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Posts posted by jake1829
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Fair enough. It's always a good idea to upgrade the intercooler with the increased boost. Though it all comes down to driving style in a way. 95% of the time I shift at 3,000-3,500 rpm and treat the car kindly. The other 5% is during on ramp blasts and overtaking manoeuvres. I probably won't worry with a larger intercooler because of that, but I would if I spent more time on full throttle.
If I was only doing Highway / city driving in the car - wouldn't get the IC + other mods -
But I take my car quite regularly to track days, so heat management is a issue -
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These are also an incredibly easy car to extract big power and torque from. The OP is right. Buy a Cobb Accessport V3 for US$900 and you have an immediate 380 bhp machine with 520 Nm of flywheel torque on tap with no loss in driveability. It is an immense powerplant! Not that I am biased.....
Needs the supporting mods imo - especially on the cooling side -
Platform imo is pretty impressive where without touching the engine or turbo's you can gain
on 98 - 100HP gain
E40+ - 140+HP gain
Guys in the US with their single turbo upgrades are running over 700+ RWHP and still haven't found the limits on the oem parts in the engine yet.....
Hi Krish,
I'm purchasing a Cobb AP3 next week direct from the site. I've been in two 335i's that are running the Stage 1 aggressive set up, and it is just a whole different animal. The car really wakes up and shows its potential. Both cars had no other mods, which is how I'll keep mine. I like the sound of the stock exhaust and if you look under the car you'll see the pipework is pretty big from the factory. I think the downpipes only add another 10-20 bhp, and it is a lot of additional expense and hassle to do that as far as I know but I could be wrong there.
Interesting to hear about the stage1 maps, as with the last dyno day the other two 335i's were running the cobb, quite a big difference between the 2
Driftracewake was running a stage1 cobb map and Josh was running a PTF Cobb map -
Found the DP's were about 30-35hp dyno gain... so substantial , less back pressure etc
Wait till you run a ethanol map on the car, that's when it really wakes up
Cool thanks for the
I have done charge pipe and the cat back exhaust next will be the cobb
Let me know how it goes if you don't mind but I will get one regardless JB4 is cheaper but I like the easy of use and install of the cobb
Thanks for you info too
Am running a stacked setup, where I have a flash map loaded like the Cobb doing fueling, vanos etc + I have the JB4 controlling boost and few other functions
btw krish - are you running the Alpina TCU flash on your AT? - if not should look at getting it
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EJP333 smoking up SH20 getting off at Neilson St. love the twin exhausts, though it seemed to be blowing condensation with a tinge of blue??
Ya... I know
looks like the valve stem seals need to be replaced - am sorting it out in the next couple of weeks
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Very interesting - was really keen on getting these seats but the single seatbelt was putting me off - it maybe a option now with this kit
http://www.ecstuning.com/BMW-E92-335i-N54_3.0L/Interior/Seats/ES2500621/
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Thanks for that, they'll get back to me. For those that have had these fitted, any huge difference in power? If so, what mods are you running?
about 35hp on the dyno for my car - but your turbo's will be much happier as they can "breathe" properly without any restrictions
also need to get rid of the secondary cats in the exhaust for the full flow
BMWorkshop Botany have done all the work on my car - highly recommended
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I would change the spark plugs - gone through 2 sets of OEM plugs and on my 3rd set in a year of owning the car.
Tho my car is tuned etc , done about 25k and tracked regularly in that year.
edit**
would also get a walnut blast done to clean your intakes if never done - n54 is notorious for having gunked up intakes
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Suresh, what are your thoughts on an SCed M3? (purely out of curiosity)
Hey Tristan
Since Gintani released the twin turbo kit for the M3, not sure on the SC option anymore!
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Nice 335 but by the time you modded all of that it might as well have cost you a M3 anyway?
Long Story Short: spent way less and way faster then the m3 version.
here's a e92 M3 versus my 335i: https://www.youtube....h?v=nGi-ymoPMrQ
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Some footage captured on a "PRIVATE ROAD" - don't bother asking me where or who's road
M5 & FBO 335i having some fun on a private road. Unfortunately it started raining 10 mins after we got there, here's some footage from the session
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Spotted Suresh in Greenlane today - no time to take a photo though... Looking good as usual!
Cheers
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With the I-drive on imports - the UK version from my understanding just needs to be re-programmed or have the NZ map CD (CCC or CIC)
Jap imports I heard - you have to change the hardware to get the NZ maps working -
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Hi Suresh sorry to hear about the dramas! Yes arn't those insurance companies fun, i dug my toes in and got them to pay for half. At least you got the amount of your policy back to help contribute, though not ideal. I hope the car is now running sweet.
Hey , ya after hearing about the drama you went through with yours , was kinda expecting it tbh. Yes not ideal but at least it was about 1/2 the total cost.
Car seems to be running fine, will be doing some log runs over the weekend, am hoping with the new turbo's I'll be hitting boost targets at certain RPM , old turbo's were always about 1-3 psi down from where the map was aiming.
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What sort of cost was the turbo replacement?
