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VTT 2+, Port Injection Build - Dyno Progress
Per my old thread, I proved that the stock turbo inlets were restricting flow at higher boost levels and so I did some testing and built custom intakes. Since then, I installed BMS's port injection...
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Fuel-It! Scratch and Dent sale
UPDATE: All of these pump assemblies are sold and have shipped. Thanks! We have three pump assemblies that don't conform to our specs for aesthetic reasons. All three have just been upgraded but due to...
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n54 Single turbo engine codes CYL 1-6
Hi all... I've been working on my engine and build it for the past 2 years. and the time has come to put a single 6466 turbo. built bottom end with CP pistons, arrow rods, ported/polished VAC cylinder...
View ArticleCan't get TunerPro to commit negative values
I'm pulling my hair out here. Tried 2 different BINs, 3 different XDFs, 2 different computers and 3 different TunerPro versions! For example, in the WGDC P-Factor table, if I modify any of the negative...
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VTT Billet Water blocks now available
Hey guys, Stage 3 production water blocks are in, and they are beautiful. We went ahead, and had some extras made, if you need a low profile water block for your Single or Twin DIY kit, we have a great...
View ArticleCould I interest you in Mobile BimmerBoost flash software?
We have an opportunity to utilize community resources to get this done for the android platform. It's going to take time and of course, money. If you guys are willing to donate as you did previously to...
View ArticleCan there be timing pulls without knock detected (real or false)?
As the title states, do we know if the ECU can pull timing without one of the knock sensors actually sending a signal indicating knock (real or false is irrelevant)? I ask because I know Terry tried to...
View ArticleMeth Nozzel size for single turbo...?
what's the best methanol noz for the single turbo, im running 1 noz cm10 i can only hit 20-21 psi on 93oct, is it better to run 2 nozzels or cm14?? can i hit higher boost on 93oct?
View ArticleWhich brand and weight of motor oil do you use on your N54?
I'm sure this topic came up before but which brand and weight do you guys use for your N54 motor? I've used couple different brand before but I want to stick with just one right now. What are your...
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DEFIV FABRICATION - LOCKDOWN KITS - Back In Stock!
DEFIV Fabrication is happy to announce that 335i, 335is, 135i and 1M lockdown kits are back in stock! Just in time for your track, road-abused or single turbo build. 100% American Designed and made....
View ArticleQuestion about a 335i auto vs manual and factory fuel system
Just curious what the power handling is of the auto vs manual ? I really want to get a manual for auto x but there are hardly any for sale around me. So I have been kind of looking at the autos with...
View ArticleN55 charge pipe fit on N54?
Since I will be using an EFR turbo w/ integrated BOV, I have no need for my current chargepipe + tial bov. Ideally, I'd like to just sell it and buy an N55 charge pipe to use instead. Does anyone know...
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VTT 2+, Port Injection Build - Dyno Progress
Per my old thread I proved that the stock turbo inlets were restricting flow at higher boost levels and so I did some testing and built custom intakes. Since then, I installed BMS's (Burger Tuning)...
View ArticleClik here to view.
Fuel-It! Scratch and Dent sale
UPDATE: All of these pump assemblies are sold and have shipped. Thanks! We have three pump assemblies that don't conform to our specs for aesthetic reasons. All three have just been upgraded but due to...
View ArticleClik here to view.
n54 Single turbo engine codes CYL 1-6
Hi all... I've been working on my engine and build it for the past 2 years. and the time has come to put a single 6466 turbo. built bottom end with CP pistons, arrow rods, ported/polished VAC cylinder...
View ArticleCan't get TunerPro to commit negative values
I'm pulling my hair out here. Tried 2 different BINs, 3 different XDFs, 2 different computers and 3 different TunerPro versions! For example, in the WGDC P-Factor table, if I modify any of the negative...
View ArticleJerky 1st gear
I've looked around a bit and I see some people have had this issue as well but it seems like no one has really found a for sure fix for it. I have a 2008 e92 335i 6mt with 46k miles. Ever since I...
View ArticleFalse misfires due to the dmfw?
Does the mileage of the dmfw matter? Is there a consensus about what is a false misfiring whp limit for a new stock dmfw?
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proTUNING Freaks - COBB AP V3 + proTune Group Buy
We are pleased to announce our first groupbuy for the upcoming race season. First 10 people to purchase a Cobb AP V3 will receive a N54/N55 proTune for $50. US Customers: $949 including shipping (Cobb...
View ArticleCoolant vs. RPM Log Request
Can anyone make me a quick log of coolant temp vs. RPM from a cold start while the car warms up to temp? Or if you have one already, doesn't matter if other params are in it, I just need to look at a...
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