The difference in power gains from a catless downpipe compared to a high flow catted downpipe are only a few horsepower. The BMS JB4 Tuner for F30 BMW 335i with N55 motors offers a much more stark 60hp 80tq gain (for Stage II) and response is hugely improved with just one mod (dyno shown has ONLY a downpipe and the JB4). I feel like TTS (Tiny Turbo Syndrome) is to blame more than anything on that dropoff. Updated e50 map for N54 pump equipped engines. 2nd gear feels like a super car, the difference is night and day. 4th gear log is the one to look at. Buy Now . Finally got a half hour to sneak away from the wife and kid to log. T The BMW N55 Turbo Inline 6 Engine is a glorious powerplant, but you need to make a few of these key BMW N55 mods to crank the output up to 11. I hear filling up with my normal premium gas and topping off with some E85 makes a world of difference. The N54 was used in the 335i from 2006 until … After two years of development, the wait is finally over! BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications (First ever?) Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. The JB4 offers more features than the other systems but you’ll need to learn how to use it to take advantage of all the clever features that it offers, like shift lights, … There were believers, doubters, and some people who were just downright confused when we wrote our “How to give your N54 BMW 500hp for $1,500” article. Your email address will not be published. Your boost is not hitting target and its going down to 14 / 13psi above 5k rpm no wonder the hp drop. BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i), 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications, https://datazap.me/u/mfindigital/sta...og=1&data=4-12, https://datazap.me/u/mfindigital/sta...og=0&data=4-12, https://datazap.me/u/mfindigital/sta...data=4-5-12-29. I don't really know how to read these, but I think something odd happens in 4th gear, feels like a different car than when in 2nd. The MHD Flasher reveals the immense margin of power BMW left on the table with the N54 while still retaining the sophistication of the original engine management program. The MHD Flasher reveals the immense margin of power BMW left on the table with the N54, N55, S55, B58 and N13 motor, while still retaining the sophistication of the original software. This allows for maximum performance,maximum safety, and unrivaled drivability. Power gains can be yielded when using E85 and proper tuning. 4k installed for pure stage 2 is pretty pricey since I'm not looking for crazy power. Latest Release, January 2020 ... bootmod3 N55 - BMW F-series M135i M235i 335i 435i 535i ActiveHybrid3 640i 740i X3 X4 X4M40i X5 X6 M2 Tune. I forgot to ask again, so what is CAN gas? bootmod3 N55 - BMW F-series M135i M235i 335i 435i 535i ActiveHybrid3 640i 740i X3 X4 X4M40i X5 X6 M2 Tune. No matter what you do unless you were able to reduce boost and have it rise at a linear rate, it's going to drop off like that. N55 MHD stage 1+ wheel horsepower comes in around 300-320whp. $595.00 USD This is the highest output ignition system ever developed for the N54 community Featuring 100% plug and play connections and low resistance 50ohm/ft proprietary plug wires.High voltage & High Current coil design using … Menu. Did SPEEDLogic say anything about the 10 ft-lb of torque swing? wgdc% is also going up which may suggest a vacuum leak or bad solenoid. This follow-up article is for all of you, as we show exactly how we took a stock 300hp N54 335xi and turned it into a 500hp beast running 11.9@116mph in the ¼ mile. MHD Flasher F-Series (N55/S55/B58/N13) The MHD tuning team is proud to present its latest product - the MHD Flasher for BMW F-Series. Expect to pick up roughly 10whp and 10wtq as compared to the base N55 stage 1 MHD tune. The MHD Flasher N54 E-Series is a complete flash tuning app for your BMW. I have an E85 station close to my house As such, expect lower results on 91 octane fuels. The Precision Raceworks BMW N54 HIGH PERFORMANCE IGNITION KIT is designed to integrate with any vehicle equipped with the N54 engine. MHD Flasher is the first mobile application to bring ECU tuning and monitoring to the BMW N54, N55, S55, B58 and N13 engine. Mine is now properly tuned and dont want to risk hurting my motor. HP gain up to = 110+ hp Trq gain up to = 174+ ft-lbs Decades of tuning for the street and track has helped us understand... Turner Motorsport N55 Performance Software - F10 F22 F30 F32 F33 M235i 335i 435i 535i X3 X4 X5 X6. Modifications: "Stage 2" upgrades: larger front mount intercooler, catless downpipe, charge pipe, inlet, and MHD stage 2+ tune. bootmod3 S58 - BMW F97 F98 X3M X4M Competition Tune. 978-388-7769 Live Chat. Or is that normal? 2 Capital gains, if any, are taxable for federal and, in most cases, state purposes. Click to expand... That is exactly why I am asking.. 4th gear feels like shit, like it's just correcting timing and not pulling. If you’re looking to get the most out of your BMW N55 powered by stock, upgraded stock, or an aftermarket single turbo setup, then a custom tune is for you. Upgraded intercoolers generally don’t pick up any peak power on glory runs. Cancel. Then you would lose a ton in the midrange. The N54 was put in the 335i until BMW made what's believed to be a more cost-effective engine, the N55. These are gains of 127whp and 175wtrq. BTW, the thread title says "CAN gas" what did you mean by that? Free Shipping on orders $49 + *exclusions apply. The idea was to take a stock N55 car running pump gas and a conservative amount of boost, and add a minimum set of bolt-ons to support a turbo, and then add the STX 76R. If you want the absolute maximum power available, go with catless. MHD Stage 2+ FBO N55 Dyno, CAN gas Yeah I always got e85 at the conserv station in westwood off San Vicente, or there are a couple places in the Torrance/Long Beach around if I remember correctly. 740I X3 X4 mhd n55 gains X5 X6 M2 tune in addition to prepping your BMW for boost... To the base N55 stage 1 N55 MHD stage 1+ wheel horsepower comes in 300-320whp. A more cost-effective engine, the wait is finally over off with some makes. 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Base N55 stage 1 N55 MHD stage 1+ wheel horsepower comes in around 300-320whp a vacuum leak bad...
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