The B48 is already proven as underrated from the factory making 220+whp and 240+wtq stock. Tune only cars are able to push over 260 wheel horsepower and 290 wheel torque.
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How much HP does JB4 add B48?
The JB4 is the most advanced and highly featured tuning system available for your B38/B46/B48 MINI. Power gains are up to 40hp to the wheels (55hp crank) for a B48.
How much horsepower can a JB4 add?
The JB4 Tuning Box increases horsepower by 40 to over 100 horsepower depending on the type of fuel used. 91 octane produces 40 horsepower gains, 93 octane 60 horsepower, and 98 octane+ over 100 horsepower.
How much HP can the B58 make?
B58 Engine Limits Summary It’s generally good for about 600-700whp without any internal upgrades. The pistons, rods, and bearings are a few of the first limitations around 550-600wtq. B58 valvetrain parts and the cylinder head are strong, but top-end flow is a limiting factor.
How much HP does JB4 add B58?
Power gains are up to 80hp to the wheels (100hp crank) on a completely stock car on pump gas for a B58, and up to 40hp to the wheels (55hp crank) for a B48, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher.
Can dealers detect JB4?
Just like few people already said, anything is detectable. Flash tunes are detectable if your tuner opens or drills the DMEs. Also JB4 is detectable if the dealer knows what he is looking for. This is what we always tell all of our customers.
Does JB4 void warranty?
The JB+ or JB4 does not void your warranty. However if there is a failure or a part that could be attributed to the aftermarket device, that warranty claim could well be denied.
How much does a JB4 tune cost?
For more advanced higher-power maps, “custom tuning” is usually required which can double the flash cost. The JB4, on the other hand, ranges from $479-$900 and includes 8 unique maps, including maps for pump gas, race gas, ethanol fuels (E85), factory tuning, VALET mode, WMI integration, and a user-defined map.
What is better MHD or JB4?
MHD offers some very cost effective back-end flash maps for the JB4. The back-end flash shifts the timing, VANOS, and fueling to the flash side while the JB4 retains its more accurate boost control, in-dash gauges, E85 autotuning, and various safety features.
What is the best tune for B58?
Burger Motorsports JB4 tuner is the most popular tuner used on both the N54 and N55 platforms, which is why we recommend it for the B58 platform. This is a piggyback tuner, verses a flash tuner.
Can you daily a big turbo B58?
You could do a full big turbo stock block b58 build in a day on stands with a floor jack. Turbo + pump + intake + downpipe + plugs and you’re making big power. That’s it. Valve cover is the same.
How much boost can a B58?
On the stock ECU tune, the B58 will produce a maximum boost of approx. 8-11psi, which is slightly up from the 7-10psi found in the N54 and N55.
Why is the B58 so good?
Unlike the N55, the B58 features a closed-deck engine design. It also offers 20% more boost pressure and an increased compression ratio of 11.0:1. The B58 is a marginally larger engine — displacing 2,998cc compared to the N55’s 2,979cc — and weighs 18 lbs more, but while making notably more power.
How long will a BMW B58 engine last?
Expect B58 solenoid issues to arise around the 80,000-100,000 mile mark. However, you may make it well past without issues. Two of our N54’s are nearing 120,000 miles on original VANOS components.
How long do B58 engines last?
How long an engine will last is always a tough topic. There’s no right answer, but in general the B58 should last as long as you’re willing to continue repairs and standard maintenance. The internals and design are plenty strong to surpass 200,000 miles.
How much boost does the B48 make?
The B48 stock boost is roughly 12-13psi.
Does B48 have forged internals?
Does the B48 Have Forged Internals? Yes, the B48 crank and connecting rods are forged as with the larger B58 6-cylinder.
Is BMW B48 engine reliable?
So far, the B48 appears the more reliable engine. The B48 is without any serious common problems to date. Although, we expect the B48 will eventually suffer similar common problems as the N20, less the timing chain. That is not to say either engine is unreliable.
Can BMW detect a tune?
Any tune is detectable if they look hard enough. The car logs what boost its hitting etc. A 10 psi over stock target will look a little suspicious. Routine servicing won’t uncover it, but investigations into engine warranty work probably would.
Can BMW detect a piggyback?
BMW can see engine parameters up to and at the point of failure, which means if you’re running a piggyback, the parameters won’t be within stock ranges and they will know.
Which is better RaceChip or JB4?
Racechip is easy to install, SUPER Quality, and easily knocks 0.80 seconds off your 0-100mph time. JB4 will add more average and peak power and go faster than RaceChip if you want to push boost and parts.
Can BMW dealers detect JB4?
Bmw will detect your JB4 if they dig deep enough. Read the new ISTA thread and how easy it is to flag your car now.
Does JB4 leave a trace?
JB4 does not leave a trace…. I believe EcuTek will be detectable because they will be able to see ECU rewrite history or at least last update date. Also I don’t think it would be very practical to re-tune your car multiple times if you bring it into the dealer.
Does tuning void warranty BMW?
No, it does not. They (dealer/manufacturer) need to prove the mod you did is responsible for the issue. For example, adding an intake will not void your warranty for the infotainment system, they are unrelated.
Does JB4 remove speed limiter?
Speed limiter gets removed with jb4 backend flash.