Dee ihe na-aga n'ihu maka paragraf a - Maka oge 1986, Murray haziri ihe dị ala BT55 chassis, nke ebumnuche ya bụ iji belata ụgbọ ala ahụ nke ọma ma belata ebe etiti ya. BMW rụpụtara M12/13/1 engine, nke a na-atụgharị n'akụkụ iji dabara na obere ohere e kenyere engine. N'agbanyeghi uru nke usoro iwu ya, BT55 gosipụtara na ọ bụghị asọmpi, na-ata ahụhụ site na traction na-adịghị mma na ọtụtụ mmebi nke arụ ọrụ nke kpatara nsogbu mmanụ na injin na-atụgharị. Ọzọkwa, ndị otu ahụ tara ahụhụ ọnwụ nke Elio de Angelis n'ihe mberede nnwale mgbe agbụrụ anọ gasịrị; onye nnọchi ya Derek Warwick na ndị otu na-alọghachi Patrese nwetara isi ihe abụọ n'etiti ha n'oge niile. Ndị otu Arrows gbadara azụ, wee nweta naanị otu isi ihe na Boutsen, Surer na Christian Danner, ma tụfuru ọrụ Surer n'etiti oge mgbe onye ọkwọ ụgbọ ala Switzerland merụrụ ahụ nke ukwuu na ihe ọghọm rally. Mmekọrịta kachasị nke ọma nke BMW na 1986 bụ ya na ndị otu Benetton ọhụrụ, bụ ndị nwetara akara 19, meriri na Mexico Grand Prix
wee were ọnọdụ abụọ na Berger na Teo Fabi. Arrows na Benetton gara n'ihu na-eji ụdị mbụ "eguzogide" nke engine M12/13.