Around 4.2K
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After the Taupo meet, on the way back to Auckland on Monday - noticed a lot of smoke coming out of the exhaust
Typical sign of a failed turbo seal on the N54 - confirmed at BMworkshop that it was the front turbo seal that had gone.
I have a mechanical warranty with AA that is underwritten by Vero which is the Autosure crowd. Logged a claim and waited.....
Guess what - they said they wouldn't cover me as i had modified the car etc. I informed them of the email that was sent to them back last year once all the mods had been installed. Claimed they never got it, but of course I provided them proof on the email and the reply back from one of their reps with the invoices they requested etc
Finally they got back to me and said we shouldn't have covered the car with the degree of mods that I had done and that they don't cover you if the cats are removed and the factory CAI system is removed. They offered me a full refund on the policy that I had bought so I took that as I really couldn't be bothered going through the whole thing with them
But typical insurance, you follow their terms and they try anything to get out of it.
So I replaced both turbo's as they had done 65k on them. Was interesting to see how much shaft play was on the old turbo's!!
Waiting on the test results from the after-market HPFP solution before I'll look at doing the upgraded turbo route
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Very nice, am running the Apex EC-7 18inch wheels for track days <3 them with semi slicks
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No issues with my netflix or hulu plus streaming
with maxnet (vocus) for my internet and using unblock-us
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Installed my Duke Dynamics CF Diffuser and new CF sideskirts , now on the hunt for a new lip
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Quick update:
Last session @ hampton downs back in early april was a expensive day for me
Looks like the glue on my front lip gave out and the screws I had installed didn't save it from the damage after 1 lap
Pretty much one of the last sessions in the afternoon - I noticed from my rear view mirror that there was smoke coming out of my exhaust , quickly pulled off into the pit lane where once stopping the car, engine oil suddenly dumped all over my right hand front wheel - one of my oil cooler lines had "frayed" on the air con housing fan
Installed the following bits on the car:
M3 Front Upper Control Arms
M3 Front Lower Control Arms
M3 Rear Rod Guides
M3 Rear Upper Link Arms
M3 Front Sway Bar
Megan Racing Toe Arms
Only thing that didn't get installed was the M3 subframe bushing - as no one had the tool
Definitely noticed the difference in handling
Had the Apex EC-7 18's with Toyo R888 installed , unfortunately I had to raise the suspension level by 15mm to avoid issues with the front wheels
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Well, that just makes them all the more compelling!
Just a example of gains you can get on the stock motor & turbo's (baseline with oem map was 238HP)
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have you put any thought into the fact that you may need to look at injector sizing when moving to E85? the power density of E85 is lower than petrol, so you need to bump the size up appropriately (I think in the range of 1.5x)
what else are you doing with the fuel system? usually a low pressure pump is to pull fuel to a surge tank then high pressure lines to the rail.
also great to meet you today, very well modified machine
DIdn't see this till now
Nah no need to change injectors - the OEM ones are rated something silly like 2000 or 2200CC
To run E85 on the 335i (with oem turbo's) - your stock LPFP can handle 20-30% mix of e85 - anything more you need to either replace your LPFP to a aftermarket one or run a inline LPFP
The issue with the guys running upgraded turbo's with e85 is the HPFP can't handle it - but looks like a aftermarket HPFP is going to be released soon to hopefully solve the issues
http://www.bimmerboost.com/showthread.php?54471-HPFP-Tease
EDIT***
Looks like pricing and info are out on the HPFP upgrade: http://www.bimmerboost.com/showthread.php?55345-VTT-quot-Shotgun-quot-HPFP-upgrade-announcement-558WHP-612WTQ-Stage-2
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Sorry off topic how much did that software tune cost?
Depends on the route you want to go (flash or piggyback or both) - the below have OTS (Off the shelf maps) for various stages of modification -
Open Flash Tablet ($499 US) http://www.procedetuning.com/BMW/n54/Openflash/index.html
JB4 ($509 US) http://www.burgertuning.com/jb4_pnp_BMW_performance_tuner.html
Cobb ($995 US)http://www.protuningfreaks.com/tuning/cobb-ap-tune.html ( comes with a custom tune)
Bimmerboost Software (Free) - you just need to buy the cable ($179 US) http://www.burgertuning.com/scanner.html
Important thing is to log when doing map changes to see how its affecting the car
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I'd vote for the 335i touring. 225kW / 400Nm claimed output, but I have seen a few threads around that claim BMWs figures were a tad conservative. Wiki claims one 'independant' test produced 248kW/422Nm, though it was conducted by Dinan, so my inner sceptic is a little dubious.
Touring +300lb/ft = Go for it!
they came out way under-tuned from factory so not to wreck their M3 sales
with just a software tune on the 335i - you can gain a easy 60-80HP
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Owned the 335i for a year now - and loving it
Exhaust Wrap
in Performance
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I think Steve has the same downpipes as me, AR ones?
I got the ceramic coating on mine : http://www.ardesign.info/store/ar-design-bmw-135i-335i-3-hi-flo-catless-downpipes.html