Change Car Rear Silencer BMW 5-Series

Change Car Rear Silencer

Easy 0h45–2h30 ~75–250€
Temps estimé 0h45–2h30
Coût estimé ~75–250€
Difficulté Easy
Motorisations
5-Series 1987-1997 3
  • 525i Gas (M20B25M)
  • 525i, -ix Gas (M50B25)
  • 535i Gas (M30B35M)
5-Series 1996-2004 4
  • 525i, -LPG LPG,Gas (M54B25 (256S5))
  • 528i, -LPG LPG,Gas (M52B28 (286S1))
  • 528i, -LPG LPG,Gas (M52B28TU (286S2))
  • 530i, -LPG LPG,Gas (M54B30 (306S3))
5-Series 2003-2011 6
  • 525i, -LPG LPG,Gas (M54B25)
  • 525i, Xi LPG,Gas (N52B25A)
  • 530i, -LPG LPG,Gas (M54B30)
  • 545i, -LPG LPG,Gas (N62B44A)
  • 550i, -LPG LPG,Gas (N62B48B)
  • M5, -LPG LPG,Gas (S85B50A)
Remove/refit the silencer 0h45–2h30
Renew the silencer 0h45–2h30
Repair the silencer* 1h30
Remove/refit the front silencer 1h30
Renew the front silencer 1h30
Repair the front silencer 0h30
Align the front silencer 0h30
Remove/refit the main silencer 1h30–2h30
Renew the main silencer 1h30–2h30
Repair the main silencer 0h30
Align the main silencer 0h30–0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 0h45–2h30
Renew the rear silencer 0h45–2h30
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45–6h00
Difficult rear silencer removal 0h30–0h30
Remove/refit the rear silencer trim 0h30
Renew the rear silencer trim 0h30
Remove/refit the exhaust pipe bracket 0h30
Renew the exhaust pipe bracket 0h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Remove/refit the centre and rear silencers 2h00
Renew the centre and rear silencers 2h00
Remove/refit the rear left silencer 1h00–2h30
Weld a sheet-metal repair panel onto the rear silencer 0h30
Repair the main silencer* 0h30
Align the main silencer* 0h30
Difficult rear silencer removal* 0h30
Renew the rear left silencer 1h00
Remove/refit the rear right silencer 1h00
Renew the rear right silencer 1h00
Remove/refit both rear silencers 1h30
Renew both rear silencers 1h30

What is a BMW 5-Series 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 5-Series 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 5-Series 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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4 générations couvertes

Génération Période Motorisations Carburant
5-Series 1981-1988 1981-1988 524td Diesel (M21D24), 533i Gas (M30B32E), 535i Gas (M30B34) Diesel, Gas
5-Series 1987-1997 1987-1997 525i Gas (M20B25M), 525i, -ix Gas (M50B25), 535i Gas (M30B35M) Gas
5-Series 1996-2004 1996-2004 525i, -LPG LPG,Gas (M54B25 (256S5)), 528i, -LPG LPG,Gas (M52B28 (286S1)), 528i, -LPG LPG,Gas (M52B28TU (286S2)), 530i, -LPG LPG,Gas (M54B30 (306S3)) Gas, LPG
5-Series 2003-2011 2003-2011 525i, -LPG LPG,Gas (M54B25), 525i, Xi LPG,Gas (N52B25A), 530i, -LPG LPG,Gas (M54B30), 545i, -LPG LPG,Gas (N62B44A), 550i, -LPG LPG,Gas (N62B48B), M5, -LPG LPG,Gas (S85B50A) Gas, LPG

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