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G-Power’s G3M Bi-Turbo Hits the M3 Touring
The G3M Bi-Turbo returns to the spotlight courtesy of German tuner G-Power, but this time the base car is the BMW M3 Touring — BMW's high-performance, practical wagon that blends family-friendly utility with sports-car dynamics. G-Power’s conversion transforms the Touring into a full-blown super wagon, with visual upgrades, bespoke wheels and a significant power bump that makes this M3 a serious performance proposition on road and track.
Design and Exterior Upgrades
G-Power’s package dresses the M3 Touring in a matte gray finish punctuated by orange decals that announce the tuner and the car’s new identity. Exterior add-ons include a reworked rear diffuser with a three-fin design and updated tailpipe trims featuring the same orange accents. The tuner replaces BMW badges on the nose and tailgate with its own logos — while the M3 Competition emblem remains in place above the right taillight for clarity. Visually, the conversion emphasizes contrast: new five double-spoke alloy wheels in a bi-tone black-and-silver scheme carry the G-Power name, giving the Touring a more aggressive road presence.

Interior and Customization
G-Power has withheld full interior imagery, but close inspection of available photos suggests brown leather upholstery paired with extensive carbon-fiber trim. As with many high-end tuners, G-Power offers cockpit personalization — from bespoke leather and Alcantara options to unique stitching and trim treatments that tailor the cabin to the owner’s tastes.
Performance Specifications
Under the carbon-fiber engine cover — finished in a black-and-copper motif with G-Power branding — the tuned inline-six delivers a headline number of 700 metric horsepower (approximately 690 bhp / 515 kW) and 850 Nm of torque. This output leap is achieved through ECU recalibration, upgraded turbocharging hardware and supporting hardware upgrades typical of G-Power conversions. For customers desiring even more, the G3M Bi-Turbo 800 is offered as a 25-unit limited edition producing 800 PS (about 789 hp / 588 kW) and 900 Nm (664 lb-ft) of torque.

Chassis, Exhaust and Braking
Although G-Power focuses on power, its upgrade packages typically include options for upgraded exhaust systems, reinforced cooling, and suspension and brake enhancements to handle increased speeds and torque. Buyers can expect tuned damping and stronger braking components to maintain safety and performance balance under hard use.
Market Positioning and Pricing
G-Power lists the entry price for converting any M3 (sedan or Touring) at around €14,900 (roughly $17,448), excluding the donor car. The flagship G3M Bi-Turbo 800 limited edition commands about €47,600 ($55,741) on top of the vehicle price. Note: BMW does not sell the M3 Touring in the U.S.; American buyers must choose the M3 Sedan range, with base pricing for the latest model year beginning at $78,400 for the standard M3 and $82,600 for the M3 Competition. The M3 Competition xDrive elevates the lineup further with an MSRP near $87,700.

How It Compares to Other Tuned M3s
Against other aftermarket M3 conversions, G-Power’s package focuses on a blend of high peak power, street usability and visual differentiation. The secret sauce is its combination of factory-fit tuning philosophy and high-quality components like carbon-fiber engine covers and bespoke wheels — positioning the G3M as a refined yet ferocious option in the tuned-M3 segment.
Conclusion
For buyers who want a practical family wagon that doubles as a track-capable performance car, G-Power’s G3M Bi-Turbo M3 Touring is an alluring option. With standout styling cues, interior personalization and a dramatic horsepower and torque increase, it’s one of the most extreme — and usable — super wagons on the market.
Source: autoevolution
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