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      04-23-2007, 04:38 AM   #1
Rochester BMW
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Tuning the PETROL 335

I've just come off the phone to DMS who told me that they have sold their 335i and have (more or less) gave up trying to re-map the car.... (someone on here told me this a week or so ago aswell but I had to hear it from the horse's mouth)

The reason...? Apparently BMW have installed a 'incripted signature on the ECU to stop it being re-mapped in order to stop it potentially treading on the toes of the M3 when it comes out... and it is proving more or less impossible to brake and they can no longer afford to spend man hours trying to crack the code....

Although there is the slightest glimmer of hope.... he said it will 'one day' be possible, but that will require someone at BMW spilling the beans...

So.... what do I do now? I asked about the Proceed chip that apparently just slots into an empty plug in the ECU and instantly gives you 40hp?? To this question I was told that the Proceed chip HAS to be soldiered in place and therefore kissing the warrantee good bye.... (so im not to keen on that idea)

(im sure someone on here had the Proceed on order, how's that going?)

Other routes are going to Hartge (expensive though)

CA Automotive is also having problems remapping the 335i, but I don't know the latest...

I know there are re-maps available for the Diesel, but its the petrol that's being awkward,

please keep this thread to PETROL tuning only....

Surely I cant be the only petrol 335 owner whos itching to unlesh the best out of this engine... so please help us!
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      04-23-2007, 04:45 AM   #2
spesrf25
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Please check out the Q&A section for the PROcede. As far as I know, no soldering is required.

http://www.e90post.com/forums/showthread.php?t=37494

Q's and A's

GENERAL
Q: Is the Xede a small chip card placed in a free slot inside the ECU panel?
A: Not quite. It's a separate computer box about 1/4 the size of the factory ECU. It sits just next to the factory ECU in an empty "shelf". Very convenient

Q: If the dealer reprograms your ECU, will the settings remain the same with the thought of having to remove the Xede before reprogramming?
A: Yes, the ECU can be reprogrammed independantly of the XEDE. The two are fully discrete from each other. Likewise, you program the XEDE without programming the ECU.

Q: Is the installation simple with no wiring, cutting, etc required and take less then 15 minutes?
A:Correct
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      04-23-2007, 06:12 AM   #3
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There's somthing called the Eurobahn Turbo Tunner as well.

http://www.e90post.com/forums/showthread.php?t=53395
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      04-23-2007, 06:23 AM   #4
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^^^ still going strong.. lol..
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      04-23-2007, 06:59 AM   #5
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Quote:
Originally Posted by Rochester BMW View Post
Apparently BMW have installed a 'incripted signature on the ECU to stop it being re-mapped in order to stop it potentially treading on the toes of the M3 when it comes out... and it is proving more or less impossible to brake and they can no longer afford to spend man hours trying to crack the code....
Do you mean encrypted signature? I can see that being possible, but surely there is no danger the 335i could get near 400bhp... could it?

Video of Hartge here: http://www.autocar.co.uk/VideosWallp...=224541&Mode=B

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      04-23-2007, 07:02 AM   #6
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Raggie,

Ive jest read your review of the TT....

a couple of questions...

1. Is the the TT easily removed for when the car goes to the dealer for a service?
2. Have you noticed a difference in MPG?
3. How does the TT work?
4. How does the TT compare to the PROced?
5. Is there a website for the TT?
How many miles have you done now? anything to report?


and lastly....Where abouts in the UK are you? I would be very interested in meeting up to sample what its like if thats possible?

Cheers
Lee
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      04-23-2007, 07:05 AM   #7
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Quote:
Originally Posted by Z4 Beemer View Post
Do you mean encrypted signature? I can see that being possible, but surely there is no danger the 335i could get near 400bhp... could it?

Video of Hartge here: http://www.autocar.co.uk/VideosWallp...=224541&Mode=B

Im sure DMS we're quoting 385bhp..... how they could quote that without actually doing it is a bit odd though...

Although Im not sure if they 'couldn't' do it.. I just think they they couldn't get it to run well.....
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      04-23-2007, 07:28 AM   #8
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Quote:
Originally Posted by Rochester BMW View Post
Raggie,

1. Is the the TT easily removed for when the car goes to the dealer for a service?
2. Have you noticed a difference in MPG?
3. How does the TT work?
4. How does the TT compare to the PROced?
5. Is there a website for the TT?
How many miles have you done now? anything to report?
1. once the ecu is in sleep mode.. (takes 20min when engine is hot).. about 30 secs to remove and to install

2.. no differance still averaging 30mpg.. 34mpg on motorways

3. it is somehting to do with the tmap sensor.. the 335i ecu has different boost setting for altitude, temp etc.. it makes the ecu think it needs more boost.. apart from that speak to the manufacture..

