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      11-23-2012, 05:09 PM   #1
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RE - 335d turbos on 330d?

As per title has anyone fitted the 335d turbos and injectors to a 330d, then remapped the 330d ECU to match and optimise setup, to get 350bhp ish from a 330d as per a remapped 335d.

Any mapper's out there that could comment on feasability of this.....
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      11-23-2012, 05:51 PM   #2
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Why?
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      11-24-2012, 01:43 AM   #3
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I've not heard of this being done. I did see a 320d on eBay that had a full 335d conversion tho, engine, exhaust, brakes, the lot! Sold for 8k....

Bear in mind, the 335d uses a different block to the 330. Didn't they stuck with the old E46 330d block but obviously add new parts for the 335d? I thought I read that somewhere. The 330d then using a totally new block.
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      11-24-2012, 02:54 AM   #4
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It would be possible to flash the stock 335 dde and other ecu's with the correct hardware changes, but I can't see the insurance company liking it!
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      11-24-2012, 03:52 AM   #5
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Its probably a matter of s

Economics. By the time you've sourced the parts, made them compatible, sorted all the problems, including remapping and persuaded and insurance company to cover it, it would have been cheaper to trade the 330d and buy a pukka 335d.

Not to mention having a car that no one on Earth can service
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      11-24-2012, 04:34 AM   #6
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Quote:
Originally Posted by Frobius View Post
Bear in mind, the 335d uses a different block to the 330.
I thought they were the same engine and hence the same block?
According to this http://en.wikipedia.org/wiki/BMW_M57 the M57TU2D30 variant produces 231PS and 286PS which matches exactly with the power outputs of the 330d and 335d. Surely must be the same engine? . Just, the 335d has 2 turbos strapped to it.
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      11-24-2012, 04:39 AM   #7
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the biggest reason why is they dont make a manual 335d.

Secondly by using the sequential twin turbos from a 335d it would be less laggy than one large hybrid, thats why BMW went down that route, extending the usable rev range on a diesel.

I did not realise the 330d and 335d blocks were diffrent, i thought the blocks and heads were the same. Therefore thought the stock 3335d turbo hardware could be bolted onto the 330d head/block.
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      11-24-2012, 10:11 AM   #8
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Surely it depends on what diesel you have got if the 330d in question is an m57 then it could be feasible but not if its an n57
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      11-24-2012, 11:14 AM   #9
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No.
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      11-25-2012, 06:08 AM   #10
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No.
Intresting and infomative...
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      11-25-2012, 06:39 AM   #11
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lol. Ok NO because.....

Its completely flawed from the outset. The cost of converting including manual labour, parts plus any other unforseen circumstances along the way what be fairly substantial.

Addressing the issue of the manual, I believe the gearbox is different in the 35d thus allowing for higher torque. so you would need to incorporate that into cost aswell.

Boils down to this, why have a manual35d? power? purity?

Im not going to suggest sell your car and buy a 35d, thats just well easy and still will not solve the issue.

Instead why dont you uprate a few bolt parts to help it breathe better then map. then focusing the money more on handling. Changed the softer bushings for harder ones, get some decent suspension, dial in some more camber and get some decent rubber.

If done right, then you will easily beat a 35d round a track, have the purity of a manual, and good economy and also get great steering feedback and response.

To me thats a no brainer really.

And if all of this sounds too long... then just buy a GT3.

Happy?
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      11-25-2012, 07:21 AM   #12
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Quote:
Originally Posted by A_P View Post
lol. Ok NO because.....

Its completely flawed from the outset. The cost of converting including manual labour, parts plus any other unforseen circumstances along the way what be fairly substantial.

Addressing the issue of the manual, I believe the gearbox is different in the 35d thus allowing for higher torque. so you would need to incorporate that into cost aswell.

Boils down to this, why have a manual35d? power? purity?

Im not going to suggest sell your car and buy a 35d, thats just well easy and still will not solve the issue.

Instead why dont you uprate a few bolt parts to help it breathe better then map. then focusing the money more on handling. Changed the softer bushings for harder ones, get some decent suspension, dial in some more camber and get some decent rubber.

If done right, then you will easily beat a 35d round a track, have the purity of a manual, and good economy and also get great steering feedback and response.

To me thats a no brainer really.

And if all of this sounds too long... then just buy a GT3.

Happy?
This car is not going on a track, it was purely to get 350bhp with lots of torque and good throttle response in a manual diesel.

Iv'e been down the daily driver occasional track day car previously and it just ends up being too compromised one way or the other. Have dedicated machinery to get my racing kicks...

I know the clutch will require upgrading along the way, the gearbox should be ok, should also fit a LSD diff along the way.

Labour wise I am more than capable of doing the conversion, just after knowing if anyone had tried it previously, what parts fit/require fabrication.

From what i'm hearing it looks like no one has actualy sat down with the parts and looked at what fits.

