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JB4 BMW 135 335 535 performance chip tuners N55 BMW Performance Tuners parts BMW M F10 F80 Performance chip tuner N20 N26 BMW chip BMW Performance parts Jb4 tuner chips 335 Diesel BMW Performance Tuners BMW Performance parts Jb4 tuner chips
Ready to take it to the next level?
Burger Motorsports, Inc is the manufacturer of the world-famous JB4 performance tuner. We've been pioneering plug & play performance tuning, intakes, and mods for street-inspired race cars since 2007.
Fast Faster Fastest

JB+ Stage 1

Horsepower Gains
30-40hp 40-50hp 40-100hp
Torque Gains
40-50tq 50-60tq 50-120tq
Connection Points
1 2 3 to 6
Installation Time
30 Seconds 5 Minutes 15-30 Minutes
Tuner Warranty
5 Years 5 Years 5 Years
50-State Emissions Legal
Most Applications Most Applications Some Applications
User Adjustable Performance
0-4.5psi adjustment
via dial on tuner
0-6psi via BMS Data Cable 8 unique performance maps including a stock bypass map & user definable custom tuning map
Compatible with JB4 Mobile adapter for wireless data logging & diagnostics
x Boost Only Full Data Logging
Compatible with BMS Data Cable for wired data logging & diagnostics
x Boost Only Full Data Logging
Unlock new features and performance for free by loading optional firmware updates at home
x x
Incorporates gas pedal input, engine speed, gear, oil & water temperature, air/fuel ratio, ignition advance, and other engine criteria for advanced engine mapping
x x
Read/Delete Fault Codes
x x
Adjust Maximum Boost by Gear to Improve Traction
x x
Advanced Safety Systems for lean run, knock, low fuel pressure, over boost, fuel trim variance, and others
x x
Optional Ethanol (E85) Fuel Support
x x
Optional Water/Meth (WMI) Integration & Safety
x x
Optional Port Injection Integration & Safety
x x
In dash reading for boost pressure and other engine criteria
x x Most Applications
(factory gauge hijack)
Able to tune/adjust itself in the background for unrivaled performance and smoothness
x x
Support for aftermarket turbo(s)
x x
Prices starting at
JB+ $199 Stage1 $379 JB4 $399-$899

Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers page.

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BMW N55 135i 335i Performance Intake
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