If you get a 325i up to 400hp you should buy a fucking lottery ticket

 

:spit:

This is Sig worthy!

 

OP, I was going to help you,.............but not now.



Good luck in your HP endeavors,
Rob43

 

I like that the vendor sells a Turbo kit for an e46 from years 01-07 and a V6 motor. Just shows how much time of R&D went into this kit.

 

Was looking at my other options if I end up keeping my 325i in terms of performance mods..


I am looking for turbo charger for it and this website poped up called fastwayracer.com, never heard of them so just posted it up here to see if anyone have heard of them and what people here thinks of em..


Anyways I am looking for turboccharger since it has better flexibility of power it can add but the all known problem is the tuning, yes you can put the turbo in the car and everything but tuning seems to be always have been the problem in non-M e46's... so anyone knows a place who can install/tune the the car in San Diego or Las Vegas Area (or even Los Angeles for that matter since its close by).


The other option is supercharger, but the thing about supercharger is that its very limited and the power comes in at high RPM unlike turbo which can be tuned to lower RPM (was thinking of 3500 to 5k rpm would be the best sweet spot).

Anyone have put superchargers on their 325i? and how is it? how much power did it give? (whp)


Was aiming to reach 400whp if I do end up keeping the car.

Thats some of the more serious aims... If you´re really into building it the kit on your own, i´m confident you´ll find some tool and information on how to pick the right charger. Thats your first task. If you got a charger picked, try to find and purchase it. Remove both cats from your engine and weld a bank-specific manifold which combines cylinder 1-3 and 4-6. lambda probes need to be mounted in the specific lines, much easier to do with that setup.

get yourself an intercooler from a E46 330d and the corresponding A/C cooler at the front of your car. You need some piping to connect the turbo to your exhaust, don´t forget at least one cat :hi: and obviously from the cold-side of the turbo to the intercooler and from there to the MAF. You can change the MAF and the injectors to M54B30 units which are capable of the power you´re looking for.

Tuning the ecu will definately take some time and a bit of equipment like wideband-lambda and exhaust gas temperature, but you don´t have to touch many maps for going FI. :thumbsup: Further you could disconnect the disa unit and re-use that connector for spraying some fluid on the intercooler for further cooling in case you wanna add some serious boost.

You can find some interesting chargers for pretty cheap in used condition, i´d prefer twin-scroll chargers due to their superior spool-up at lowest engine speeds :thumbsup:

If you got the mechanical parts sorted and verified their installation with pictures, contact me for software-support :hi:

 

The other option is supercharger, but the thing about supercharger is that its very limited and the power comes in at high RPM unlike turbo which can be tuned to lower RPM (was thinking of 3500 to 5k rpm would be the best sweet spot).

Who told you this nonsense? It's just the opposite. Turbo has to spin up. Ever heard of turbo lag?

Was aiming to reach 400whp if I do end up keeping the car.

This stuff never ceases to amaze me. You financed a 14 year old underpowered car that's worth maybe $5K at best and you think it's logical to dump at least $5K, and likely more like $10K, into making it fast? Dream on.

 

Who told you this nonsense? It's just the opposite. Turbo has to spin up. Ever heard of turbo lag?



This stuff never ceases to amaze me. You financed a 14 year old underpowered car that's worth maybe $5K at best and you think it's logical to dump at least $5K, and likely more like $10K, into making it fast? Dream on.

lol :facepalm:

 

From other adventures that I've been involved with, can you just move to a stand alone system like Megasquirt? I'm new to BMW and don't know what they can take for boost but I've built other cars and when tuning becomes an issue this is often an option.
Superchargers have huge benefits on an engine that power begins anytime after idle it ramps up and the parasitic losses are greatly outweighed by the gains.
Turbos are great superchargers but they take a lot of plumbing and if your power gains are high then you add many other possible add ons like spraying meth and water then tuning again becomes a nightmare if it's all ready starting to be a hard topic at the start.
Just things to consider.
My other cars a 450whp 2.0 so I can build. If people that are in the know here are stating that 400 is a lot then maybe it is. I just am stating that lots of research needs to be done and re-done. Great to ask questions but sometimes not bad to heed warnings when you're about to potentially invest more then your cars worth.
Builds always go above budget. Things go wrong and then you can blow up a car. My 2.0 talon is on its 3rd engine. In just a couple years. Shit happens when you are pushing your limits and the builds limits.

