Change Car Glow Plugs BMW X6

Change Car Glow Plugs

Intermediate 1h00–8h00 ~100–800£
Estimated time 1h00–8h00
Estimated labour cost ~100–800£
Difficulty Intermediate
Vehicles
X6 2008-2014 4
  • 30dX Diesel (M57D30N2)
  • 30dX Diesel (N57D30A)
  • 40dX Diesel (N57D30B)
  • M50dX Diesel (N57D30C)
X6 2014-2019 6
  • xDrive 30d Diesel (N57D30A)
  • xDrive 30d Diesel (N57D30A)
  • xDrive 30d Diesel (N57D30A)
  • xDrive 30d M Performance Diesel (N57D30A)
  • xDrive 40d Diesel (N57D30B)
  • xDrive M50d Diesel (N57D30C)
X6 2019-2025 2
  • M50d Diesel (B57D30C)
  • xDrive 40d mHev 48V (MHEV),Diesel (B57D30B+JA1)

What is the role of BMW X6 glow plugs?

Glow plugs are used in diesel engines to preheat the combustion chamber before starting, particularly in cold weather. Unlike petrol engines that use spark plugs to ignite the fuel, diesel engines rely on compression ignition. Modern glow plugs also remain active after starting to reduce emissions and noise during the warm-up phase.

When should you change your BMW X6 glow plugs?

Generally, glow plugs last between 80,000 and 160,000 km. Symptoms of failing glow plugs include: difficulty starting in cold weather, white or grey exhaust smoke on start-up, rough idle during warm-up, the glow plug warning light remaining illuminated, and increased fuel consumption.

How do I know if the BMW X6 glow plugs need changing?

Via the EOBD diagnostic system, faulty glow plugs will trigger fault codes (typically P0380–P0384 for glow plug circuit faults). Individual glow plug resistance can be measured with a multimeter (typically 0.5–2 ohms for a good plug).

Is it difficult to change BMW X6 glow plugs?

Difficulty level 3/5: intermediate. Glow plugs can seize in the cylinder head over time due to heat and corrosion, making removal difficult and risking breakage. Key steps: warm the engine first, apply penetrating oil, use the correct glow plug socket, unscrew carefully (do not force — a broken glow plug requires specialist extraction).

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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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View the service schedule for your X6 →