jangy

SWEET!! I am excited. Could you tell it in the butt dyno, too? Any specific areas it feels best (low end vs high)?

We'll be doing full pre and post dynos and data analysis, so there will be plenty to post. The first ride should be rolling through any day now.

jangy

In prepping for my minor surgery, I am taking the E in to get an oil change and check up just to make sure all systems are go!!

Can anyone comment on the RENNTech toe links? I am planning lots of RENN power, and the 295s in the rear, so I am starting to worry about all the flex in the rear. I need to identify all the bushings back there, so I can replace what I can. I wonder if RENNTech would know about that and have any options?

m52e55

pulls like freight train. usually baby car, but recommend pushing card hard (when safe) as the new ecu/software will reset to new hp/tq and car.

jangy

WOOOOHOOO!!! I am stoked!! Have you tested the "ECU reset" trick to see what it does to the mod (if anything). I assume it doesn't affect the programming, but I was wondering if the "learning" part of the ECU is modified with the coding as well.

Can Drive 55

93 HP increase from a pulley and ECU?

jangy

I don't even know what RENNTech claims?? I'll be able to tell exactly what the gains are at the wheels. I'm not big on doing calculations from there, since I have no real clue what the drivetrain drains.

Can Drive 55

I am sure you will do a good job keeping us informed with factual and objective data. I am looking forward to the reviews. Care to say why you went with RENNtech and not Kleemann?

jangy

Sure. I like RENNTech because of their reputation and cleaner link to MB (i.e. ECU codes, warranty support, etc.). I was never looking to milk every last bit of power from it. I wanted the perfect balance of power and reliability, and RENNTech fit perfect. In all honesty, I'd say K makes more power when comparing particular upgrades, but I'd have to say that the downside (troubleshooting, etc) is far less (in my opinion) from RENNTech than any other tuner. It seems like every tuner has had their challenges here and there, and to K's credit, they have been strong with customer support to help alleviate it for theirs. But, I just have not found that many issues with RENNTech to even start with.

jangy

Looks like RENNTech claims about 50 HP and TQ respectively, but that is crank numbers and assuming 469 factory numbers are accurate.

Can Drive 55

I agree with the logic. The closest MB dealership that is a RENNtech dealer is in the Houston area. I have talked to them and they say that the warranty will not be affected by the mods. I just wish there was one in the local area. There is, however, a Kleemann/MB dealership in Dallas. I might have a talk with them, but I think I would rather drive the 250 miles and go for the R.

m52e55

can drive 55,

yes. can see my pre/post dyno graphs on dyno=jet here if search "install renntech stage 1 today..." car was very healthy pre-dyno, but got very big jump in hp/tq gain post RENN. 557/605 hp/tq to be exact and wre hot runs-cold runs may have been at least as good , or better, on dyno.

ROCKETW19

same with me i like the connection with MBZ and there warranty is the best period. its was also huge that i didnt have to send my ECU anywhere.

Can Drive 55

I am in no way challenging your results. I just think you have a great motor. I hope mine responds well, too.

ROCKETW19

cant commenet yet but they are gettin put on right now by tony at euroelites. along with a bunch of other stuff. i will post up my thoughts when done. although it might be hard cuzz i am also gettin LSD.

jangy

Which LSD? What all you getting done?

m52e55

can drive 55,

no worries, bro'...did not think remarks were a challenge. just trying to direct you to graphs for datapoints, if you care. sorry-bad relay on header to search...try "e55 dyno today renntech-1 install"...good luck.

Can Drive 55

Are you going to add the headers someday?

ROCKETW19

quafie (sp?) LSD. i have stage 1 renn.
im addin full supersprint system,ECU update,LSD,toe links,front lip spoiler(C/F from neal), rear deck lid (E63) and movin my lowerin mod to center under cup holder. i think thats it?

m52e55

thought about that. seems given stock ic, that headers usually warrant new intercooler pump sooner/later...have heard good combo w/ at least as much hp/tq gain post stage 1 is tb (tb & ic combo) vs headers (headers & ic). yes, giving some thought, but split time w/ 55 w/ wife on occasion (esp. if bad SF weather , then take our suv). good thing is unlike the M5/Dinan and Carrera (993) I had previous, she still feels stock w/ mods (RT-1 )until you mash and unleash hell. the 55 is BEST car have owned so far-LOVE her dearly (my wife too ). good luck and let me know if any questions-glad to try and help.

jangy

DUDE!! Very nice. That supersprint sounds nice. Hope you feel its worth the $$.

ROCKETW19

i should be close to renn stage 5 while only a stage 1 plus SS. so the $$ worked out fine. you know how much stage 5 is. besides i had a good week so i figured what the F.

psk145

I cant wait for mine

m52e55

WTF. okay, last shot (for you: can drive 55). anyone who gives a $h#t can search "e55 dyno today-renntech-1 install"...that is exact title search that will bring thread w/ graphs. done tonight-mash safely...peace out.

jangy

LOL, I hear ya. You really expect that much from exhaust? I can see the headers, but that would only be a stage 3. Have you done the TB? That may be your bottle neck, and withwhat you've already done, it may almost be needed to really unleash the spirit within. The airbox would be "optional" from a gains perspective.

I'm assuming you are doing pre/post dynos, so do share!!

Either way, as long as you are stoked. Life is relative for us all. Very nice setup.

m52e55

hear tb vs headers may bring slightly better power for $. again, just what i have heard. okay, got to roll,4am NY wake up hours.