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      03-15-2019, 05:12 PM   #118
wjjkoevoets
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Drives: BMW M235i (8AT)
Join Date: Aug 2015
Location: Breda, NL

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2014 BMW M235i  [0.00]
Thanks for taking the time to respond. Much appreciated.

Quote:
Originally Posted by SeanWRT View Post
Everything I said applies to M235 EWG, except:
1) M2 turbofold is bit more free flow. So expect better ignition timing and lower EGT (exhaust gas temperature, a critical reliability/consistency indicator) with M2.
2) G Power doesn't seem to offer 500hp version turbo to M235. Though M2 version probably will physically fit M235. Don't quote me on this, double check with them.
1) Sure, makes sense.
2) My bad. I thought the M235i application was practically the same as the M2 application (price is identical on their website). I will check with GP.

M2:


M235i:


The software tune they offer is 450PS for the M245i and 500PS for the M2.

Quote:
Originally Posted by SeanWRT View Post
With TTE and Pure, you can pay core deposit (refundable) so they ship you the entire turbo (inc. turbofold). And you ship back your old core when you finish the swap, and take your deposit back if your old core pass their quality inspection. There is no down time with your car.
Sounds like I really have to reach out to the local TTE dealer then. Their website does not offer a core deposit option. If they really do offer a core deposit option over here, the TTE almost becomes a no brainer.

Quote:
Originally Posted by SeanWRT View Post
G-Power does not accept core exchange, or so they told me in May of 2018. You either ship them a core for modification, or buy a new core from G Power (they source from BMW), or drop your car at their facility so they build the turbo and install it for you.
That's OK, depending on their response to my e-mail it may very well be worth an 8-hour drive to their shop

Quote:
Originally Posted by SeanWRT View Post
I chose to buy new core because:
1) I'm Asia based, I can't afford to have quality issue.
2) I can get VAT refund as a none European Resident.
3) I can have my old core upgraded to PS2/GP500/TTE460 and sell it, which I did.
4) G Power is special. A new turbo adds to its specialness
Makes sense, thanks.


Quote:
Originally Posted by SeanWRT View Post
I would argue TTE460 is a strong contender for the best bang for the buck, whatever gas you use. I still remember how my Dinan turbo got destroyed by a local TTE460.
At this day, that particular TTE460 (maxed out on pump gas by Halim) isn't much slower than my GP500 though I have power headroom. My 100-200 time is 8.0-8.2s, TTE460 being middle 8.5s. For benchmark, FBO stock turbo is low to middle 9s. FBO Dinan turbo is high 8s to flat 9.

TTE460, I really can't recommend it enough. Tremendous value for the money.
You really are making a strong case for the TTE460, darn!

Quote:
Originally Posted by cecaa850 View Post
Isn't the TTE460 twice the price of the Dinan?

https://www.etektuning.com/tte460-tu...r-for-bmw-n55/
vs $1749 (I'm getting mine for $1500) for the Dinan.
US vs. EMEA/APAC price differences I guess. A TTE460 would cost roughly $1,870.- here. Dinan would probably be around $2,000.- and a PS2 at least $2,800.- over here. Then the TTE460 suddenly becomes VERY interesting
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BMW ///M235i (EBII) - BM3 (+TCU) - Wagner DP - ER CP - ER TIC CP - CSF FMIC - GFB DV+ - Pure Inlet - K&N Drop-in AF - MPE

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