The Evolve one is handled by VS Motorsports and they're based out of Illinois. Their tune costs $595 plus an additional $95 labour fee for a total of $690. It comes with 14 days money back guarantee if you're not happy with the tune.:
Both good tuners, so I don't think you could go wrong either way. Evolve is very popular in Europe with many many happy customers. Both tunes require that you take your car/ecu to a local Evolve or Renntech dealer to have it flashed or alternitively ship your ECU in. I should also let you know that Dinan will be releasing their tune for the 335d so you may want to wait and see what they have to offer. I would guess price will be comprable or north of the Renntech tune.
I'm not too keen on piggyback stuff like the JBD. Mostly paranoid I supppose that more harm will come from it down the line.
Thanks about the Dinan info. Do you know where their local dealers are available in North America? Also, how can the Evolve tune be at such a lower price in comparison to the RENNtech and most likely the Dinan one too?
@3ismagic# you have to remove the cowl area and then the box next to the passenger side, i highly suggest you wrap your ECU with bubble wrap and tape it good and place it with Large ZIPLOC bag just in case the box gets wet. I hand held mines when i went to RENNtech during thanksgiving time.
@GeekboyD I beleive the european tuners are more knowledgable than the rest over here with the"D". I have used RENNtech twice once on my 02 MCS and now the "D". I stand by them since their product has never failed me. JBD I understamnd is very good as i have heard, downside is you have to either hide it or remove it, RENNtech flash is great BUT, if they (STEALERSHIP) does a reflash then youre out of luck, good thing RENNTECH will reflash again BUT again you have to ship it. As far as performance lets say from a stanstill DSC OFF with 19" VMR710 I can leave almost tire mark of almost 5 feet if I wanted. I am getting better mileage anywhere from 23-25 city in the city. Ive seen the computer say 40mpg but I beleive it was more 42mpg in the hwy, since I live here in Puerto Rico it is very hard to do Hwy Mpg, but overall Im getting 25mpg combined, to much freaking traffic!!
@Concentric190 good luck with ur tune, if it's as good as RENNtech's you will be amazed at the power and you will be kicking some Porsches asses,you can take that to the bank.
I wonder how the european tuners go about adapting their maps for the USDM cars. I'd like to think they must have someone here testing the maps before they release them for sale but, I never seen anyone posting anything about it . The biggest difference is obviously the DEF system the US cars use but, lower fuel quality here is also something to consider. That is one area Dinan may have an advantage being based out of California. That being said the bang for the buck with them has never been stellar and you can likely expect what ever they put out to either under perform and/or be over priced.
I just wish one of these reflash companies had a large enough tuner network to have a shop in most major metro areas. I'd be much more inclined to do this if I could drive somewhere within an hour or two to have the map reinstalled if need be.
I'd like to think the reason it took 2-3 years for the Euro tunes to show up here is because they were in fact testing and possibly changing things for different conditions(fuel, cars emissions, etc.). If that is not the reason it took so long then I'd be curious to know what was the reason for taking so long.
I'd like to think that as well but, based on what I've seen in the past I'd be surprised if it were. From what I understand when the US got the D was there was some new encryption that took a while to find a way around.
For some reason the BMW aftermarket seems to move fairly slow compared to the japanese and american markets. Look at how long it took for the 335i to get reflashes. I believe it wasn't released until the end of '09. Turbo kits, fuel pumps same story... When the Evo X launched AMS had the head off and being ported within a week.
@hotrod ur best bet if so desired is to go to RENNtech which would seem close yet so far away Lake Park, Florida. I would say somewhat like 9 hrs away by car or go the JBD way which is Piggy Back, its your car and your choice either way you wont regret the power you'll get from these companies!!!
I just looked the M-B dealer about 1.5 hours away is a Renntech dealer. I wonder if they could do it? It would be kind of funny getting your BMW tuned at an M-B dealer.:rofl:
I'm not doing a piggy back again. I had a procede on my 335i and wan't impressed. The power was great but, the car would occasionally lurch on part throttle, have to chase the setting when the temp changed, constantly getting nickel and dimed for updates that fixed things that shouldn't have made it to market to begin with. F-that. I'm not saying the JBD is the same way but, I'd rather not mess with an external unit.
I dont think MB will tune a Bimmer but go ahead call Bob @ RENNtech and ask if they can go that way and He will talk to Hartmut owner of RENNtech to see if its viable, which I doubt it, but you never know!!
