Genuine BMW N55 Exhaust Clamp 18307620349 – Front Muffler/Downpipe to Mid Pipe with Seal Ring – F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 F87 (M135i M235i 335i 435i M2)

Genuine BMW N55 Exhaust Clamp 18307620349 – Front Muffler/Downpipe to Mid Pipe with Seal Ring – F20 F21 F22 F23 F30 F31 F34 F32 F33 F36 F87 (M135i M235i 335i 435i M2)

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Genuine BMW N55 F20 F30 F32 F87 Front Muffler Screw Clamp with Seal Ring — Part No. 18307620349

Looking for a Genuine BMW exhaust clamp to stop leaks between your catalytic converter downpipe and centre exhaust section on an N55? This is the OEM front muffler screw clamp with integrated seal ring designed for F-chassis BMWs running the N55 engine. It is the correct downpipe to mid pipe clamp for models such as M135i, 335i, 435i and M2, ensuring proper alignment, a gas-tight seal and factory-level durability.

Part number 18307620349 is the exact BMW component engineered to meet OE fitment and performance standards. As a Genuine BMW exhaust clamp with seal, it delivers reliable sealing, prevents unwanted exhaust leaks and rattles, and helps maintain performance, efficiency and sound quality. This is the latest BMW design and revision for a perfect fit on N55 F20, F21, F22, F23, F30, F31, F32, F33, F36 and F87 applications.

Why choose this Genuine BMW exhaust clamp 18307620349

  • OE fit and finish for N55 F-chassis BMWs
  • Correct front muffler screw clamp with integrated seal ring
  • Connects catalytic converter downpipe to centre exhaust section
  • Helps eliminate exhaust leaks and restore factory sealing
  • Latest BMW design and specification for long-term reliability
  • Backed by a two-year BMW warranty for UK customers

We use this Genuine BMW clamp on our own N55 builds and it simply works. Fit is spot on, sealing is excellent and it is the go-to solution when refreshing or upgrading the exhaust on M135i, 335i, 435i and M2 platforms. Our customers consistently report easy fitment and a noticeable improvement where old or worn clamps had been causing issues.

Common searches this part fits

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Compatibility

Fits the following N55 F-chassis BMW models:

  • 1 Series F20 F21 N55 (07/2010 — 02/2015)
    • M135i, M135ix
  • 1 Series F20 F21 LCI N55 (05/2014 — 06/2019)
    • M135i, M135ix
  • 2 Series F22 F23 N55 (06/2014 — 06/2017)
    • M235i, M235ix
  • 3 Series F30 N55 (02/2011 — 07/2015)
    • 335i, 335ix, Hybrid 3
  • 3 Series F31 N55 (07/2011 — 06/2015)
    • 335i, 335ix
  • 3 Series F34 GT N55 (07/2013 — 06/2016)
    • 335i, 335ix
  • 4 Series F32 N55 (04/2015 — 02/2017)
    • 435i, 435ix
  • 4 Series F33 N55 (03/2013 — 02/2017)
    • 435i, 435ix
  • 4 Series F36 Gran Coupé N55 (07/2013 — 03/2017)
    • 435i, 435ix
  • M Series F87 M2 N55 (11/2014 — 06/2017)
    • M2
  • M Series F87 LCI M2 N55 (09/2016 — 06/2018)
    • M2

Part number

BMW 18307620349

Manufactured by

BMW

Warranty

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a VIN is provided at checkout on compatible vehicles.

Professional fitting

For expert installation, we recommend booking with Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Compatibility check before dispatch

We will verify fitment prior to shipping. Simply provide your UK registration number or the last 7 digits of your VIN at checkout to ensure this Genuine BMW exhaust clamp with seal ring 18307620349 is right for your vehicle.