SKU: 83851992572

N63/N63R/N63TU JB4 Tuner

$490.77 $545.30
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

N63/N63R/N63TU JB4 TunerPower gains of up to 100hp and 140tq to the wheels on a stock vehicle The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine tuning tools are desirable. Wirelessly connect the JB4 to your

Power gains of up to 100hp and 140tq to the wheels on a stock vehicle

The JB4 Tuner includes CANbus, full data logging, multiple performance maps, user-adjustable fuel control, boost by gear settings, WMI support, JB4 Mobile wireless compatibility, and much more. Compatible both as stand-alone tuning systems or in conjunction with performance flash maps where logging, safety, and fine-tuning tools are desirable.

Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.


N63 JB4 Features & Benefits

• Power gains of up to 100hp and 140tq to the wheels on a stock vehicle

• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 BMW tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• CANbus OBDII integration offering unrivaled tuning features and performance
• Improved performance over non-integrated chip tunes
• Runs as smoothly as stock. This is how your vehicle should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminum enclosure for protection
• Made in the USA
• Free USA Shipping
• 5 year warranty

Vehicle Fitment

BMW 5 Series
• 2011 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63 TYPE_A)
• 2012-2013 F10/F11/F07 550i sDrive/xDrive/GT (Most are F Chassis N63 TYPE_B but some are F Chassis N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2014-2016 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63TU)
• 2017+ G Series 550/M550 G30 models (G Chassis N63R)

BMW 6 Series
• 2012-2019 F12/F13 650i sDrive/xDrive (F Chassis N63TU)
• 2013-2019 F06 650i Gran Coupe (F Chassis N63TU)

BMW 7 Series
• 2009-2011 F01/F02 750i/750Li sDrive/xDrive (F Chassis N63 TYPE_A)
• 2012-2013 F01/F02 750i/750Li sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are F Chassis N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2014-2016 F10/F11/F07 550i sDrive/xDrive/GT (F Chassis N63TU)
• 2017+ G12 750i/750Li sDrive/xDrive (G chassis N63R)

BMW 8 Series
• 2018+ G15/G14/G16 M850i xDrive Coupe and Convertible (G Chassis N63R)

BMW X Series
• 2014-2018 F15 X5 50i sDrive/xDrive (F Chassis N63TU)
• 2015-2019 F16 X6 50i sDrive/xDrive (F Chassis N63TU)
• 2009-2011 E70 X5 50i sDrive/xDrive (N63 TYPE_A)
• 2012-2013 E70 X5 50i sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2007-2011 E71 X6 50i sDrive/xDrive (E70/E71 N63 TYPE_A)
• 20012-2013 E71 X6 50i sDrive/xDrive (Most are F Chassis N63 TYPE_B but some are N63 TYPE_A, check sensor before ordering using sensor reference photo)
• 2019+ G05 X5 50i/xDrive and M50i/xDrive (G Chassis N63R)
• 2020+ G06 X6 50i/xDrive and M60i/xDrive (G Chassis N63R)
• 2019+ G07 X7 50i/xDrive, M50i/xDrive, and Alpina XB7 (G Chassis N63R)

If your BMW has the N63/N63R/N63TU engine and it's not shown on the list above, please email [email protected] to verify JB4 fitment. 

What is a JB4?

The JB4 is a plug & play tune available for turbocharged vehicles. The JB4 tuner installs between your car's sensors and its DME/ECU (computer) and manipulates vehicle performance through these connections making your vehicle much faster. While it's not the only tuning system that operates this way, the JB4 separates itself from the competition with much more advanced connection points and processing including CANbus, fuel & spark control, Bluetooth to your smartphone, and a variety of innovative and advanced features not possible with any other system. BMS regularly publishes free mapping and firmware updates adding performance and features as ongoing development allows. In addition, the JB4 system is not VIN-locked to your vehicle and can quickly be removed and swapped between cars or resold at a later time. Often imitated but never duplicated, the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade.