 

From other adventures that I've been involved with, can you just move to a stand alone system like Megasquirt? I'm new to BMW and don't know what they can take for boost but I've built other cars and when tuning becomes an issue this is often an option.
Superchargers have huge benefits on an engine that power begins anytime after idle it ramps up and the parasitic losses are greatly outweighed by the gains.
Turbos are great superchargers but they take a lot of plumbing and if your power gains are high then you add many other possible add ons like spraying meth and water then tuning again becomes a nightmare if it's all ready starting to be a hard topic at the start.
Just things to consider.
My other cars a 450whp 2.0 so I can build. If people that are in the know here are stating that 400 is a lot then maybe it is. I just am stating that lots of research needs to be done and re-done. Great to ask questions but sometimes not bad to heed warnings when you're about to potentially invest more then your cars worth.
Builds always go above budget. Things go wrong and then you can blow up a car. My 2.0 talon is on its 3rd engine. In just a couple years. **** happens when you are pushing your limits and the builds limits.

Turboing the E46 is a subject that has been beaten to a pulp on this form and others. The M54 is not a very boost friendly motor. The aluminum block will cause the head bolts to start to strip the threads in very high power applications. Then the head will start to lift away from the block. The S52 is a far more compliant platform for FI because of its iron block. The same goes for the S54 in the E46 M3. But one is really looking at $15,000-$20,000 to do a correct setup.

I personally am running the ESS TS2 Supercharger kit. Its a Lysholm 1.8 liter twin screw unit, and I'm only running 8 PSI. That is putting down 256 WHP and 246 lb ft of torque at the wheels. Which for the (M52TU in my case) is a respectable number. 400 HP is really the limit of what the M54 engine can take.

 

The other option is supercharger, but the thing about supercharger is that its very limited and the power comes in at high RPM unlike turbo which can be tuned to lower RPM (was thinking of 3500 to 5k rpm would be the best sweet spot).

wat?

Was aiming to reach 400whp if I do end up keeping the car.

double wat?

 

It they don't like boost then stay away from a turbo. The charge is so much hotter then a superchargers due to the nature.
Lysholm chargers are awesome as they are so efficient, my bahn brenner one was loud as hell but produced loads of fun. But it was on a cast block. 5-8 lbs of boost will add a lot of zip but as stated done properly costs a lot and well maybe saving up and get a faster car.
If you want a fast car buy one that's fast to begin with. Trying to make one that's as fast will cost you more

 

The best result for power in an e46 is a super charged s54 or a completely different motor. I have a 2jz project that I'd love to throw in a shell... just trying to find the right one for a good price. I'd love to get my hands on a e30 coupe for it. Cheapest 500+hp i've ever seen, that's for sure, bought and rebuilt with turbo for under $4k.

 

OP, you need to do two things:

Research how turbo and superchargers work because some of what you said makes absolutely no sense.

Look at your platform and HP goals and come to terms with reality.

 

And just to throw some reality into the mix... I was at the track this last weekend and blew my head gasket. And I'm only running 8 PSI, what does that tell you.... 3.0 TIME!!!!!

 

Nice. Current supercharger will swap over?

 

Yup. The M54B30 is basically the same as the M52TUB25. The internals are just stroked to a 3.0. So I could buy the internals to a 3.0 and swap them in my block. But the cost of doing that will be about the same as just buying a low mile 3.0 long block. So at the end of the day I will actually walk away with more....

<a href="http://imgur.com/BNUIbz9"><img src="http://i.imgur.com/BNUIbz9.jpg" title="source: imgur.com" /></a>

 

I assume you have to buy a new tune?

 

Most likely. I think It will at least run on the current tune, but not to well into boost. I'm hoping ESS will be accommodating and just do it for free... Probably wishful thinking though... It's not like the kit was expensive or anything. ($7,100!!!!!)

 

This thread is closed. OP if you can't take a joke and have to curse at other members then don't here because I don't tolerate that on my forum.


You are not the first person to ask about a turbo on this car. If you searched you would see the costs for this being over $4-6k to have it done right and with reputable companies, not companies that can't even get the engine type right. Go to the forced induction section and spend a day searching there.