BMW 1-Series Forum (F20) 135i - 1Addicts.com > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > ECU tune for M135i
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      02-26-2013, 04:58 AM   #1
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ECU tune for M135i

Has anyone had the tune done on an M135i as yet? If so can you share the results with the performance improvements please.
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      02-26-2013, 06:19 AM   #2
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German Tuning Partner and BMW Specialist HARTGE released their power upgrade for the BMW M135:
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      02-26-2013, 07:00 PM   #3
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Check the Hartge video about their M135i tune here:
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      02-27-2013, 12:03 AM   #4
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Or you could try Swiss Chiptech or Speed Buster and let us know!
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      02-28-2013, 08:37 AM   #5
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TMC makes a piggy for it, maxing the output at 385hps
I am using it and love it, its also the cheapest one out there I believe
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      02-28-2013, 09:06 AM   #6
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Quote:
Originally Posted by donaldt View Post
TMC makes a piggy for it, maxing the output at 385hps
I am using it and love it, its also the cheapest one out there I believe
Hi,
Could you give more info on the TMC ? s it plug and play ?
Any website ?

Thank you..
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      02-28-2013, 10:30 AM   #7
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I have found the website link for TMC.

http://www.tmcmotorsport.com

This sounds almost to good to be true.

TMC box is £300

So why it why does AC and Hartger charge over £1500 for the equivalent box?

Any thoughts?

D
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      02-28-2013, 03:40 PM   #8
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Because they (are supposed to) take over your engine warranty.
And because they are ACS and Hartge.
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      03-01-2013, 03:53 AM   #9
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Not sure if i would put a 300$ box in my car though... it cant be half decent. And without measurement on some dynobench its hard to tell if the curve is any good.
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      03-01-2013, 07:43 AM   #10
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Quote:
Originally Posted by Darkhold
Not sure if i would put a 300$ box in my car though... it cant be half decent. And without measurement on some dynobench its hard to tell if the curve is any good.
Agreed,

However, I spoke to them yesterday and they are so confident in the product that they offer a 30 day money back satisfaction thing.

Still not sure about it, but if you such around the Internet they seem very popular with the Fiat 500 lot and cars running the VAG 1.4TFSI.

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      03-01-2013, 12:44 PM   #11
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they are actually more or less the same thing
basically the way it works is that the Turbo is always generating too much boost
so there is a sensor that opens the valve to release the pressure
the piggy is there to trick the sensor so that the valve does not open so quickly, and therefore the boost maintains higher
how much does it cost to produce such a unit? probably not much
why does AC and Hartge ask for so much more? well is there anything with their badges on that are not overpriced?

I know at least a dozen people with these kind of boxes, they are in fact quite safe

I believe the only potential problem would be when using the max output (you can dial from 0 to 9), the oil temp becomes so high you probably want to add an oil cooler, and probably a better charge tube

this is not some kind of new technology so its relatively safe

and its the best investment in any car modification I have done ever
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      03-02-2013, 09:56 AM   #12
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Quote:
Originally Posted by donaldt
they are actually more or less the same thing
basically the way it works is that the Turbo is always generating too much boost
so there is a sensor that opens the valve to release the pressure
the piggy is there to trick the sensor so that the valve does not open so quickly, and therefore the boost maintains higher
how much does it cost to produce such a unit? probably not much
why does AC and Hartge ask for so much more? well is there anything with their badges on that are not overpriced?

I know at least a dozen people with these kind of boxes, they are in fact quite safe

I believe the only potential problem would be when using the max output (you can dial from 0 to 9), the oil temp becomes so high you probably want to add an oil cooler, and probably a better charge tube

this is not some kind of new technology so its relatively safe

and its the best investment in any car modification I have done ever
So you are running the TMC?

What's it's like once on the car?

Cheers

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      03-05-2013, 12:29 PM   #13
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Quote:
Originally Posted by dape90 View Post

This sounds almost to good to be true.

TMC box is 300

So why it why does AC and Hartger charge over 1500 for the equivalent box?

