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Bavarian Autosport BMW E90 E92 E93 335i Juice Box 4 - Stage 3 - Burger Motorsports
Exclusively for the 2007-2010 BMW 335, 335xi, 135i, 535i, 535xi, Z4, X6, and 2011+335is,1M, and Z4N54 Twin Turbo.ADD 100 Horsepower to your Twin Turbo BMW to take your BMW twin turbo to the next level?
How about up to 80hp to the wheels (100hp crank) on a completely stock car or up to 180hp to the wheels (215hp crank) on a fully modified car? The JB4 features a simple plug and play installation harness and built in deletion of hidden "tuner detection" codes. Compatible with all ECU versions. With over 5000 in use and tens of millions of customer miles driven the JB Stage3 has proven time and time again to be the safest and easiest way to extract the true potential from your N54 twin turbo!
Now shipping with JB4 featuring 5x the processing power, 2x the memory, more robust signal conditioning, and integrated CANbus. Our new CANbus module allows the JB4 to communicate with your vehicle like never before. New features include code reading/deleting, optional in dash boost, timing, air/fuel, shift light, and IAT gauges, autotuning, a buttery smooth new CANbus based integrated boost control system, map switching on the fly via steering wheel controls, built in downpipe fix, hot/cold oil temperature protection, progressive methanol integration, water pump remapping, gear dependent boost control/traction assist, and much more to come with free firmware updates uploaded using a windows laptop (or mac w/ windows emulator) and BMS USB cable.
In addition to our performance mapping the JB4 features several "on the fly" user selectable maps including a 100% stock bypass map, a 4500rpm rev limited valet mode, a fuel economy map, a progressive methanol map, a race gas map, and for those interested an rpm by rpm user adjustable map. And unlike other flash and piggyback tunes that charge per the map and lock to your VIN the JB4 is 100% unlocked. Meaning you get access to every new feature we release free of charge and when your lease is up will be able to resell the JB4 without penalty.
Remember the JB4 does not require any additional modifications or previous stages. Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth driving experience. The JB4 also does not require any user setup or customization.Those features are included for more advanced users but for the average enthusiast simply install and enjoy!
JB4 Dyno results
Stock, Stage 3 on a completely stock automatic 135i
(MSD81 ECU) with 91 octane
Baseline, Stage 3 on an automatic 335i with high flow downpipes and BMS intake, on 93 octane
Various JB4 dynos from a 2008 135i with BMS DCI, high flow downpipes and intercooler
• 2006-2010 E90 Sedan 335i / 335xi
• 2006-2010 E91 Touring 335i / 335xi
• 2006-2010 E92 Coupe 335i / 335xi
• 2007-2010 E93 Convertible 335i / 335xi
• 2008-2010 E60 Sedan 535i / 535 xi
• 2008-2010 E61 Touring 535i / 535 xi
• 2008-2010 E82 Coupe 135i
• 2011+ 335is
• 2008-2010 E88 Convertible 135i
• 2008-2010 BMW X6 xDrive35i
• 2009+ BMW Z4 sDrive35i
• 2011+ 1M
• Fully compatible with DCT transmissions!
We ship orders Monday through Friday, except major U.S. holidays.
Unless otherwise stated in the Shipping and Payments section, domestic orders placed before 1PM EST will ship the same day.
Orders placed after 1 PM EST will ship the following day.
International orders may take an additional day for processing.
Domestic orders ship UPS ground. UPS 2 day air is also available. Use the map below to estimate UPS shipping orders ship U.S Mail.Customs forms are marked with the exact value of your order, no exceptions.
Fluids cannot ship internationally.
We combine shipping. Most orders over $150 qualify for FREE UPS ground shipping.
Free shipping does not include AK, HI, PR, APO/FPO, or US Virgin we try to make sure everything in our store is in our warehouse whenyou place your order, occasionally we may run out of a certain item. If this happens, you will be notified immediately of the estimated shipping date.
Terms of Sale:
Almost everything we sell* comes with a 12-month warranty. Products that carry the Bavarian Autosport brand are backed by a minimum 2-year/24,000 mile warranty. (Some have lifetime warranties.) If you are unhappy with a product's quality or performance, simply give us a call -we'll make it right.
* Electrical items are non-returnable.
Bavarian Autosport has been serving BMW enthusiasts since 1974. One of the main reasons we got into the parts business in the first place was because we couldn't get the kind of service we wanted when we bought parts. Apparently, a lot of people felt the same way, because we've gone from helping a few, local 2002 owners to tens of thousands of BMW and MINI enthusiasts around the globe every year. How did we do it? Three words -service, service, service. We have a huge inventory in our 3-story warehouse (more then 400,000 parts). We offer same-day shipping on in-stock items, a Best Price guarantee, and a crew of friendly, professional phone reps to help you answer your BMW or MINI parts questions.
In the late 1970s we began to advertise our BMW products nationwide and in 1983 we produced our first catalog (on a Smith-Corona typewriter on Mark's kitchen table). A couple years later we added some black and white photography to the catalog. Color photos soon followed.
On the customer service end of things, we knew what kind of service we liked to get when we spent our hard-earned dollars. It is one of the main reasons we went into business. So we did everything in our power to offer the same level of service to our customers. We were the first in the BMW parts business to offer free catalogs (some still charge for theirs), a toll-free phone line, a toll-free fax line, and same-day shipping.
Questions?Contact us toll free at1-800-535-2002 (includes the U.S.A, Canada, Puerto Rico and parts of the Caribbean). Outside those areas call 1-603-427-2002.
Hours of operation: We're here to answer the phones Mon-Thurs, 8:00 am-9:00 pm; Friday 8:00 am-7:00 pm; and Saturday 9:00 am-4:00 pm, Eastern U.S. time. After hours you can leave a voice mail and we'll return your call when we get in.