One of the biggest barriers i can see is how the sequential turbos switch over, if its a mechanical process as a Toyota Supra or Mazda RX7 there should be no problem. If its electronic/ECU controlled then it may be a show stopper right there????....
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      11-25-2012, 07:31 AM   #13
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oooooooh kaaaaaay... That changes alot, ok so exploring the 35d turbo route. Mate I am not sure, Im not ur guy for that. However what I can tell you is that in these cars, virtually everything needs to be coded.

Battery coded, lights coded, seat stuff coded, injectors coded. Why dont you speak to Makkan. He is knowledgeable in coding. He may be of help.

My initial response is still NO. I wanted a do it all car, and got the E46 M3, and its flipping ridiculously good.

However kudos for thinking outside the box. If you do, do it I wish you all the best. .

Any pics of your track toys?
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      11-25-2012, 07:52 AM   #14
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Buy a 335d

Fit a 335i gearbox.

Job done.
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      11-25-2012, 08:37 AM   #15
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Would be a really interesting DIY, especially on the N57 engine. Imagine 335d power with the economy of the N57 engine!

I hope they update the 335d to the new block for the 4-series.
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      11-25-2012, 09:17 AM   #16
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Quote:
Originally Posted by phil200tdi View Post
Buy a 335d

Fit a 335i gearbox.

Job done.
Now that's a bloody good idea. You have the brakes etc... already sorted then. A LOT less work than converting a 330d into a 335d.

Or could even put DCT in it.

Slight problem though, the gear ratios are prob all different as they would be set up for the high revving petrol.
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      11-25-2012, 09:34 AM   #17
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Quote:
Originally Posted by Number55 View Post
I know the clutch will require upgrading along the way, the gearbox should be ok, should also fit a LSD diff along the way.
The biggest problem you'll have is one AP already picked up on,which is the gear box.

The box on the big D is rated to 700nm,which is probably more than the manual box on the 330D,so even with an uprated clutch,I still think you're going to be stuffed in that respect.

I'd like to think that BMW looked into a manual 335D,however it's rumoured it was ruled out owing to the huge torque the engine produces,it could of course be just web chat though

I like your thinking though,and good luck with it should you go ahead,a 350bhp manual diesel would be a hoot
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      11-25-2012, 12:04 PM   #18
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My 335i has 510lb/ft of torque. Similar to a mapped 335d.

Single turbo and RB turbo cars have much more. Clutch is the weak link not the gearbox. I'll get an ACT street clutch when the time comes. As mines on 94k miles now, it's not done too bad!!

Change the rear diff to a 335i manual one too - should work ratio wise..
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      11-25-2012, 03:58 PM   #19
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Quote:
Originally Posted by A_P View Post
oooooooh kaaaaaay... That changes alot, ok so exploring the 35d turbo route. Mate I am not sure, Im not ur guy for that. However what I can tell you is that in these cars, virtually everything needs to be coded.

Battery coded, lights coded, seat stuff coded, injectors coded. Why dont you speak to Makkan. He is knowledgeable in coding. He may be of help.

My initial response is still NO. I wanted a do it all car, and got the E46 M3, and its flipping ridiculously good.

However kudos for thinking outside the box. If you do, do it I wish you all the best. .

Any pics of your track toys?
Sept this year,
http://www.np.rpsys.net/karting/wl2912/SS2_6024c-x.jpg

Last year number55
http://www.np.rpsys.net/karting/wl37...ON_2285c-x.jpg

also have a R33 GTR Skyline, will post some picks of my track car i sold recentl when i get 10 mins..
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      11-26-2012, 10:19 AM   #20
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Quote:
Originally Posted by phil200tdi View Post
My 335i has 510lb/ft of torque. Similar to a mapped 335d.

Single turbo and RB turbo cars have much more. Clutch is the weak link not the gearbox. I'll get an ACT street clutch when the time comes. As mines on 94k miles now, it's not done too bad!!

Change the rear diff to a 335i manual one too - should work ratio wise..
Avoid the ACT street, mine only lasted 15k. I've got a HPF feramic but regret not getting a Spec which IMO are the best available for the 335i.

To the OP, I know I'm biased but why not a manual 335i? With all the money spent attempting to do the conversion, you could spend it on fuel and modifications
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      11-26-2012, 10:25 AM   #21
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Quote:
Originally Posted by Number55 View Post
Sept this year,
http://www.np.rpsys.net/karting/wl2912/SS2_6024c-x.jpg

Last year number55
http://www.np.rpsys.net/karting/wl37...ON_2285c-x.jpg

also have a R33 GTR Skyline, will post some picks of my track car i sold recentl when i get 10 mins..
Nice Karts mate. Would love to see some pics of the R33. I have a real soft spot the skyline. That rb26 is a marvelous thing.
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      11-27-2012, 05:09 PM   #22
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Is is a better option to explore hybrid turbo?
At least its a simple bolt on and firmware then.

EDIT: just Googled this for you.
http://www.turbodynamics.co.uk/news/...330d-power-by/

I know you like spannering (As I do) but perhaps they will sell you the snail?

Cheers - keep this going - Steve.
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