Any thoughts?
The AC Schnitzer upgrade comes from a company with 25 years experience of racing and tuning exclusively BMWs and includes our own 2 year warranty (extendable to 3 years) on the engine/drivetrain to ensure that you are covered in the event of a problem. Where are TMC going to be when you have an engine problem?
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      03-05-2013, 12:49 PM   #14
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Quote:
Originally Posted by AC Schnitzer UK View Post
The AC Schnitzer upgrade comes from a company with 25 years experience of racing and tuning exclusively BMWs and includes our own 2 year warranty (extendable to 3 years) on the engine/drivetrain to ensure that you are covered in the event of a problem. Where are TMC going to be when you have an engine problem?
They won't need to be anywhere, you can just remove the tmc box and know one would know
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      03-05-2013, 12:59 PM   #15
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Quote:
Originally Posted by marlie View Post
They won't need to be anywhere, you can just remove the tmc box and know one would know
You think the ECU doesn't record boost pressure?
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      03-05-2013, 07:09 PM   #16
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To AC UK,

Yes, I am sure that the ECU records a lot of technical telemetry from the engine and what ever system a person chooses is bound to have some point recorded in the ECU if an engineer really takes a close look.

The thing is that while I am sure the AC system is very good it is also the most expensive at nearly £2000 for my car. I appreciate the warranty that comes with it but your nearest market competitor is nearly £500 cheaper and offers the same engine warranty and similar power and torque gains.

Without wanting to sound arrogant or obnoxious, why is the AC solution so much more?

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      03-06-2013, 02:11 AM   #17
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Quote:
Originally Posted by donaldt View Post
the piggy is there to trick the sensor so that the valve does not open so quickly, and therefore the boost maintains higher
how much does it cost to produce such a unit? probably not much
why does AC and Hartge ask for so much more?
Not exactly....at least the Hartge box I have tried does a lot more than just increasing the boost pressure. There are connectors for Air-Flow mass sensors, fuel pressure sensors, camshaft sensors etc (5 sensors) in order to monitor an array of parameters and also make sure that everything is working within safe limits. If the tunning box detects any problem with the tunning, it dissables it. I am sure the AC unit works in a similar way.
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      03-06-2013, 02:22 AM   #18
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Anyway guys won't be long till the full remap will be available
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      03-06-2013, 02:48 AM   #19
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Quote:
Originally Posted by AC Schnitzer UK View Post
The AC Schnitzer upgrade comes from a company with 25 years experience of racing and tuning exclusively BMWs and includes our own 2 year warranty (extendable to 3 years) on the engine/drivetrain to ensure that you are covered in the event of a problem. Where are TMC going to be when you have an engine problem?
When will the AC Schnitzer upgrade be available in Australia?
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      03-06-2013, 03:49 AM   #20
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Quote:
Originally Posted by dape90 View Post
To AC UK,

Yes, I am sure that the ECU records a lot of technical telemetry from the engine and what ever system a person chooses is bound to have some point recorded in the ECU if an engineer really takes a close look.
Which they would if there was a warranty claim on the engine involved.

Quote:
The thing is that while I am sure the AC system is very good it is also the most expensive at nearly 2000 for my car. I appreciate the warranty that comes with it but your nearest market competitor is nearly 500 cheaper and offers the same engine warranty and similar power and torque gains.
Without wanting to sound arrogant or obnoxious, why is the AC solution so much more?
It's a fair question, and one we naturally get asked all the time. The answer is that the AC system is the most sophisticated, best researched and has the best warranty (check for yourself how long the Hartge engine warranty is - not the warranty on the Hartge parts). That's why AC Schnitzer were the official tuning brand of BMW (until they brought out their own brand - BMW M Performance). In short, ours is the most expensive because it is the best. We know because we used to import Hartge. But, as with most things, you get what you pay for.
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      03-06-2013, 03:50 AM   #21
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Quote:
Originally Posted by Active View Post
When will the AC Schnitzer upgrade be available in Australia?
It should be available now. Have you checked with your importer in the last week?
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      03-06-2013, 05:03 AM   #22
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Quote:
Originally Posted by AC Schnitzer UK View Post
It should be available now. Have you checked with your importer in the last week?
Does this mean they will also cover me if something goes wrong? (they been your appointed re seller/installer here in SYD, Australia?)

cheeers
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