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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 335i Turbos - Stage 2 now installed and reviewed!!



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      04-13-2010, 11:49 AM   #331
enrita
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Quote:
Originally Posted by Ham09 View Post
Sounds very impressive Tony and I hope you are enjoying the monster you have created!

When do you think you will have the stage 2 dyno stats?

Also, what would you estimate the total upgrade cost of a bone stock 335i, including all the suggested mods?

well inclusive labor and chassi upgrades probably 15-20 K
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      04-13-2010, 11:57 AM   #332
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Quote:
Originally Posted by Ham09 View Post
Sounds very impressive Tony and I hope you are enjoying the monster you have created!

When do you think you will have the stage 2 dyno stats?

Also, what would you estimate the total upgrade cost of a bone stock 335i, including all the suggested mods?

I'll have the dyno stats in a couple of weeks I think. The car has to have some interior surgery first


Total upgrade cost? Just engine mechanicals?

Remap
Intercooler
Oil cooler x2
Downpipes
Exhaust
Hi-flow cats
Turbos
Engine mounts
Intake
Recirculating valves
Hoses


I think parts alone for the engine will be around 13,000. That's before any other SERIOUS engine work (like pistons and heads). And that's not including labour either!

For the other mods on my car -

LSD
Suspension
Rollbars
Bushes
Arms
Mounts
Braces
Brakes

Maybe about 10,000 parts alone?!

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      04-13-2010, 12:15 PM   #333
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Quote:
Originally Posted by E92Fan View Post
I'll have the dyno stats in a couple of weeks I think. The car has to have some interior surgery first


Total upgrade cost? Just engine mechanicals?

Remap
Intercooler
Oil cooler x2
Downpipes
Exhaust
Hi-flow cats
Turbos
Engine mounts
Intake
Recirculating valves
Hoses


I think parts alone for the engine will be around 13,000. That's before any other SERIOUS engine work (like pistons and heads). And that's not including labour either!

For the other mods on my car -

LSD
Suspension
Rollbars
Bushes
Arms
Mounts
Braces
Brakes

Maybe about 10,000 parts alone?!

So not pocket change then lol. Kudos for being the first (as I'm aware) to push the 335i this far. In terms of 's performance it's probibly good value v other cars of similar performance, plus you got to love the BMW comfort!

I'm guessing the time spent in r&d will make it more affordable for future enthusiast who want to tune their car this level
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      04-13-2010, 12:17 PM   #334
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Quote:
Originally Posted by Ham09 View Post
So not pocket change then lol. Kudos for being the first (as I'm aware) to push the 335i this far. In terms of 's performance it's probably good value v other cars of similar performance, plus you got to love the BMW comfort!

I'm guessing the time spent in r&d with make it more affordable for future enthusiast who want to tune their car this level
I haven't included in the costs the time spent in R&D
Nor the labour

I should stop thinking about it, else I'll start cutting my wrists!


To be serious for a second though, yes it is amazing how much performance has been wrought from this N54 engine. The car is a proper sleeper in every way and it has been fun surprising others with its turn of pace. And you're quite right, I have still have quite a high level of comfort - it's a great continent basher!
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      04-13-2010, 12:27 PM   #335
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So how much is stage two in us dollars? about 3k total plus vat? how much is vat...?

I think I could get all the other components pretty cheap here on the used market... I was just getting ready to sell mine for a m6... maybe I should just sell my sedan and get a e92 coupe plus this.
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      04-13-2010, 12:30 PM   #336
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So how much is stage two in us dollars? about 3k total plus vat? how much is vat...?

I think I could get all the other components pretty cheap here on the used market... I was just getting ready to sell mine for a m6... maybe I should just sell my sedan and get a e92 coupe plus this.
It'll be 3400 for the turbos, plus 350 for the oil lines. Then VAT (which is the UK sales tax). However if you're ordering from the US then you don't have to pay the UK sales tax, but you'll have to pay your own import duty.

So 3750 (exc VAT) at today's exchange rates will be roughly US$5770 plus your import duty
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      04-13-2010, 12:31 PM   #337
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Congrats! There will be some serious sleepers out there in the coming year

Edit: E92Fan, are you running an AT or MT? One of my largest concerns is the durability of the automatic transmission.
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      04-13-2010, 12:32 PM   #338
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What is the major/main difference from Stage 1 and 2? Can you please explain here again? Also, how much does these State 1 and 2's turbo cost? Suppose you send me the moded whole set turbo to me, after I have installed yours in my car, I send back mine to you, any price deduction in case like this?
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      04-13-2010, 12:36 PM   #339
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^
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Birds will in due course have stock of Stage 2 turbos ready on an exchange basis - contact them for more information.
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      04-13-2010, 12:41 PM   #340
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Edit: E92Fan, are you running an AT or MT? One of my largest concerns is the durability of the automatic transmission.
Tony's got an AT. No problems with the transmission so far.

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      04-13-2010, 12:43 PM   #341
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It'll be 3400 for the turbos, plus 350 for the oil lines. Then VAT (which is the UK sales tax). However if you're ordering from the US then you don't have to pay the UK sales tax, but you'll have to pay your own import duty.

