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I’ve only used bootmod so I can’t give you a fair comparison but I have zero complaints with it. I’ve had it on 3 BMWs since 2018 and it’s been great. If you’re going to get a custom tune, you should make sure the tuner you want to go with supports the tuning platform you choose.

If I upgrade my transmission (spool stage 2), do I need to turn off XHP during the break in period or am I ok running stage 2? I was able to get about 800 miles out of the stock transmission after adding a pure 800 on e50. Dyno’d at 720whp 700wtq. It started to slip in 6th and not even during...

Extra weight means more traction 😂 those light supras must fly yeah dude, s58 injectors and ds25 hpfp. Are you still running DI? If you are, do you have line pressure bump activated on XHP? Right now I’m running stage 2, only custom settings being gear display.

Got my car back today, pure 800 and intake manifold installed. DI only setup. Custom flex fuel tune from Sameh, currently running e50 which is the max according to him. All I have to say is that you fuckers with a big top mount are insane. I’m losing traction left and right with this thing. I’m...

Kies has to pay for his 911 turbo s somehow 😂

car is currently in the shop to get the pure 800 installed. I received a base map from my tuner for my setup. I’m going to do a few dyno runs. Can I also pull logs while it’s on the dyno or are the logs on the dyno not indicative of real road pulls? i have a dynojet and mustang dyno available...

just to clarify for any noobs like me reading this in the future, you meant “DI doesn't need LPFP until you get close to 700. PI needs LPFP for sure because you are now feeding two fuel systems.”

As I continue to mod, I read this thread and its pages a lot to see what others are doing. There’s also a lot of comedy in this thread which is great. Full DI upgrade (dorch ds25 + s58 injectors) are going for about $2800 at the moment. It’s way cheaper than the PI method which is claimed to be...

thanks buddy, learning a lot from you! Quick question if you don’t mind :) yesterday you said you’re running a DI setup with dorch HPFP and injectors. Im running the same on stock turbo and learning how to identify when I’ve reach fuel limitations through logs. from your other posts I’ve...

The sensor connected to the stock intake box/pipe is for temp? Where does the engine get its airflow reading from then?

Happened to me on pump gas. Happened even more on e40 after I got a tune. Additionally when I would do WOT pulls on e40 I’d get an error code saying mixture too rich. I pull out the MAF, bathed it in MAF cleaner and reinstalled when dry. I also replaced the precat o2 sensor. The one I pulled...

Been to this place a few times. Rob and his team always do me right.

I’ve heard about 6th being a problem gear on the BMW forums. I’ll add lowering boost in 6th to things I’ll have my custom tuner do. Hell yeah, your setup is pretty much what I’m striving for. I see you track. Any fueling issues with that setup during WOT segments? are you running e40 instead of...

What’s up guys. I’m on a slightly different platform, an m340i. Same engine and trans as you guys I believe (b58tu and ZF 8hp51). These forums are way more active than the bmw b58 forums, you guys all seem to be into modding. BMW dudes don’t all mod. My set up is: BM3 stage 2 multimap flex fuel...