18 32 082 Replacing exhaust pipe with catalytic converter, cyl. 4-6 (N52K)

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the cutting line is not marked by a punch mark in the pipe, determine the cutting line by means of the pipe length on the new exhaust pipe with catalytic converter (1). Carry over cutting line to faulty exhaust pipe with catalytic converter (1) and mark out.

Fig 1: Carry Over Cutting Line To Faulty Exhaust Pipe With Catalytic Converter (1) And Mark Out

Cut exhaust pipe at marked point with special tool 00 2 210 and deburr.

Fig 2: Cut Exhaust Pipe At Marked Point With Special Tool 00 2 210 And Deburr

Release nuts and remove exhaust pipe

Replace self-locking nuts.
Replace seals.
Tightening torque 18 31 2AZ, see 18 31 2AZ in 31 EXHAUST PIPE WITH MOUNTING .

Fig 3: Replace Self-Locking Nuts & Seals

Installation: Connect exhaust pipe to centre muffler by means of clamp and align. Centre clamp and tighten down. Tightening torque, see 18 20 5AZ in 20 EXHAUST SYSTEMS SUSPENSION .

Fig 4: Centre Clamp And Tighten Down

Check exhaust system for leaks.