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12-16-2007, 05:57 PM | #1 |
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ECU reflash for 2007 Z4 M coupe ?
Hey guys,
Does anyone know of a reflash available that will disable the 155 MPH speed limiter on a 2007 Z4M coupe? Ross |
12-28-2007, 11:02 PM | #2 |
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I know Dyno-Comp sells a flash and claims a +13hp, +12tq increase. I am sure they would be able to get rid of the speed limiter as well. Also, I talked with AA today (about a supercharger setup) and they claim to have tunes for the z4 M as well.
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01-21-2008, 12:26 PM | #3 |
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First trip to Kelleners-Sport with my M Coupe
I spent the day with the guys at Kelleners-Sport today. I was the first Z4 M that they have had the chance to mess with and in a matter of five hours, I am certainly pleased with the results. This trip was to determine if they could read the DME and if so, what could be done.
Well, attached are the dyno numbers and graphs. Doing the conversion from kW to HP, I baselined at 328.937 HP with a stock car other than the removal of the charcoal filters. Post tune resulted in 342.226 HP or a gain of 13.289 HP. Not bad for five hours of work. I have plans to drop S54 CSL cams into the engine on my next trip with the CSL airbox and installation of Evosport Headers and race cats. This will complete my engine tuning and I'll then focus on the suspension in time for a nice summer up at the Nordschleife.
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01-21-2008, 02:27 PM | #4 |
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Uhhhh...can I get some of that action?
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01-21-2008, 04:22 PM | #6 | |
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Do you know what parameters are changed exactly? Is this detectable by the dealership? And how much does this cost? |
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01-21-2008, 06:22 PM | #8 | |
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Interested to hear about your CSL airbox modifications? Will you be moving to the Alpha-N management, as the CSL works without a MAF, unlike our cars? I will likely be at the Nurburgring several times this year again, so will look forward to seeing your car there!
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01-21-2008, 08:03 PM | #9 | |
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01-21-2008, 11:31 PM | #10 |
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Kelleners already has it. They have a nice package for the 3.0i. Bimmer had a great article about the Kelleners Z4 3.0i Roadster last month. Give them a call and see if there can be something done stateside.
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01-22-2008, 08:32 AM | #11 |
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So, are they done with the software on your M Coupe? Or are you gonna go back again later for some more tweaking? Is this something we can get stateside?
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01-22-2008, 09:44 AM | #12 |
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ESS has Software for the Z4M done. Here is some info.
performance software for the Z4M. It is $699 and includes about 11hp on the same gas, better response, better midrange, top speed limit removed, slight redline increase, and better startup and cold operation. Optional choices include cat CEL delete (if a customer removes the cats it will disable the check light function but is still visible to an emissions station to be legal), sport mode button memory, and higher octane fuel modes. Testing for US cars will be hopefully done this month. |
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01-22-2008, 10:37 AM | #13 |
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Thanks Rom3n.
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01-22-2008, 12:18 PM | #14 | |
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I will be doing the Alpha-n intake. They feel pretty good about getting it to work with my processor, so we're going to give it a shot. Schrick CSL cams for intake (288 degree duration) and Schrick cams for the exhaust, Evosport headers and cats should wrap up the engine tuning. We were going to stroke the engine to 3.4 liters, but the guy who did the connecting rods is not around anymore (maybe deceased--not sure) so I'll stop with that. I think with the RPI scoop coupled with the Alpha-n intake will be a good combination--time will tell. After the engine, I'm looking at some custom Bilstein PSS10's if we can make them work. If not, I might resort to some stuff TCKline makes, but Pete has been blowing my e-mails off. Oh well--less money for them and more for Kelleners... I still haven't decided on wheels. I want to stick with 18 inches, but I need to check with Stoptech to see if their stuff will fit inside whatever wheels I decide upon since I'll eventually hit the brake department once I hit a shorter track (Hockenheim). I'll keep you guys posted.
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David Brent Last edited by RussRamz; 01-22-2008 at 12:21 PM.. Reason: update |
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01-22-2008, 12:27 PM | #16 |
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Any word on pricing for the remap?
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01-22-2008, 01:33 PM | #17 | |
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The cost of the chiptuning is 1,800 Euro and it works on both the US and Euro spec cars.
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01-22-2008, 01:38 PM | #18 |
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Crank. If you need a translation of numbers on the legend, I might consider it if I get really bored. You can probably figure it out yourself with a German-English technical dictionary.
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01-22-2008, 03:06 PM | #19 | |
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01-22-2008, 07:39 PM | #20 | ||
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Strange. I had no problems getting in contact with TCK from here in the UK. But like you say, if they don't want your money.... I've heard mixed views about the TCK Koni setup anyway (if that was the kit you were referring too), and you can't go wrong with Bilsteins. I've ridden in a couple of cars with PSS9 kits, and they are a fantastic bit of kit. Suspension is next on my modification list, and I'm currently trying to find as much information as I can about all the options (not too easy!) I guess if you get the PSS10s developed, they'll be available for resale after?
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01-22-2008, 09:18 PM | #21 | |
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01-22-2008, 11:26 PM | #22 | |
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As for the price--I know it's a lot, but I've paid for work that will be done at a later time as well (Alpha-n programming for the airbox).
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