3
Since I do not know the original value I set it to 1000 (which might be the 1:1 correction ratio). Yes, I did try to calibrate it (odo+liters+math+whatnot) but after all the trouble I decided that I do not care that much and left it at 1000. 

The interesting thing is that it does not seem to accurately report the fuel consumption with this setting, which makes me suspect the original value is _different_ for each car and is calibrated somehow at the factory.
You probably did not mess with yours and that's why it's so accurate.

Would you be so kind to look at your 20.0 entry and see what's the value? (i.e. if you're curious too and confident enough to enter that menu without changing the value).

http://www.e90post.com/forums/showthread.php?t=34550&page=4

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[ChefDJ]

OP, I think the reason for asking for calculated figures rather than OBC figures is to satisfy the curiosity for absolute accurate figures. Also this is the perfect opportunity for you to test your own OBC vs calculated figures to see how accurate your car actually is. Nobody is trying to say your car is lying.
:=):

 

[Little Diesel]

OP, I think the reason for asking for calculated figures rather than OBC figures is to satisfy the curiosity for absolute accurate figures. Also this is the perfect opportunity for you to test your own OBC vs calculated figures to see how accurate your car actually is. Nobody is trying to say your car is lying.
:=):

Im not saying that either lol. Im actually saying im lazy haha

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[ChefDJ]

Don't lie, your maths is kak :rollsmile:

Post the slips here, we'll calculate it for you :chef:

 

[Little Diesel]

Also.... i did not fill up when i left. So i can't actually see the litres propperly.

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Don't lie, your maths is kak :rollsmile:

Post the slips here, we'll calculate it for you :chef:

Haha actually not. Im a Bcom student and do math in accounting and economics.

I just did not fill up in Margate. And i cant find the damn slip .

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What ile do to compare is fill up here. Then on next fill up check liters compared to OBC figures and that will give me the variation % and then ile apply it to the 1800km

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[Little Diesel]

So guys before i left margate i had 1200km on the trip and i used around 45l which is about 26km/l which is around 3.8/3.9 L/100. So i think my OBC is spot on with 4l/100

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[Malicezn]

That really is impressive!
I just got 16.4km/l on my 330d (6.09l/100) and I know it can do better but how on earth does one keep one's right foot from depressing the warp speed pedal :biglol: