Change Car Spark Plugs BMW 5-Series

Change Car Spark Plugs

Easy 0h30–2h30 ~50–250€
Temps estimé 0h30–2h30
Coût estimé ~50–250€
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)

What is the role of BMW 5-Series spark plugs?

The spark plug generates a spark at the precise moment needed to ignite the air/fuel mixture in the combustion chamber of petrol (or LPG) engines. The engine management system controls ignition timing.

When should you change your BMW 5-Series spark plugs?

Manufacturers provide replacement recommendations; refer to your vehicle maintenance booklet. Generally replace every 60,000 km (45,000 km for severe use). Some vehicles with long-life plugs (titanium, platinum, iridium) can go 100,000–150,000 km.

How do I know if I need to change my BMW 5-Series spark plugs?

Via the EOBD system (mandatory since 2001 on petrol cars), faulty spark plugs will trigger fault codes, typically P0301–P0304 (misfire, cylinders 1–4). Symptoms include: difficulty starting, misfires, reduced engine power, increased fuel consumption.

Is it difficult to change BMW 5-Series spark plugs?

Difficulty level 2/5: technically easy but requires specific tools (spark plug wrench, torque wrench). Key points: wait for cold engine, clean plug well with compressed air before removal, never use a dropped plug, do not grease threads, hand-tighten then torque to specification.

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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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