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Being amongst the first to remap the BMW 135i we've perfected the upgrade to give significant gains throughout the rpm range (see dyno graph below)
Additional 80-90 hp on a stock vehicle
It is the most cost effective way of releasing power from this car
The existing EEC approval ensures a total legality in the everyday street use
Akrapovic Slip On Line (Titanium) - BMW 1 Series E82 1M Evolve Downpipe Being amongst the first toPower +3. 5 kW at 5670 rpm Torque +4. 6 at 3100 rpm Weight 1. 2 kg Utilizing a single muffler arrangement, the fully titaniumAkrapovic Slip On is designed to be modular. In its basic mode, all exhaust gases flow through the muffler, giving you a deeper rumble of an exhaust note compared to stock without any drone. However, the muffler system is built in such a way that by replacing a blocking plate with the optional Akrapovic sound kit valve system