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jake1829

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Posts posted by jake1829


  1. Stainless 304 is fine for standard exhaust manifold (na) applications .. Which can be up to 750c but not sure how hot it would get with wrap. 321 grade is used for higher temp uses such as turbo manifolds. However will your car really be seeing such high sustained temps?

    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


  2. 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 -

    • Like 1

  3. 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 :D

    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

    • Like 1

  4. 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


  5. 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


  6. 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.


  7. 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


  8. 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

    gpnb.jpg

    vz5v.jpg

    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 :(

    oeew.jpg

    wn487.jpg

    y3gm.jpg

    fxxwx.jpg

    lnm4.jpg

    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 :(

    hm918.jpg

    sdkws.jpg

    • Like 1

  9. 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


  10. 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


  11. 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 = :D 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

    • Like 1
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