BMW B58 Downpipe Gasket & Clamp Replacement kit OEM | B58 Gen 1 or Gen 2

We strongly advise replacing the gasket & clamps when you install a different downpipe on your car, ensuring a perfect fit and seal.  

Contains (all OEM parts): 

• Downpipe gasket
  - Center muffler clamp
  - Turbocharger clamp
  
  

  Fitment

  B58 Gen 1 (approx. 2015–2019)
  Gen 1 models primarily have an "F" chassis code (except for some early G-chassis models) and are typically designated as 40i
  1 Series: F20/F21 M140i
  2 Series: F22/F23 M240i
  3 Series: F30/F31/F34 340i
  4 Series: F32/F33/F36 440i
  5 Series: G30/G31 540i (early models, approx. 2017-2019)
  7 Series: G11/G12 740i/Li (early models, approx. 2016-2019)
  X Series (SUVs): G01 X3 M40i (early models, approx. 2017-2019), G02 X4 M40i (early models, approx. 2018-2019) 

   

   

   

   

   

   

   

  B58 Gen 2 / B58TU (Technical Update 1) (approx. 2019–2023)
  Gen 2 engines (often referred to as B58TU or B58TU1, with variants like B58B30O1 for performance models and B58B30M1/C for others) introduced major hardware changes, including a revised cylinder head with integrated exhaust manifold, updated cooling system, and upgraded fuel pump. These models typically use the M40i designation.
  
  2 Series: G42 M240i (non-EU markets initially)

  3 Series: G20/G21 M340i (non-EU markets initially)
  4 Series: G22/G23/G26 M440i
  5 Series: G30/G31 540i (LCI/facelift models, approx. 2020-2023)
  6 Series: G32 640i (approx. 2020-2023)
  7 Series: G11/G12 740i (LCI models, approx. 2020-2022)
  8 Series: G14/G15/G16 840i
  X Series (SUVs): G01 X3 M40i (later models), G02 X4 M40i (later models), G05 X5 xDrive40i (approx. 2019-2023), G06 X6 xDrive40i (approx. 2020-2023), G07 X7 xDrive40i (approx. 2018-2023)
  Z Series (Roadster): G29 Z4 M40i 

  
  

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