Genuine BMW 63.5mm Exhaust Clamp Sleeve/Bush (Centre Sleeve) OE Band Clamp Joiner Fits N20 N52 N53 N62 N73 1/3/5/7 Series, Z8, MINI Cooper S 18307536425

BMW 63.5 mm Exhaust Coupling Sleeve 2.5 inch Pipe Connector – Genuine Part 18307536425

Looking for a factory-spec exhaust connector for BMW or MINI that actually seals and stays put under heat and load? This genuine BMW coupling sleeve delivers a precise 63.5 mm fitment, giving a tight, leak-free union on centre sections and mid-pipes. It is the correct original equipment connector for a wide range of six and eight-cylinder BMW applications plus MINI Cooper S, and it is exactly what we use in-house because it works every time. Part number: 18307536425.

Ideal for refitting a standard silencer or pairing with BMW M Performance systems, this 2.5 inch pipe joiner is a direct replacement that keeps alignment true, prevents exhaust blows and maintains OE refinement. Our customers consistently rate this connector for reliability and ease of installation.

Why this OEM coupling is the right choice

• Original BMW component for 63.5 mm pipework – no universal guesswork
• Strong, secure clamping force for a dependable seal at the centre joint
• Perfect for mid-section repairs, back box swaps and cat-back refreshes
• Exact-match replacement using BMW part number 18307536425

Sizing and search-friendly terms

Also searched as: 2.5 inch BMW exhaust coupler, centre pipe union, mid-pipe sleeve, silencer joint sleeve, backbox connector, pipe joiner 63.5, exhaust band sleeve, link pipe coupler, BMW pipe sleeve 18307536425, E90 mid pipe connector, E39 M5 centre sleeve, MINI R53 exhaust coupler, Z8 link sleeve.

Compatibility overview

Suited to models using a 63.5 mm centre joint across the following platforms and engine families. Always check the pipe diameter and your vehicle details before ordering.

• Engine families: N20, N52, N53, N62, N73
• BMW 1 Series
  • E81 130i
  • E87 130i, E87 LCI 130i
  • F20 125i, F20 LCI 125i
  • F21 125i, F21 LCI 125i
• BMW 3 Series
  • E90 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335xi
  • E90 LCI 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi
  • E91 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi
  • E91 LCI 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi
  • E92 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi
  • E92 LCI 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi
  • E93 323i, 325i, 325xi, 328i, 330i
  • E93 LCI 323i, 325i, 328i, 330i
• BMW 5 Series
  • E39 M5
• BMW 7 Series
  • E65 760i
  • E66 760Li
  • E67 760LiS
• BMW Z8
  • E52 ALPINA V8, Z8
• MINI
  • R53 Cooper S, Cooper S JCW GP
  • R52 Cabrio Cooper S

Part number

BMW 18307536425

Fitment check

We will confirm compatibility before dispatch. Add your UK registration or the last seven characters of your VIN at checkout so we can verify this 63.5 mm connector suits your vehicle.

Professional installation

Want it fitted by specialists in Warwickshire? Choose MJ Modifications for expert installation. Email info@mjmodifications.co.uk to request a fitting quote.

Manufacturer and warranty

Manufacturer: BMW

Warranty: Two years for UK customers and one year for international orders when a compatible VIN is supplied at checkout.

In-house feedback

We install this genuine connector regularly on BMW and MINI platforms and it remains a favourite with our customers for its straightforward fit, solid clamping force and long-term sealing performance.