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Rigging up a fuel pump test bench
Hey guys, I'm rigging up a fuel pump test bench using an factory regulator, fuel pump, lines, etc, so we can get more insight in to how the various fuel pump upgrade solutions work. Part of this...
View ArticleWater Pump Failure?
2008 335i (build date 12/07). 41K miles. Heard my fan running overtime, and sure enough, on the way home the coolant temp warning displayed. I am assuming water pump + t-stat needs to be done. Anyone...
View ArticleCOBB: An emissions testing Odyssey
Well Two weeks ago, i went for emissions testing, and Failed. Cobb stage 2+ aggressive, BMS DP fix. Now I cleared the codes right before testing, so it didn't pass because obviously none of my monitors...
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N54 Head flanges and oil feed adaptors
Hey guys, gauging interest in head flanges and oil feed adaptors for the N54. I am having more made and should have 6 flanges and 5 feed adaptors in stock next week. This should help make life easier...
View ArticleStupid Question: Downpipes, DP Fix, and the dealership
Hey everyone, Stupid questions: Im about to install my DPs soon and i just recently thought of some questions. I know this is a JB4 forum, but i need to ask anyways. First off, does the Procede...
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Hit and Run, N54 DCT, Usigng Emergency Brake
When I decided to leave my car out from being garaged on a Saturday this is what I woke up to Sunday. Yup people like this exist and it can be your very own neighbor who smiles daily. I still dont know...
View ArticleDEFIVfab N54 diff lockdown feedback.
I know for some of us, the winter/other mods are hindering the opportunity to get your kit in and tested. I'm assuming that someone has to be close to having one of the full kits installed by now,if...
View Article2A19 After Clutch Job
Hey Guys, I got a 2A19 after getting my clutch swapped. The code description is "tank ventilation valve, input signal". Searched around and Alpina had a similar issue and provided these possible...
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Plug change
So i changed my spark plugs today for the first time in too long. These plugs have been in the car for close to 45k miles. Mods have been jb4 with meth then jb4 g5 iso 50/50 e85 the entire life of...
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PTF BLOG: 1 STEP COLDER PLUGS FOR THE BMW N54 NGK 5992 LASER IRIDIUM ...
Most of you have probably heard of these plugs by now. I get asked about them quite often it seems and decided to write up an article on our blog describing them in a bit more detail as well as some of...
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09 335xi dyno 431awhp 482lbs tq std
Hey all, I just did a couple dyno pulls today on map 5,7, and 4. 09 335xi coupe AT: Ar catless downpipes AMS FMIC JB4 G5 iso BMS DCI BMS E85 flash E85 LPFP 70% E85/ 30% 93 run file 5 - map 5 run file 9...
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Rigging up a fuel pump test bench
Hey guys, I'm rigging up a fuel pump test bench using an factory regulator, fuel pump, lines, etc, so we can get more insight in to how the various fuel pump upgrade solutions work. Part of this...
View ArticleWater Pump Failure?
2008 335i (build date 12/07). 41K miles. Heard my fan running overtime, and sure enough, on the way home the coolant temp warning displayed. I am assuming water pump + t-stat needs to be done. Anyone...
View Article[Sherlock] Electric Water Pump
I was playing around with an allegedly functional 335i water pump trying make it sparkling new. Soon it evolved in a serious and meticulous process of stripping the unit to bare metal. I was curious...
View ArticleMy road to where i am now.
So i have a 2007 335i. Ive been just jb4 then jb4 and dci then i ran meth. I quickly figured out i didnt like meth so i removed it and a few months later i ordered vrsf downpipes and intercooler. After...
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Track Results - Unfinished Cobb PTF E45 Map
Last night I took my talents (or lack thereof) to Bradenton Motorsports Park for their test and tune night. I showed up around 9:30 and was able to get about 7 runs in since it was relatively empty. I...
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Top Mount Single Turbo in the works
CB Performance Auto is a shop in North Carolina that specializes in exhaust, brakes, engine repair, paint and body work, custom performance upgrades and many more services. We are in the process of...
View Articleintercooler or meth for next mod? opinions needed
Car: 2007 E92 335i Auto trans. Mods: Jb4 ISO, BMS DCI, BMS Downpipes, and 40-50% E85 Was just wondering if an intercooler or meth would be better for me and which would yield the most performance?...
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Typical 335i Woes (white smoke)
Gents, I am running catless downpipes in my 335i. Every once in a while, the car will release quite a bit of white smoke from the tailpipes. Sometimes at idling and sometimes driving around slowly. I...
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