How much HP does JB4 add B58?

Plug & play power — gain up to 60 horsepower on a stock car, 80+ horsepower on a modified car with a B58!

Can you tune B58?

The B58 is still in its early stages of being tuned, but it appears to stack up somewhere in between the N54 and the N55. With that being said, as the engine is still very new there are currently a few limitations that are holding the engine back until the aftermarket companies and tuning shops can break past them.

How good is JB4 tune?

I think the JB4 is a great tune for what it was put out there to accomplish. Before tuners were able to unlock the DME on our cars, it was definitely ahead of its time, and it continues to be relevant today. Adjustments on the fly – Flash tunes cannot change maps without cutting the car off and reflashing.

How much horsepower does a JB4 add?

Power gains of up to 100hp on a stock vehicle without the risks of flashing! Units shipped 3/5/2021 or later include a free electronic wastegate (EWG) connector preinstalled in the JB4 harness! The JB4 is the most advanced and highly featured tuning system available for your B58 and B48 vehicle.

How much HP can a stock B58 handle?

B58 Engine Limits – Simple Answer. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals.

Can you tune a BMW M340i?

This M340i’s engine has a ‘Stage 2’ ECU tune from an unspecified aftermarket shop and also sports new downpipes. The upgrades are apparently enough to lift grunt to 520 hp and 490 lb-ft (664 Nm) of torque, giving it slightly more power than a standard Model 3 Performance with its 450 hp and 471 lb-ft (639 Nm).

How much HP can B58 handle?

Is JB4 safe for BMW?

Unless you plan to go for big power, the JB4 isn’t going to limit anything or be less safe. All of your factory safeguards are still in place.

Are JB4 reliable?

With JB4 there has been just one time that we have encountered DME issues where connections were made wrong, faulty, or when connections to the battery were lost or removed. It’s a very reliable piggy-back tune with no problems and is generally very safe for use. Any tune won’t permanently damage the hardware.

Does JB4 void BMW 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.

Is JB4 tune safe?