Unlike most flashes and custom-tuned flash maps which are disposable, the JB4 can be removed and reinstalled on your next vehicle or resold down the road.
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How much HP does 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.
Does JB4 damage engine?
The JB4 doesn’t accelerate wear on anything by itself. What accelerates wear is the increased performance of the car. A flash tune will wear it as well. But injectors, coils, and turbos will fail regardless of a tune/Jb4 or not.
Is JB4 Vin locked?
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 be quickly removed without a trace and swapped between cars or resold at a later time.
Is JB4 a good tune?
I think that the JB4 is a great buy for 90% of people who want more power, without the costs of building a more robust powertrain. For those 90%, I give this unit an A+ and highly recommend.
How much HP can a stock 335i handle?
N54 Engine Limits – Simple Answer. The N54 can handle around 600-650whp and 550-600wtq on the stock block and internals.
Can dealers detect JB4?
Actually according to jb4, if it’s installed and uninstalled correctly each time. The dealership would have no way of seeing any tampering. Bmw will detect your JB4 if they dig deep enough.
Is JB4 safe for N54?
The JB4 includes a simple plug and play installation harness and is compatible with all ECU versions and transmission types. It’s everything you need to take your N54 powered vehicle from mild to wild.
Does JB4 make car louder?
JB4 open flap. Yes the tips shouldn’t make a difference, but the car was 100% louder after I put them on. I normally got a pretty loud gurgle sound especially when it was dropping into low RPM’s and when I would shift. Now with the JB4 the gurgle is gone and the car seems quieter.
Does JB4 remove speed limiter?
Speed limiter gets removed with jb4 backend flash.
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.
Does JB4 tune 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.
What is the best tune for N54?
All things considered, the MHD is an excellent tuning option for the N54. Ultimately, as referenced above, we recommend opting for the JB4 and coupling it with the MHD back-end flash maps. The back-end flash maps are free with the purchase of the MHD flasher module for $99.
What is the best tuner for BMW?
- Hamann Motorsport. Hamann is a tuning shop that’s all about exclusive cars. Their BMWs appear on racetracks, streets, car parks, and just about everywhere else.
- Dinan. What is this? Report Ad.
- BimmerWorld. BimmerWorld is definitely one of the best-known BMW tuners stateside.
What’s better JB4 or bootmod3?
If you are stock bootmod3 stage 1 is faster than Jb4 Map 1. The car is much much happier on bootmod3. Bootmod3 is also much smoother vs jb4 for daily driving and traffic. If you are staying stock and not going past stage 1 I would at least recommend a charge pipe upgrade.
How long can a tuned N54 last?
The N54 itself is a very strong engine that can often last beyond 200,000 miles. Of course, that’s if you’re willing to keep up with all of the maintenance and repairs for that long. Even when modding the N54 engine it still retains good longevity.
Are N54 internals forged?
Mahle Motorsports N54 pistons are forged for strength, light weight, and low drag to be a modest upgrade over the stock BMW pistons. Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability.
How much boost can a N54 take?
Likewise, newer OEM turbos may decide to give out before 20psi. However, if you are concerned about N54 turbo longevity, somewhere in the ballpark of 17-18psi on stock inlets/outlets and 19-20psi on upgraded should be safe for most.
Can BMW detect a piggyback?
The piggyback itself would not be flagged by the computer system but could be flagged visually by a technician if you left it on. The issue is at the time of failure, if something happens and you then remove the piggyback then it won’t matter.
Is JB4 a piggyback?
JB4 is a piggy back system for tuning, basically controls engine paremeters from the ECU to the Engine. Its a rather dirty but functional way to tune a car.
Are tuning boxes traceable?
A Tuning Box is an alternative to remapping, it provides an un-traceable and fully removable solution with results similar to remapping.
What map should I run on JB4?
map 5 all the way! 2nd. Could run logs on both map 1 and 5 to see which your car likes better, but 5 is all good. 5 is always recommended.
What is JB4 N54?
This add-on kit for BMW N54 engines allows your JB4 to “2step” the engine (cycle power to the coils) to build boost when not under load. Useful as both a noisemaker for both manual and automatic transmissions, and for launching with manual transmissions.
How much does MHD N54 cost?
Purchasing MHD Flash License The cost of the licenses are as follows: N54 – $99. N55 E Series – $199. N55 F Series – $249.
Does JB4 have launch control?
Jb4 doesnt have launch mode, only Procede.