Genuine BMW & MINI 55mm Exhaust Clamp / Clamping Bush OEM Sleeve Coupler 18307560778 Fits E88 E90 F30 F60 (116d, 218d, 335i, 735i)

OE 55 mm Exhaust Sleeve Connector for BMW and MINI - Part Number 18307560778

Stop exhaust blows and restore a factory-tight joint with this original equipment 55 mm pipe sleeve for BMW and MINI. Part number 18307560778 is the direct replacement joining sleeve used on countless models, giving a precise seal where two sections meet. Ideal for repairs, mid-pipe to rear silencer unions, centre section couplings and cat-back refits on platforms such as E88, E90, F30 and F60, plus engines including 116d, 218d, 335i and 735i.

We fit these in-house at MJ Modifications and they simply work. Consistent clamping force, correct diameter, reliable sealing performance and a neat, OE finish. Customers love the hassle-free fit and long-term durability compared with cheap universal joiners.

Key reasons to choose this OE sleeve coupler

• Genuine BMW component for 55 mm exhaust joints. Part number 18307560778
• Direct-fit replacement that matches factory tolerances for a tight, leak-free connection
• Perfect for centre pipe joints, backbox swaps, cat section joiners and performance system refits
• Eliminates rattles and exhaust leaks caused by corroded or damaged sleeves
• Correct 55 mm sizing for a secure clamp on compatible BMW and MINI applications

Common search phrases

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Specification

• Diameter: 55 mm
• Part number: 18307560778
• Manufacturer: BMW

Vehicle compatibility

Designed for BMW and MINI models using a 55 mm sleeve joint. Popular applications include:

BMW 1 Series

• E81, E87, E87 LCI, E82, E88: 116d, 118d, 118i, 120d, 120i
• F20, F21 and LCI: 114d, 116d, 118d, 120d
• F40: 118i

BMW 2 Series

• F22: 218d, 220d
• F44: 218i
• F45 Active Tourer and F46 Gran Tourer including LCI: 216i, 218i

BMW 3 Series

• E30: 318i, 318is
• E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, E93 LCI: 316d, 318d, 320d, 323i, 325i, 328i, 330i, 335d, 335i and xDrive variants
• F30, F30 LCI, F31, F31 LCI, F34 GT: 316d, 318d, 320d and xDrive variants

BMW 4 Series

• F32, F33, F36 Gran Coupé: 418d, 420d and xDrive variants

BMW 5 Series

• E28, E34, E39: 520i, 523i, 528i, 535i, 540i
• E60, E60 LCI, E61, E61 LCI: 540i, 545i, 550i

BMW 6 Series

• E63, E63 LCI, E64, E64 LCI: 630i, 635d, 645Ci, 650i

BMW 7 Series

• E38: 728i, 730i, 735i, 740d, 740i
• E65, E66: 735i, 740i, 745i

BMW 8 Series

• E31: 840i, 840Ci, 850Ci

BMW X and Z

• X1 E84, F48 and LCI: 16d, 18d, 18i, 20d
• X2 F39: 18i
• X3 E83, E83 LCI, F25: 2.0i, 2.5si, 3.0i, 3.0si, 28ix
• X5 E53, E70: 4.4i, 4.6is, 3.0si
• Z3 E36 Roadster: 1.8, 1.9
• Z4 E89: 18i, 20i, 23i, 28i, 30i

MINI

• R55, R56, R57 including LCI: Cooper S, Cooper SD
• R58, R59: Cooper S, Cooper SD
• R60 Countryman, R61 Paceman: One, One D, Cooper, Cooper D, Cooper S, Cooper SD and ALL4 variants
• F54 Clubman including LCI: One, Cooper
• F55, F56, F57: One, One First, Cooper
• F60 Countryman: One, Cooper, Cooper ALL4

Compatibility check

We will confirm fitment before dispatch. Add your UK registration or the last 7 of your VIN at checkout and we will verify that part number 18307560778 is the correct 55 mm sleeve for your vehicle.

Fitting and installation

Professional installation available at MJ Modifications, Warwickshire. For a fitting quote or to book, email info@mjmodifications.co.uk. This OE sleeve is a straightforward way to cure exhaust leaks when refitting centre sections, rear silencers or performance systems that use the 55 mm joint.

Warranty

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

Also known as

Exhaust sleeve joint 55 mm, BMW pipe sleeve 55mm, MINI pipe connector 55 mm, OE clamp sleeve 55mm, exhaust coupling sleeve 55 mm, mid-pipe joiner 55mm, centre section coupler 55mm, silencer coupling 55 mm, BMW 18307560778.