Change Car Rear Silencer BMW X6

Change Car Rear Silencer

Easy 1h30–3h00 ~150–300£
Estimated time 1h30–3h00
Estimated labour cost ~150–300£
Difficulty Easy
Remove/refit the silencer 1h30–3h00
Renew the silencer 1h30–3h00
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Repair the main silencer 0h30
Align the main silencer* 0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 1h00–3h00
Renew the rear silencer 1h00–3h00
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Remove/refit the main silencer 1h00
Renew the main silencer 1h00
Repair the main silencer* 1h30
Repair the rear silencer* 1h30
Remove/refit the rear silencer trim 3h30
Renew the rear silencer trim 3h30
Remove/refit the front silencer 1h00–3h30
Renew the front silencer 1h00–3h30

What is a BMW X6 rear silencer?

The rear silencer (also called the back box or rear muffler) reduces exhaust noise to an acceptable level. It is located at the end of the exhaust line, after the catalytic converter, particulate filter (if fitted), and sometimes an intermediate silencer.

When should you change the BMW X6 rear silencer?

No periodic replacement interval is specified. Carry out regular visual inspections for corrosion, holes, and deteriorated mounting rubbers. Signs that replacement is needed: louder exhaust noise, rattling from loose baffles, visible rust holes, exhaust fumes entering the cabin, or failure at the MOT/roadworthiness test.

Is it difficult to change the BMW X6 rear silencer?

Difficulty level 2/5: technically easy but may require effort if bolts and clamps are rusted. Key steps: raise the vehicle, apply penetrating oil to clamp bolts, remove the clamp connecting the silencer to the intermediate pipe, remove the mounting rubber hangers, fit the new silencer with new gasket/clamp, reattach mounting rubbers, check for leaks with engine running.

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View your X6 maintenance plan (keep the X6 token) →

3 models covered

Model Year Range Engines covered Fuel
X6 2008-2014 2008-2014 30dX Diesel (M57D30N2), 30dX Diesel (N57D30A), 35iX Petrol (N54B30A), 35iX Petrol (N55B30A), 40dX Diesel (N57D30B), 50iX Petrol (N63B44A), 50iX Petrol (N63B44A), M Petrol (S63B44A), M50dX Diesel (N57D30C) Diesel, Petrol
X6 2014-2019 2014-2019 M Petrol (S63B44B), xDrive 30d Diesel (N57D30A), xDrive 30d Diesel (N57D30A), xDrive 30d Diesel (N57D30A), xDrive 30d M Performance Diesel (N57D30A), xDrive 35i M Performance Petrol (N55B30A), xDrive 35i Petrol (N55B30A), xDrive 40d Diesel (N57D30B), xDrive 50i Petrol (N63B44B),… Diesel, Petrol
X6 2019-2025 2019-2025 M50d Diesel (B57D30C), M50i Petrol (N63B44D), xDrive 30d Diesel (B57D30A), xDrive 40d mHev 48V (MHEV),Diesel (B57D30B+JA1), xDrive 40i Petrol (B58B30C) 48V (MHEV), Diesel, Petrol

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