4.. not owned a proceede... but it will give more power and is tweakable.. the TT is a one shot device.. I do like it because I know in the event of BMW assist being needed I can remove it without tools, by the roadside.. the proceede is a little more complicated to take out..

5. www.eurobahn.us

now up to 2900 miles.. only thing to report is the car still surprises me with the acceleration sometimes..

I live near chemsford in essex.. if you want to try it out you are welcome..
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      04-23-2007, 07:41 AM   #9
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u do 30mpg in a 335?
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      04-23-2007, 07:45 AM   #10
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Thanks Raggie...

Im going on holiday in a few weeks but will PM you after if I can still take you up on the offer... cheers

Ive also just come off the phone to Birds, their engine re-map is £2600! and takes the car to 360bhp... thats a hell of alot of money..! They also added that getting the re-map done without adding the LSD and Anti-roll bars is more or less useless as the car is constantly fighting loosing traction... which means the bill is getting near 5k... silly money.

Raggie, how do you find yours in regards to traction?

and if you were to guess... what sort of bhp do you think its now doing?

and lastly now.... how highly (if at all) would you recommend the TT? Are you happy with it?
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      04-23-2007, 07:47 AM   #11
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Quote:
Originally Posted by Z4 Beemer View Post
encrypted signature?
Yes, the encrypted Infinian processor is a tough nut to crack.



Quote:
Eurobahn Turbo Tunner
European cars are different to US spec cars, emissions etc. Previously with the E46 M3, the Jimmy Conforti Shark Injector works brilliantly with the US spec M3s but they are not optimised for European spec cars. Similarly with other software upgrades. What's the situation with the TT?
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      04-23-2007, 07:49 AM   #12
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i see the flashing yellow light a bit.. but nothing scary.... LSD will help its in the plan.. i think birds are doing it for about £1K ish... so next pay day.. or maybe two.. lol..
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      04-23-2007, 07:52 AM   #13
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Raggie, what (if anything) did you do re: insurance?
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      04-23-2007, 07:53 AM   #14
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Quote:
Originally Posted by skansa View Post
u do 30mpg in a 335?
I was just thinking the same thing. 30-34 mpg?

I got about 14-15 when I test drove one for the day. That was "spirited" driving though
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      04-23-2007, 07:56 AM   #15
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Quote:
Originally Posted by Rochester BMW View Post
and if you were to guess... what sort of bhp do you think its now doing?
Their website claims +40 whp
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      04-23-2007, 07:57 AM   #16
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Ive looked on TT's website and their dyno sheet looks like the standard car was 254bhp and the tuned 335i was 294bhp.... ?????
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      04-23-2007, 07:58 AM   #17
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Procede requires NO soldering; depending how comfortable you are under the hood, installation is fairly simple. The effects in my car are outstanding.
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      04-23-2007, 08:02 AM   #18
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drewKo,

How much was the procede?
What sort of bhp increase would you guess at?
How many miles have you done with the procede?
any problems? traction?

anything else?

Cheers
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      04-23-2007, 08:03 AM   #19
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lots of questions...

Insurance.. like all tuned cars of course its declared.. (maybe.. )

yes.. the obc state 30 mpg average.. 34mpg on motorways.. and if i really give it some over the weekend on a private road i know.. it drops to 28mpg ish.. way more than the RX8 that i had before.. when it does hit the motrway (twice a week) it does have a very long run.. 4 hours or more.. so this must help the average..

BHP.. no ideas.. as they say on the website +40bph ( at the wheels).. all i know is it feels faster responds quicker.. and drives great...
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      04-23-2007, 08:08 AM   #20
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Thanks for answering all the questions....

Your returning amazing mpg figures... when I give it some in my car it will drop to the low teens...

the very very best average mpg ive seen is 22mpg...
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      04-23-2007, 08:44 AM   #21
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sounds that u t trip computer is inaccurate. how many mile to the tank are u getting? I test drove the 335d for a day, was very convervative and got 30.
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      04-23-2007, 09:06 AM   #22
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Quote:
Originally Posted by skansa View Post
sounds that u t trip computer is inaccurate. how many mile to the tank are u getting? I test drove the 335d for a day, was very convervative and got 30.
A conservative test drive? Give it some welly. I got my test car up to 115 mph round some lanes near me, & a bit quicker up the dual track.
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