Speedtech Twin Scroll N54 bottom mount kit Released

Vitan

Specialist
Nov 20, 2016
81
27
0
Pilsen, Czech Republic
Ride
Alpina b3s ST, Cls55 amg
6266 Gen2 .084 AR T4. Looking to get about 500-550 with 93/meth for now. Plan to install PI later on and go full E85/Meth for 650-700. I went with the smallest AR to hopefully improve spool because I enjoy the low-end kick of these cars. I know people will say should've went with upgraded twins but my car is already set up for a single turbo since I had previously built my own twin top/bottom mount kit.

Is. 84a/r enough for 650-700whp? I have same goal like you with 3586hta. Im hesitating between 1.06 and.84...
 

Hyab00sta

Lurker
Nov 19, 2018
24
6
0
Ride
2009 335XI
curious to see how tight fitment is on an xi. it would be nice not having to deal with wastegate placements near the mount and front axles
 

BrazyN54

Private
Jun 1, 2018
27
14
0
Ride
07 335i
s362 t4 1.0ar, looking for 600 on 94 and pi meth. Went with borg vs pte for reliability

Thinking about ordering this kit with a 362 as well for the same reason, but I'm a bit uneasy about the lag.
As stated by speedtech on their test car they hit 25psi by 3500 rpm with a bigger s364 so I'm not sure if that's accurate or what.
 

BrazyN54

Private
Jun 1, 2018
27
14
0
Ride
07 335i
I’m sure the spool time won’t be that bad with the short runner manifold
I was debating getting a 6062
Can't deny those pte turbos make power but I have a few locals that end up having oil consumption issues and for $700 a rebuild yea no thanks.
The gtw line caught my eye as well and they are water cooled, not sure if speedtech will provided needed water lines.
 

Jewgo

Specialist
Nov 6, 2018
65
28
0
Ride
1r
I was debating getting a 6062
Can't deny those pte turbos make power but I have a few locals that end up having oil consumption issues and for $700 a rebuild yea no thanks.
The gtw line caught my eye as well and they are water cooled, not sure if speedtech will provided needed water lines.

I asked Jeff that question about providing coolant lines because I specifically wanted a water cooled turbo to take advantage of the bottom mount setup. He will provide the necessary hardware associated with the turbo you pick. So if it needs coolant lines, it will be provided. So I went with the GTX series.
 

Blackarrow335i

Specialist
Nov 5, 2016
86
59
0
Simpsonville, South Carolina
Ride
BMW 2009 e92 335i N54 ST
Speedtech kit 6266 bb gen2 has arrived today! Haven’t had much time today to look at it but from the first glimpse it looks amazing! I’ll install tomorrow and report back

Enjoy the 2 pictures I’ll post more soon ;)
24257
24267

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Njrep335i

Lurker
Nov 7, 2016
12
17
0
Mt Laurel NJ
Kit looks great! Got my tracking number, will be here on Thursday. Already scheduled next Friday off.

I see the 6266 has a nipple for boost reference port. Does anyone know what thread size the nipple is? I have braided lines with -an fittings for my boost lines.
 

Panzerfaust

Lieutenant
Jul 3, 2018
637
438
0
Chicago
Ride
E92 335i
Yaaaaaassss dp bolts to stock exhaust
That is definitely a cool benefit to this kit!

Looks like a solid setup for sure, the O2 sensor placement is intriguing to me too - any advantages or disadvantages to running post-WG pre-turbo over the usual manifold mounted o2s?

If I ever go st for some reason I think I'd have to choose the SteedSpeed/CES manifold or this one. I really like the simplicity of them without them being straight up log manifolds either - looks like these two vendors found an excellent middle ground that's very attractive especially at their pricepoints.
 

Abacus38

Lieutenant
Nov 2, 2016
643
385
0
34
Tampa/Orlando, FL
Ride
2007 Ti Ag 335i
Patiently waiting for the second batch of orders to come in. Jeff told me they should be ready to take second batch payments in 2 weeks
 

Abacus38

Lieutenant
Nov 2, 2016
643
385
0
34
Tampa/Orlando, FL
Ride
2007 Ti Ag 335i
Theres a lot of vendors and product options for dozens of kits now. All of it has new bells and whistles but produce the same results. Thus from the range of 10-30k invested, the output of the vehicle will be the same.

The only reason for that is that you have to realistically build the motor if you want it to last above 700whp. That’s a 15k investment right there.
 
  • Agree
Reactions: Torgus