[zinner]

Anyone have experience with using nitrous on the N55?

I have a kit sitting from a previous car and it was used in combination with a Eaton supercharger on a 4 banger. I did 100 shot with 16 psi.

[//M]

Poor idea the N55 runs very lean already. Fueling would be a serious problem. Its not like you can add fuel on demand with the Direct injection and what are you gonna setup a second fuel system for port. It's not gonna happen.
Sell the N02 and get a meth kit.

[Polo08816]

Originally Posted by zinner

Anyone have experience with using nitrous on the N55?

I have a kit sitting from a previous car and it was used in combination with a Eaton supercharger on a 4 banger. I did 100 shot with 16 psi.

Originally Posted by tifosielia

Poor idea the N55 runs very lean already. Fueling would be a serious problem. Its not like you can add fuel on demand with the Direct injection and what are you gonna setup a second fuel system for port. It's not gonna happen.
Sell the N02 and get a meth kit.

But the point is that with NOS you will win because any real racer knows that it doesn't matter whether you win by an inch or a mile, winning is winning!

to that 400 shot of NOS.

[RoundelM3]

By all means, feel free to add a nitrous kit to your 3-liter turbo inline-6 with direct injection and see how long your pistons and head gasket last. After all, these cars are a perfect choice for drag racing and generally beating the hell out of.

[ErkanTR16]

Originally Posted by zinner

Anyone have experience with using nitrous on the N55?

I have a kit sitting from a previous car and it was used in combination with a Eaton supercharger on a 4 banger. I did 100 shot with 16 psi.

https://www.youtube.com/watch?v=-bfTx8RSrXY

[zinner]

Originally Posted by tifosielia

Poor idea the N55 runs very lean already. Fueling would be a serious problem. Its not like you can add fuel on demand with the Direct injection and what are you gonna setup a second fuel system for port. It's not gonna happen.
Sell the N02 and get a meth kit.

Well I got the idea when I saw the "fuel-it" folks on n54 tech selling TBI systems for the N55, I figured there was extra fuel on the Low pressure fueling side if they were using it for extra fueling for big turbos. It would be a wet shot so no extra fueling by the injectors.

[Mike@N54Tuning.com]

NOS isn't really popular on these cars, but if yo uno do it or find someone who did post some pictures.

Stick with a good tune and Meth injection if you need to spray something

Mike

[BMW GENIUS]

What if its just sprayed on the intercooler to drop IAT's? would that have a safe effect or would it still be running too lean?

[Ray knight]

if you can tune the system to cut off at say 14psi boost you could use it to get the turbos spooled up faster and it should be safe enough. i would not use it under full boost though unless you want a rod through the block!

[Polo08816]

Originally Posted by roundel335

By all means, feel free to add a nitrous kit to your 3-liter turbo inline-6 with direct injection and see how long your pistons and head gasket last. After all, these cars are a perfect choice for drag racing and generally beating the hell out of.

Non sense. An engine doesn't appear on a Best Engine's list unless it can handle 200-300 shot of nitrous all day long.

[bdoooh]

I wouldn't unless you want your passenger floorboard popping off

[j_d_valle]

Just a pic a friend sent me, Nitro\meth 335i.....its doable. Find a good tunner and go for it. Most people that talk bad about it are just sayng what the next guy said.

[cryptocar]

Originally Posted by j_d_valle

Just a pic a friend sent me, Nitro\meth 335i.....its doable. Find a good tunner and go for it. Most people that talk bad about it are just sayng what the next guy said.

Wow. That's a hefty setup.
Hope he's got forged rods and pistons lol.
Also from the looks of it that's an E92 so I'd guess it's an N54 Twin Turbo not an N55 but impressive nonetheless.

[//M]

If you really want to do this then with port injection and a proper controller it is doable but what are you going to use for the controller? JB4 doesn't support NOS anymore I dont think. I'd say that's the big hurdle. You'll need something that can read the BMW can bus probably as its difficult to get RPM off of the coils or anything.

Contact Terry@BMS and see if he can help you.

[Polo08816]

Originally Posted by tifosielia

If you really want to do this then with port injection and a proper controller it is doable but what are you going to use for the controller? JB4 doesn't support NOS anymore I dont think. I'd say that's the big hurdle. You'll need something that can read the BMW can bus probably as its difficult to get RPM off of the coils or anything.

Contact Terry@BMS and see if he can help you.

Screw it! Just eyeball the tach to determine your RPMs.

[cruzinspeedy]

Anyone else look into putting a wet kit on the N55? It would be a great way to supplement top end power where the small snail drops off.

[Chicken_Joe]

I know my buddy runs spray in his N55. His ig is @ratchet335i

[eluded]

I don't often run nitrous but when I do I run 100 shot.

[Polo08816]

Originally Posted by zinner

Anyone have experience with using nitrous on the N55?

I have a kit sitting from a previous car and it was used in combination with a Eaton supercharger on a 4 banger. I did 100 shot with 16 psi.

Make sure you install it prior to April 14th - debut of The Fate of the Furious.

That way you can impress all the other rice burners in the parking lot of your local movie theater.

[zinner]

Oh Polo, I still got the kit, I should probably just sell it. Some day I will put it on another car. It's great fun. I even have the purge solenoid to impress my friends.

[1stupidsailor]

Originally Posted by zinner

Oh Polo, I still got the kit, I should probably just sell it. Some day I will put it on another car. It's great fun. I even have the purge solenoid to impress my friends.

I had 125 shot on my Maxima many moons ago, the purge was admittedly kinda fun.

If it's free and you can't get jack from selling it, maybe cool the IAT with it, I've seen some use it to hose down the IC, but I can't imagine any scenario where it would be a good idea to dump it into the engine in any appreciable amount.

[DKX4///M]

i have a wet kit im going to install on my M2. important to note i used to tune sport compacts for a living and have a physics major....

As the previous user said fueling is a problem so I bought a 10 gallon fuel cell, fuelab 50-150psi boost referenced bypass pressure regulator, MSD 43GPH at 45psi hpfp inline, an inline filter, fuel pressure safety switch so the n20 solenoids not grounded untilbthe wet shot shark nozzle sees >30psi of fuel...I also have bootmod3 /jb4 stack and will be starting with a 35 wetshot and a custom tune with less than stock boost, prob start at 10-12 psi, also slightly retarded ign timing...

the jb4 does still have 4 great n20 safeguards built in...TPS, MIN ADVANCE, AFR, and Min Meth flow.

I have a BMS meth kit and typically use CM7 nozzle with an additive of 20 scaling 50...with n20 im moving to CM12, additive of 00, scaling of 70.

These are initial settings and will be raised with boost according to careful monitering.

there are plenty of ppl who ran nitrous on 335 n55s with success (over 500whp)... M2 has forged pistons rods and crank....

Bottom line the only way to run nitrous on n55 safely is a dme tune for it, a complete exogenous fuel system, multiple failsafes physical and electronic would be best...

Goal is to slowly increase boost, decrease retard, i only will be using it inverse boost so as boost falls off at 5500RPMs use just enough nitrous to create a linear hp curve. on a high compression high boost engine, a 35 wetshot should yield 50+ whp between 5000-7000 RPMS.

Def wouldnt recomend nitrous on this platform unless A. you really understand nitfous and respect the danger.
B. you spend the $$$ to do it right and have multiple sasfeguards....