Quote:
Originally Posted by sinbad4
Two versions of new b58. Lesser one has the hedifold and is featured in the Supra. Tother one is separate exhaust manifold and produces the 382 ponies.
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Way more than 2 versions already.
The various B58 engines can be separated by "generation" / "Technical Update" version (TU0 vs. TU1), as shown in the last # in the Engine Code.
They can also be separated by their power-level code as shown by the last letter in the Engine Code: "M" for Mittel (Medium power spec), or "O" Obere (upper power spec).
TU0 Engines
B58B30M0 "Medium Performance"
B58B30M0: 240 kW (321 HP) version
Applications:
2016–2019 G11/G12 740i/Li
2016–present F32/F33/F36 440i
2016–2019 F30/F31/F34 340i
B58B30M0: 250 kW version (335 HP)
Applications:
2016–2019 F20/F21 M140i
2016–present F22/F23 M240i[11]
2017–2019 G30/G31 540i[12]
2017–2019 G32 640i
B58B30M0: 265 kW version
Applications:
2017-2019 G01 X3 M40i[13]
2018-2019 G02 X4 M40i
B58B30M0: 265 kW (355 HP) version
This version was used for 3-/4-Series with the "M Performance Power Pack and Sound Kit".
Applications:
2016-2019 F30/F31/F34 340i[14]
2016-present F32/F33/F36 440i
2017-2019 G30/G31 540i[15]
TU1 Engines
B58B30M1 "Medium Performance"
B58B30M1: 250 kW (335 HP)
Applications:
2018-present G05 X5 xDrive40i/sDrive40i[16]
2018-present G07 X7 xDrive40i
2018-present G29 Z4 M40i (in countries subject to EU emissions standards)[17]
2020-present G30/G31 540i
2020–present G32 640i
2020-present G06 X6 xDrive40i
2020-present G11/G12 740i
2020-present G14/G15/G16 840i
2020 Morgan Plus Six[18]
B58C30O1 "Upper Performance"
335 HP -this is the special 2020+ Supra SKU engine
B58B30O1 "Upper Performance"
382 HP -This is the new TU1 spec engine in the 2018+ Z4 M40i, 2019+ M340i, 2020+ G01 X3 M40i and 2020+ G02 X4 M40i (Despite wikipedia saying 2019+ on these).
-Based upon the TU1 PDF that got leaked, I believe that all engines ending in "01" include the hedifold. The same document hinted that there's a lower power version and a higher power version that has improved exhaust ports in the head. (Might be the difference between the C30O1 and the B30O1...)
That's my best guess. I'd LOVE to see whether the 2020 X3 / X4 M40is have a head-to-turbo manifold that includes 2 ports or 6 ports. -Sinbad, you've got a 2020 X3 M40i -does the manifold have 2 ports or 6 where it attaches to the head?
Adam