So 3750 (exc VAT) at today's exchange rates will be roughly US$5770 plus your import duty
Perfect, I've got cobb tuning (subaru's, evo's, gtr's) down the road... I'm sure they could do the job. Show me some strong pump gas dynos and I'm in. In order to do this quickly, I'll need to find some oem turbos to ship to them, correct? I know there's some differences in the oem turbos... any of you guys know which are best and a good place to find them?
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      04-13-2010, 12:47 PM   #342
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Epic write up Tony and it will be interesting to see the dyno results.
Your certainly pushing the boundaries with the engine and gearbox, that's for sure

Will we be seeing the monster at Dunsfold
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      04-13-2010, 12:55 PM   #343
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Will we be seeing the monster at Dunsfold
Is this a private party?
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      04-13-2010, 01:01 PM   #344
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Quote:
Originally Posted by Renus View Post
What is the major/main difference from Stage 1 and 2? Can you please explain here again? Also, how much does these State 1 and 2's turbo cost? Suppose you send me the moded whole set turbo to me, after I have installed yours in my car, I send back mine to you, any price deduction in case like this?
For the love of God....

No, I'm not going to explain here again. Every single bit of information is totally documented in this thread. Please read and you shall find.

To help you on your way - http://www.e90post.com/forums/showpo...&postcount=240 - that explains the Stage 1 and Stage 2 differences.


The cost is already in my post reviewing the Stage 2 turbos, which I assume you have already read.

I am not the one selling the turbos - I merely had them developed and made commercially available. The cost that I have given is the cost of the turbos if you sent your own turbos in to be modified, and then have them sent back to you. This is not the cost of a complete new set of turbos.

If you want to purchase a complete modified set, before returning your turbos, then you will be initially buying a whole new set, which will incur a surcharge (extra cost) of probably 3000 total. You will get the 3000 back when you send in your original turbos. This is the exchange program.
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      04-13-2010, 01:04 PM   #345
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Quote:
Originally Posted by Cornhusker View Post
Perfect, I've got cobb tuning (subaru's, evo's, gtr's) down the road... I'm sure they could do the job. Show me some strong pump gas dynos and I'm in. In order to do this quickly, I'll need to find some oem turbos to ship to them, correct? I know there's some differences in the oem turbos... any of you guys know which are best and a good place to find them?
The quickest way is to purchase an already-modified set of Stage 2 turbos, pay the surcharge, and once they are installed, you send your original turbos back for a refund of the surcharge. The end result is no extra cost implications for you, and less downtime of the car as you're not waiting for a set to be modified whilst your car is on the ramp.

If you want to buy a spare set of turbos, eBay seems to be a good place to hunt down a set of turbos. I'm sure there are sets floating around.
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      04-13-2010, 01:14 PM   #346
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Quote:
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are you running an AT or MT? One of my largest concerns is the durability of the automatic transmission.
As Marcel has already mentioned, I'm running an auto transmission. It has held up remarkably well with no signs of fatigue or loss of performance. The gearbox is well maintained and the gearbox oil is checked and replaced regularly. It also helps that the flash tune I have historically been using is designed to be kind to the gearbox, as it employs all BMW standard torque tapering characteristics. I think the gearbox has seen over 250 laps of the 'Ring, maybe close to 300? It's a durable beast!!
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      04-13-2010, 01:26 PM   #347
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Thank you very much Tony, that gives me a lot of comfort to know the slushbox can take a beating like that.
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      04-13-2010, 01:50 PM   #348
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Tony,

Did you get a chance to take a look at the pictures of the turbo's?
Rear turbo seems totally different
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      04-13-2010, 02:04 PM   #349
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Tony,

Fantastic! Great write up and I'm glad to hear everything is going so well.

You may recall that I currently have Dinan Stage II plus Dinan oil cooler and intercooler (plus of course a few other bits ).

I don't really want to go all the way down the Stage 2 route but if I simply popped in the Stage 1 upgraded turbos and left everything else as it is would that be worthwhile, or would I need custom remapping? As I mentioned, I'm more into handling and reliability than outright power but I suppose I could do with a bit more than I've got and also ensure there was less stress on the turbos.

Cheers

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      04-13-2010, 02:52 PM   #350
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Holy cow, I can attest Alpinas car is already seriously fast, so I can only imagine what Tony's beast must be like
Hehe... And imagine he's done that with less boost than I'm currently running (JB3 map 7 is around 16 psi max).

It is very likely that I will use GIAC to provide a remap for the upgraded turbos (like enrita will, too). It will be interesting to compare how the flash will handle this compared to the PROCede. I will probably also temporarily run with the JB3, until GIAC has reprogrammed the flash for my car - yet again another opportunity to compare. I'm also looking forward to using the GIAC flashloader for this - switching between a stock-like map, daily driver map and aggressive race map with Methanol sounds good...

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      04-13-2010, 02:54 PM   #351
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Hehe... And imagine he's done that with less boost than I'm currently running (JB3 map 7 is around 16 psi max).

It is very likely that I will use GIAC to provide a remap for the upgraded turbos (like enrita will, too). It will be interesting to compare how the flash will handle this compared to the PROCede. I will probably also temporarily run with the JB3, until GIAC has reprogrammed the flash for my car - yet again another opportunity to compare. I'm also looking forward to using the GIAC flashloader for this - switching between a stock-like map, daily driver map and aggressive race map with Methanol sounds good...

Alpina_B3_Lux
Have you uprated your clutch or flywheel at all mate?
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      04-13-2010, 03:29 PM   #352
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Have you uprated your clutch or flywheel at all mate?
Not yet, no. I intend to do that once I install the upgraded turbos, though. For my current power level (around 420 hp, 580 Nm torque) the stock clutch should be ok, and even with the future GIAC stage 2 plus meth it should still be within limits (I don't intend to do any drag racing).

I'll go with a Clutch Masters FX 300 probably.

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