The highest mannequin of the upcoming BMW Z4 lineup may be supplied in two configurations. The 2018 BMW Z4 M40i – codename G29 – is at the moment being examined with two engine configurations. The B58M1 three.zero liter six-cylinder engine is below the hood of 1 Z4 M40i making 335 horsepower. A second engine – B5801 – with the identical displacement is being utilized in a second M40i with a complete output of 385 horsepower.
At first look, the completely different in energy output appears to rely on the emissions requirements – the upper energy model is being constructed for the nations with out EU emissions laws, together with the US. The transfer might be fairly uncommon for BMW which traditionally has tried to be constant throughout completely different markets, with a number of adjustments, particularly associated to diesel engines.
Moreover, it isn’t additionally the primary time that BMW is testing completely different engine configurations earlier than selecting the manufacturing unit, so at the moment, we are able to’t state with certitude that the Z4 M40i might be supplied with two completely different energy choices.
We’ve also learned a while back that there won’t be a new Z4 M, in order that guidelines out the opportunity of a better energy output getting used within the M mannequin.
But when we have been to wager on one thing it will be a Competitors Package deal being supplied for the Z4 M40i which can clarify the extra horsepower and sure extra torque.
What we do know for positive is that the Z4 might be powered by 4 and six-cylinder engines. The bottom mannequin is the Z4 sDrive20i, powered by a 2.zero liter four-cylinder unit rated at 180 horsepower and 200 lb-ft of torque. The sDrive30i options the identical engine with 248 hp and 258 lb-ft.