I dropped my car off to RennTech last week. I decided it was time to move forward from my Dinan Stage 3 tune to see what RennTech has to offer while taking advantage of the Dinan mods.
Professional, legit tuner company. These guys are like Dinan, they make manifolds, DPs, etc. They have full manufacturing abilities to build anything for engine and body upgrades
I know the owner personally, talk with him all the time on the track and the shop, really cool guy. Leni is their ECU/DME tunner, very humble and polite.
I am soo 110% positive about this compnay I put my warranty on the line, and I have had my car for only 8 months NEW. I dont even break a sweat about my 62k 335is being in their care.
If you are looking for results I will post some as soon as I get my car back. Their shop is literally 15 minute drive from where I live.
One other person briefly posted about Renntech on their 335d.
Does anyone know if the ecu reflashes change transmission functions any? I know they do on some other make/models but did not know if even possible on these.
So I guess that 358 HP number is an at the flywheel number that they figured out a drivetrain loss via a dyno run? I say that since the 265 factory rating is at the motor right? Personally I think I prefer to see a dyno chart of the same car stock v. with the Renntech tune and preferably on the same day/dyno.
@ BuraQ, Harmut is a COOL Dude and always willing to assist you, Lenny my man is a Guru his 335i I understand is a MONSTER. BuraQ you wont go wrong with RENNtech Ive used them twice with no regrets!!
@snipe I did my before and after runs i clocked @ 230 on wheels before tune and 300 on wheels after the tune, figure out the math lets say 65 ponies more what do you thinK? Buuyyaaa!!!!
sorry i cannot help you on the torque numbers, as i recall I did my runs with the DSC track off not done with the DSC COMPLETELY OFF. And BTW these guys did not know how to get tq numbers since NO ONE had ever done a DIESEL dyno before!!! Will try to get another run in the future meanwhile Im getting ready for the 1/2 run to held on March 24, hopefully I will have the CORRECT Amsoil filter on this time, will keep everyone posted ok!!
I guess I haven't been reading up, I didn't realize JBD gave us 300+whp. Someone has confirmed this?
I can feel the difference, but it doesn't feel like that much. My track times don't show it.
True but that also is why I said originally that I'd prefer to see before and after dyno charts done to the same car and preferably same day. I think most everyone realizes a dyno can be manipulated to post all sorts of numbers. I personally think posting up estimated fwhp numbers like Renntech is "fishy".
A lot of the larger tuning companies rate by flywheel power. I think it's because most of them regard themselves more as manufacturers (almost like Brabus) and want to people to compare to the OEM rated numbers which are flywheel.
Even if you had a before and after data for the renntech tune you still couldn't draw comparisons to another tune unless you had a good data base of what other tunes or the same car did on that dyno with the other tunes and there just isn't one for the d yet.
Bottom line is that JBD dyno on their page has higher numbers than I've seen a lot of others post, most seem to be in the 270-280 range (settings obviously add a variable to that) and if you are going to discount every other tuners claims you should apply the same logic to it.
There is no reason to think a reflash can't make as much or more power and torque than a plug in module.
I never was trying to engage in an argument on this but clearly has happened so I am exiting the discussion. But to answer your question what I read on Euro forums, sorry but I don't bookmark such things and would have to go googling to find it.
For the record I dyno'd my car a few months ago w/JBD (before exhaust) which was set at about 80% and my peak HP at the wheels was 294 whp. No torque figures because the shop did not have the latest software for the LCI. I suspect the results would be 300 whp or more dialed up to 100%.
Below are the dyno results from a guy I know locally who took his car to Mach V in VA to get dyno'd - they have a real nice set-up and the latest software. He tested the JBD at set point "0" then at 100%.
4th gear:
Run 1: 300.17 WHP, 445.08 WTQ
Run 2: 301.51 WHP, 442.44 WTQ
Run 3: 267.16 WHP, 415.57 WTQ (JBD set to 0%)
He also did some 5th gear pulls.
5th gear:
Run 1: 296.88 WHP, 474.31 WTQ
Run 2: 299.58 WHP, 468.57 WTQ
Run 3: 299.01 WHP, 465.29 WTQ
Our cars are rated at 265hp at the crank. Assuming a 20% drivetrain loss stock horsepower at the wheels is approx 212 hp. HP output between the two is pretty close, not sure what the torque curve looks like on the Renntech tune.
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