Remapping

5harp3y

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I've had my M52tu remapped. Quoted figures push it to 211bhp.
I have already had a stainless fitted and a simota air intake.
One thing i can say is the engine is a lot smoother now with out any real powerband as such, top end is very responsive and the car pulls with ease any gear from any rev range.
It is a generic map and wasn't expensive but it has changed the cars characteristics and improved fuelling.
@Bozzy has been out with me when at Tony's and was surprised by the feel of it .
In my view it was worth it it filled in the low end torque as the power curve was changed with the map.
What map did you get and from where?
 

Grumps

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A mate if mine is getting his Foxus ST done tomorrow by junction 29 for £140. He's going to let me know how it pans out.
 

andyglym

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A mate if mine is getting his Foxus ST done tomorrow by junction 29 for £140. He's going to let me know how it pans out.
£140! That's uber cheap mate. Not seen a price that low before?
 

Antm72

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What map did you get and from where?
Used a company called Advanced Tuning its classed as a stage 1 remap cost me £200 and i believe it was worth the spend..
They extract the map send the file to advanced tuning who change the file and its then rewritten to the ecu took about an hour and then a good week or so while it adapted.
 

yocky z3 2.0

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After reading everybody's coments about vanos seals on start up when cold mine rattles till it gets warm, so I have ordered a full set of seals no point doing the manifold mod if vanos not right just need to find time to do it all.
 

Sean d

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After reading everybody's coments about vanos seals on start up when cold mine rattles till it gets warm, so I have ordered a full set of seals no point doing the manifold mod if vanos not right just need to find time to do it all.
How difficult/simple is it to change them.
 

yocky z3 2.0

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Hi Sean looking at the instructions it dose not seem too difficult I have had my e39 stripped down to the stage where it is ready for vanos removel to change the rocker cover gasket I think it is just a matter of taking your time and being careful with the new seals and follow the instructions carefully cheers Tony
 

andyglym

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Hi Sean looking at the instructions it dose not seem too difficult I have had my e39 stripped down to the stage where it is ready for vanos removel to change the rocker cover gasket I think it is just a matter of taking your time and being careful with the new seals and follow the instructions carefully cheers Tony
I seem to remember @Mnbrennan doing it recently with some pics and a few words.
 

the Nefyn cat

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andyglym

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Have a watch of this and get to it.
View: https://www.youtube.com/watch?v=FIXNoHEIpwI
It's fairly easy to do, doesn't need too many tools either. I've done my Z3s seals (2.2) and did an e46 330 last week. Only problem I had was taking a lump out of my thumb with a seriously sharp knife whilst cutting the seals. Used this seal kit for the 330 http://www.ebay.co.uk/itm/BMW-DOUBL...466011?hash=item280f11071b:g:yeAAAOSwa-dWnL5k and no complaints so far.
I take my hat off to you Sir! Excellent info but we'll out of my league :nailbiting:
 

peteslag

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I had my 3.0 Z3 remapped, I noticed the low down torque was slightly improved. 'm not bothering this time round with the Z4 3.0. A good friend of mine remaps cars for a living, I asked him about remapping a 2.0 petrol and he just chuckled and made a reference to "trying to put a staircase in a bungalow". My advice would be to spend the money on a good service, you are bound to see much better gains this way.

Squeezing noticeable power out of a normally aspirated 2.0 engine can be very costly.
 

Sean d

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This is Ants reply

Used a company called Advanced Tuning its classed as a stage 1 remap cost me £200 and i believe it was worth the spend..
They extract the map send the file to advanced tuning who change the file and its then rewritten to the ecu took about an hour and then a good week or so while it adapted.
 

Grumps

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My friend had his ST focus done yesterday and said the difference is night an day. He paid £140 but it is a turbo so it will produce better results.
 

smiffy

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I've had my M52tu remapped. Quoted figures push it to 211bhp.
I have already had a stainless fitted and a simota air intake.
One thing i can say is the engine is a lot smoother now with out any real powerband as such, top end is very responsive and the car pulls with ease any gear from any rev range.
It is a generic map and wasn't expensive but it has changed the cars characteristics and improved fuelling.
@Bozzy has been out with me when at Tony's and was surprised by the feel of it .
In my view it was worth it it filled in the low end torque as the power curve was changed with the map.
that's interesting, care to share where this generic map came from?
 

andyglym

Shiny Dust Caps Make Your Zed Go Faster.
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My friend had his ST focus done yesterday and said the difference is night an day. He paid £140 but it is a turbo so it will produce better results.
A good 50bhp and 100NM increase mate having had a look around.
 

Dino D

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This company had been reccomended to me:

http://www.endtuning.com

Ends Ward who runs it was very helpful when I enquirered and knows BMW's and the 6cul very well.

I enquirered about remapping after the M50 manifold (and larger throttle body) and he advised as follows in great depth, think others will find it useful:


'I can do the software, but not supply the parts. The M50 manifold conversion is pretty popular, and there are accessory kits on ebay which should include all the extra bits you would need providing you have an M50 manifold. The big bore throttle body isn't likely to have a huge effect, but they often come together. I'm not sure if a difference could be felt and they haven't proved to be popular on other makes, or even on a standard M52 manifold which makes it look more like they are done through habit rather than a true benefit.
The ECU can be set up for a larger airflow meter from an M3 3.2, BMW part number 13 62 1 403 123. Again, it certainly won't harm performance, but the original air flow meter might not be causing too much of a restriction.
The same could be said for the silicone elbow, it won't cause any harm, but it will be towards the final points of trying to get every available BHP.

The M50 manifold, silicone intake boot and big bore throttle body can all be fitted without a need to change anything on the ECU, but the larger MAF will require the ECU to be recalibrated to suit.
Other options in the ECU file are EWS removal, reprofiled vanos timing to better suit the M50 manifold, idle speed changes, RPM limiter changes, "limp mode" limiter removal and software updates if needed.

The way I work with the files is that they are modular, so I can make different variations based on different modifications. The MAF changes are a good example, the overall file is target driven, so I set new targets for fueling and advance, and the ECU will choose the best one depending on the conditions. The M50 manifold will flow more air at higher RPMs, but the ECU will look up different values compared to the original as it uses the airflow as an index for engine load.
The more air it takes in, the higher load it is under, and it will automatically use values for the higher airflow, and it’ll self-tune itself for the exhaust and manifold.
The MAF however is a calibrated part, the airflow passing it is converted into a voltage, and that voltage is used by the ECU to figure out how much air has come in. Using a larger MAF upsets this, so a new calibration curve is imported into the file which squares everything up again.

This modular style means only one calibration table needs to be changed and everything else will now work as original, as opposed to every table in the ECU needing to be altered. Without changing the calibration table, the engine would run lean as it would underestimate the amount of air coming in.
The result of all of this is that there is no specific need for it to be set up on a rolling road. The ECU will automatically update and use newer values once you have fitted the M50 manifold, and will handle the exhaust too without problems.
The tuning sets new targets for fueling and advance which will restore the lost lower RPM power from the larger manifold, so the main options are the new base targets, plus vanos switching point changes if the M50 manifold is fitted, plus MAF recalibration for a larger MAF and everything will work perfectly.
All of this can be done through the post if needed, or even onto a spare ECU which can have the EWS removed so it’s able to be plugged in and it’ll fire up when the larger MAF is on.'
 
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