Why do germain tunes offer more gain?

[Bimmer-Bob]

Lol, ask them if they know anything about the 128i. Why can't the American tuners do anything with it?

[Aries932]

Actually to answer your questions it is because germans use higher octane gasoline. Generally you will find that they will use 98-100 RON octane gas which is equivalent to 95 octane in the US.

Most tuners will make their tunes around 91 octane unless they ask you which octane you are using and customize the tune accordingly. Even still their tunes still only go to 93 octane usually.

[Dackelone]

Originally Posted by Aries932

Actually to answer your questions it is because germans use higher octane gasoline. Generally you will find that they will use 98-100 RON octane gas which is equivalent to 95 octane in the US.

Most tuners will make their tunes around 91 octane unless they ask you which octane you are using and customize the tune accordingly. Even still their tunes still only go to 93 octane usually.

Originally Posted by Bimmer-Bob

Lol, ask them if they know anything about the 128i. Why can't the American tuners do anything with it?

One other reason why you see more tunes being offered for the NA motors is bc not everyone can afford to own a 135i in Germany. By far the model of choice for the e82 is the 120d and then followed up by the 120i. You do see some 125i's too. But a 135i is a rare bird over here.

I have only seen TWO 135i's driven by Germans on the streets around here( or when I travel). By far all of the 135i's I see are fellow Americans who bought thru MCS. Gas cost near $9 per gallon right now - plus all the other "taxes" the Germans have to pay. a 120i or 120d just makes more sense.


Dackel

[Evice]

My 128i is on the way to being a track toy very soon to replace my 98 M3. I'm putting 130 miles a day on it, so when I hit 100k miles, it will retire for track usage. So I'd love to get 280 HP outta this baby which is approximately what I am getting outta my m3. But I still like the balance and steering of my 1er.

Someone GET ME TO 280 HP !!!!!!!

[ManGGouste]

Hello guys.

This is it.
Just drove back from Munich.
I've got the 130i power + a bonus under my hood.

The engine is transformed. Feels like it's meant to have 274hp.
It revs smoooooothly up to 7k, you don't feel anymore that reving above 5k is useless.

After what I saw, there's no almost chance that US guys will be able to do the same stuff.

[Riley1524]

Originally Posted by ManGGouste

Hello guys.

This is it.
Just drove back from Munich.
I've got the 130i power + a bonus under my hood.

The engine is transformed. Feels like it's meant to have 274hp.
It revs smoooooothly up to 7k, you don't feel anymore that reving above 5k is useless.

After what I saw, there's no almost chance that US guys will be able to do the same stuff.

Huh? LOL.... You mean you don't think the U.S 128i's will be able to make the same power? Care to elaborate on why you think so if this is what your saying?

[130iguy]

Originally Posted by ManGGouste

Hello guys.

This is it.
Just drove back from Munich.
I've got the 130i power + a bonus under my hood.

The engine is transformed. Feels like it's meant to have 274hp.
It revs smoooooothly up to 7k, you don't feel anymore that reving above 5k is useless.

After what I saw, there's no almost chance that US guys will be able to do the same stuff.

Care to share this info with a fellow 130i owner??

[UsualSuspect]

Originally Posted by Greenkirby21

While the AA and OE tuning tunes offer 10-15 hp, why do german tunes offer 30-40 HP gains? Is there something different from our cars?

For example, wintertuning can tune a 125i from 218 hp to 274 HP. That is a gain of 56 HP!! Just with ECU!

Here is a video of a CONVERTIBLE 125i spanking a 130i.

Although I can't speak german, I have seen other german ECU tuners also claim 270 hp for the 128i.

Imagine.. a 128i with CAI, EXHAUST and tune would be good for about 280 hp


http://wintertuning.de/index.php?opt...111&Itemid=112

I have an OE Tuning custom tune done by BrenTuning and I'm at 388 to the wheels. I don't think you checked out the tunes on OE Tunings website, just with a tune they offer an average gain of 70HP.
Here: http://oetuning.com/index.php/produc...35i-3-0tt.html
If you want to contact me feel free. I'm working on getting an update and I should be at over 405 to the wheels...I'll keep you posted.

[Greenkirby21]

Originally Posted by UsualSuspect

I have an OE Tuning custom tune done by BrenTuning and I'm at 388 to the wheels. I don't think you checked out the tunes on OE Tunings website, just with a tune they offer an average gain of 70HP.
Here: http://oetuning.com/index.php/produc...35i-3-0tt.html
If you want to contact me feel free. I'm working on getting an update and I should be at over 405 to the wheels...I'll keep you posted.

thats because you have a 135i, you have turbos... the 128i shows a max of 20 hp with the OE tune... i wish i had a 128i that had 388 to the wheels...

[UsualSuspect]

Originally Posted by Greenkirby21

thats because you have a 135i, you have turbos... the 128i shows a max of 20 hp with the OE tune... i wish i had a 128i that had 388 to the wheels...

Also, the 128 there has a better fuel system than the US model.

[ManGGouste]

What I mean is that you need not only to be an electronic master...
You'd need to live in Germany in order to have the right connections to be able to crack the software of any engine.
Believe me, this is far not a piece of cake from what I saw.

This would also explain why only a few guys are able to do it.

[Dackelone]

Originally Posted by Greenkirby21

thats because you have a 135i, you have turbos... the 128i shows a max of 20 hp with the OE tune... i wish i had a 128i that had 388 to the wheels...

I believe 265 - 280 PS and 310 - 325 Nm is possible for the 125/128/130i motors. At least that is what my German tuner told me.