B48/B58 JB4 Performance Tuner

Burger Motorsports

T#: 29101683 | Part#: B58GEN3-JB4

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$699.00

Lifetime Replacement

Availability:

Ships Directly From Supplier

Est. Ship Date:

on Jul 14, 2025

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Product Details

The JB4 is the most advanced and highly featured tuning system available for your B48/B58 GEN3 powered vehicle. Power gains are up to 100whp to the wheels (125hp crank) on a completely stock car on 93 octane, and even higher with ethanol fuel mixed in!

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

Fits These Cars

MAKE	MODEL	SUBMODEL	ENGINE	Special Fitment Notes
BMW	F44	228i	B48 2.0L	Use vehicle selector to confirm fitment
BMW	G05	X5 sDrive40i	B58 3.0L	Use vehicle selector to confirm fitment
BMW	G05	X5 xDrive40i	B58 3.0L	Use vehicle selector to confirm fitment
BMW	G07	X7 xDrive40i	B58 3.0L	Use vehicle selector to confirm fitment

*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.