Sabon BMW M4 G82 ya tabbatar da cewa ya zama na'ura mai mahimmanci a cikin komai idan aka kwatanta da wanda ya riga shi - wani abu da muka tabbatar a cikin gwajin mu a gasar M4 -, yana nuna ƙarfin aikinsa. Da alama yana da dawakai fiye da waɗanda take talla… Shin da gaske haka ne?
A cikin Amurka, Rarraba IND ba ta ɓata lokaci ba don ɗaukar sabon M4 - na yau da kullun 480 hp, nau'in 550 Nm - zuwa bankin wutar lantarki, don ganin yadda "lafiya" dawakai a cikin layin silinda guda shida (S58) da ... voilà , abin bai bata rai ba.
Dangane da bayanan da IND Distribution ta tattara, sun auna a cikin ba a canza su ba, marasa gudu da kuma sabon BMW M4 kimanin 471 hp (464.92 hp) da 553 Nm… a ƙafafun! Lokacin ƙidayar asarar watsawa - Rarraba IND tana la'akari da ruɓewar ikon 15% - wannan yana fassara zuwa 554 hp (547 hp) da 650 Nm a crankshaft, 74 hp da 100 Nm fiye da ƙimar hukuma.
wasu caveats
Kamar yadda aka saba a waɗannan lokutan, yana da kyau a kalli waɗannan sakamakon da taka tsantsan, saboda gwajin bankin wutar lantarki ba yawanci kimiyya ba ne. Duk kayan aunawa suna da tazarar kuskure kuma akwai sauye-sauye da yawa waɗanda zasu iya yin tasiri ga sakamakon (daga yanayin yanayi zuwa yanayin ƙasa zuwa daidaita kayan aiki).
Asarar watsa 15% shima abu ne da za'a iya muhawara dashi, saboda a cikin motocin kwanan nan an sami raguwar asarar watsawa, kusan kashi 10%. Duk da haka, idan aka yi la'akari da cewa kashi 10%, wannan BMW M4 dole ne ya sami 518 hp na crankshaft ikon, wanda darajar ta zarce 510 hp na gasar BMW M4.
Ba shi ne karo na farko da muka ba da rahoton ƙirar BMW M masu darajar doki fiye da yadda aka yi talla ba - kamar misalin BMW M5 F90 wanda ya caje sama da 100 hp. Kuma ba wai kawai BMW M ba; kwanan nan mun ba da rahoton gwajin wutar lantarki guda biyu akan McLaren 765LT wanda kuma ya nuna fiye da 765 hp na hukuma.
Jami'in da aka tallata ƙimar ƙarfin doki ya kasance, a zahiri, masu ra'ayin mazan jiya ne (ban da waɗannan injunan turbo masu girma). Wannan ita ce hanyar da za a bi don rufe duk wani rarrabuwar kawuna da ka iya tasowa - babu injuna biyu da suka yi daidai da gaske, duk da tsananin juriya na yau - kuma don tabbatar da cewa, aƙalla, lambobin hukuma sun cika.
Duk da haka, waɗannan bambance-bambance ba yawanci ba ne kamar yadda muka gani a cikin wannan misali na sabon BMW M4. Dole ne mu jira ƙarin gwaje-gwaje don ganowa, tare da ƙarin tabbaci, idan sakamakon da aka samu ta Rarraba IND ya tabbata ko a'a.