Twenty years after BMW launched the 1 Collection into the compact premium section, the Munich automaker launched the fourth generation in summer time 2024. The F70 M135 xDrive—the range-topping variant with 300 horsepower—has now caught the eye of Swiss tuning specialist dAHLer Competitors Line, which has developed a complete improve bundle focusing on each efficiency and aesthetics.
Energy and Exhaust
The centerpiece of dAHLer’s program is the Stage 1 energy improve for the B48 2.0-liter turbocharged four-cylinder. The modification will increase output from the manufacturing facility 300 horsepower to 340 hp, whereas torque climbs from 400 Nm to 480 Nm. A Stage 2 choice delivers extra efficiency for patrons looking for extra aggressive tuning. Complementing the engine work is a stainless-steel four-pipe exhaust system developed in-house. Each the ability improve and exhaust are individually out there or may be mixed. Importantly, the Stage 1 bundle maintains compliance with Euro 6e emissions requirements below WLTP testing protocols and carries EU and Swiss homologation certification.
Chassis Refinement
For chassis dynamics, dAHLer affords a tiered method. The high-performance coilover suspension supplies each adjustable trip top and user-configurable damping stiffness, permitting house owners to dial of their most well-liked stability between compliance and responsiveness. For these prioritizing visible advantages over intensive adjustability, dAHLer’s sport springs provide a extra easy resolution. These elements are particularly calibrated to work with the M135’s manufacturing facility adaptive M-specification dampers.
Wheels and Visible Upgrades
dAHLer’s in-house wheel lineup options prominently within the visible bundle. The CDC1 design employs ten powerfully sculpted spokes in a standard aesthetic, whereas the CDC2 Solid presents a extra intricate look—its overlapping double-spoke sample creates a three-dimensional impact. Each designs can be found in 8×20-inch sizing wrapped in 235/35R20 rubber. The CDC2 may be laid out in varied finishes, together with a “dAHLer Version” variant with partially polished faces that additional emphasizes the wheel’s dimensional styling.
At present in improvement is a carbon fiber entrance spoiler lip designed to sharpen the M135’s front-end look and reinforce its performance-oriented stance.
For pricing, availability, and detailed specs, events can contact dAHLer Competitors Line instantly at their Belp headquarters or by means of their web site at daehler-tuning.com.