Download JB4 INSTALL GUIDE

 


DYNO RESULTS

2021 BMW M550i with JB4

(N63) 2011 550 with JB4, 30% E85

 

(N63TU) 2016 550 with JB4, 30% E85

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83851992572

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4.9 ★★★★★
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P
Prasoon Dhungana
Houston, US
★★★★★ 5
Stylish Slim Fit Suit, Great Quality and Budget-Friendly
I absolutely love this slim fit tuxedo suit for kids. The color looks great, the finish is impressive, and it honestly looks way more expensive than it is. I can’t wait for my son to be invited to the next party, wedding, or special event because this outfit is such a classy and adorable choice. The material feels good quality, the stitching is well done, and the overall design is sharp and stylish. It’s a perfect ring bearer outfit and looks very polished in photos. Full disclosure, I intentionally ordered a size up for my toddler, so it doesn’t fit him perfectly right now. But even with that mistake, I can tell the sizing is true to size, so I would recommend ordering your child’s actual size for the best slim fit look. Overall, this is an excellent, budget-friendly suit set that looks amazing and is perfect for special occasions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
F
F. Wallace
Lowell, US
★★★★★ 5
linen suit
I love this linen suit! It runs true to size and made really well. The bowtie is easy to put on and adds the perfect touch of class to an already fancy suit. The material is light and airy on the suit. It wears well and can be worn for a casual outing or something more fancy like a wedding. This was chosen for a wedding on the beach and it captured the beach vibe perfectly. I would highly recommend this for anyone looking for something comfortable yet stylish for their little guy. For the quality of the outfit, this is priced way below my expectation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
A
Amy
Battle Creek, US
★★★★★ 5
Adorable, Complete Set—Great for Special Occasions
Color: Beige, Size: 12, Color: Beige, Size: 12
This suit set is such a great find! It comes with everything you need—jacket, pants, shirt, tie, and bow tie—which makes getting a dressed-up look so easy. It's excellent quality for a suit in this price range. The linen fabric gives it a nice, lightweight feel and a polished look that works well for both formal and semi-casual events. My son looked adorable in it, and it was perfect for the spring wedding we attended. What I love: Complete 5-piece set—no need to buy extras Lightweight and comfortable material Classic, stylish look with nice details (lapel, pockets, etc.) Adjustable waistband is super helpful for fit Versatile for weddings, holidays, and other events Fit was true to size based on the chart, but I agree with the recommendation—if your child is between sizes or growing quickly, sizing up is a good idea. I sized up with the hopes that he can wear it again for another event because it looks fantastic! Overall, a really cute and practical suit set that looks great without being uncomfortable. Perfect for any special event
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
D
DD
San Leandro, US
★★★★★ 4
Boys’ 5‑Piece Linen Suit Set
Color: Beige, Size: 16, Color: Beige, Size: 16
I ordered this 5‑piece linen suit in size 16 in the beige color. The set includes the jacket, pants, dress shirt, bow tie, and a slip‑on tie. The outer fabric is a blend of 70% polyester, 25% linen, and 5% spandex, and the lining is 100% polyester. The material is lightweight, which works well for warm‑weather events, but the pants are noticeably thinner than the jacket. The jacket feels sturdier because of the full lining. The jacket has a peak lapel, flap pockets, and cuff buttons, and the stitching and seams are tight and even. I did notice a few loose threads, but the fabric itself was smooth with no tears or flaws. The pants have an adjustable waistband, which is helpful, but the length was too long and will need to be tailored. The overall cut of the suit seems designed for children on the thinner side. The shirt included in my set was a pleated style rather than a plain dress shirt. It wasn’t the style shown in the product photos, and I would have preferred a standard shirt that could be worn for various occasions rather than a very formal shirt. The tie is a pre‑tied slip‑on style with an elastic band. I would have preferred a traditional tie instead. The suit arrived in good condition with no damage, and the color was even throughout all pieces. The price is on the higher end for similar 5‑piece sets. I rated it 4 stars because the jacket is well made and the set includes all the expected pieces, but the thin pants, unexpected pleated shirt, and slip‑on tie kept it from being perfect.
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Reviewed in the United States on April 16, 2026
J
Jacobson
Alexandria, US
★★★★★ 5
Adorable and Well‑Made Outfit for Special Events
Color: Light Blue, Size: 10, Color: Light Blue, Size: 10
Got this suit set for my son and absolutely love it. It comes with everything he needs to look sharp, and I really appreciate that it includes both a tie and a bow tie so we can switch up the style depending on the occasion. The quality is impressive for the price — the fabric feels light and comfortable, and the whole outfit has a polished look without being stiff or uncomfortable. The fit was spot on, and the adjustable waistband is a huge help for getting it just right. My son looked great in it, and it’s definitely something he can wear for more than one event. The little details on the jacket and pants give it a classic, dressed‑up feel that works for weddings, holidays, or any special moment. Overall, it’s a stylish, practical set that makes getting him ready so much easier. Really happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

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