The mild-hybrid system used to support and relieve the internal combustion engine in many of the BWW vehicles works with its full potential when paired with the custom M340i xDrive “DCL Dahler competition line. This 48-volt mild-hybrid technology is based on a starter-generator and a battery and manages to reduce the fuel consumption and contribute to some power output boost.
The specialists at Dahler have put the factory-installed B58 power unit through some power-enhancing upgrades and have managed to extract all the output potential of the unit and ensure a rewarding driving experience.

The upgrade pack for the M340i xDrive (G20/G21) “DCL Dahler competition line is consistent of:
- Power boost level 1 “powered by Dahler”: 320 kW (435 hp), 610 Nm (450 ft-lb) WLTP-E6d tested and approved for sale in the EU and Switzerland, with the corresponding supplementary warranty in addition to factory warranty.
- Power boost level 2 “powered by Dahler”: 334 kW (455 hp), 640 Nm (472 ft-lb), incl. increase of the series V/max limit. (In preparation)
- Stainless steel exhaust system “built by Dahler” with the sporty, and instantly recognizable roar. Optionally, the exhaust system can be rounded off with 4 ceramic-coated 90mm Dahler tailpipes.
- A conversion package with a power boost in combination with the Eventuri intake system.
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Also, optionally, buyers can specify their vehicle with Competition Coilover suspension that is specially tailored to the vehicle and provides a smooth and sporty supple drive.

Source: Dahler
Dähler Design, along with Technik GmbH in Belp have created a sort of ultra-exclusive project. Both teams have worked for collaborative project and now we can finally see the result: a super sexy BMW M2 Convertible machine that showcases not only technological innovation, but also team’s dedication and passion for creating ever-evolving gadgets and technologies.


Have you ever dreamt of substituting the ultimate BMW M2 Coupe’s engine with a larger one? For example with the one used by the M4 model. What would happen? Well, we can stop imagining and see the results of the specialists at the tuning studio at dÄHLer, who have made exactly this.
Daehler is mainly known for its know-how in modifying BMW vehicles. This time under their expertise fell the X5 M (F85) and X6 M (F86) models, because they have one main thing in common: their potent M-TwinPower-Turbo-V8 engine. This powerplant has a standard output of 575 HP (423 kW) and 750 Nm (554 lb-ft). Therefore, DAEHLER were obliged to create a two step program which enhances car’s horsepower capabilities. And here are the details:
dÄHLer BMW M235i Cabriolet is a product of the Swiss tuning company dÄHLer Design & Technik GmbH. The aim in every project the experts do is to eventually offer optimized and exclusive driving pleasure. And this is exactly what has happened with this BMW M235i Cabrio. As a matter of fact, the car is the forerunner of M2 and this makes everything a little bit more exhilarating.