FEBI BILSTEIN Glow Plug – 47507 (7V Metal Glow Plug)

Quick Info

OE-quality 7V metal glow plug for BMW and MINI diesel engines.
Designed for reliable cold starting, smooth combustion and efficient diesel engine operation.

Description

FEBI BILSTEIN 47507 is an after-glow capable metal glow plug used in BMW common rail diesel engines.

The glow plug pre-heats the combustion chamber during cold starts and continues assisting combustion after startup for:

• Smoother idle
• Reduced diesel smoke
• Improved cold starting
• Better fuel efficiency

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Fitment

Engines:

• M47
• M57 / M57N / M57N2
• N47
• N57

⚠️ Some B47/B57 overlap may exist depending on production date. VIN check recommended.

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Common Models

• E90 / E91 320d / 330d / 335d
• E60 / E61 525d / 530d / 535d
• F30 320d / 330d
• F10 / F11 520d / 530d / 535d
• E70 X5 30d / 35d
• MINI Cooper D / SD

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Part Numbers

• FEBI: 47507
• BMW OE:
  • 12230035934
  • 12230038490
  • 12230053522
  • 12237803368
  • 12238580051

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Technical Details

• Type: Metal glow plug
• Voltage: 7V
• Thread size: M10 x 1
• Length: 134mm
• Spanner size: 10mm
• After-glow capable

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Notes

• OE-style direct replacement
• Designed for modern BMW common rail diesel engines
• Common service item on higher kilometre vehicles

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Important

❗ Always replace glow plugs carefully on aluminium cylinder heads
❗ Glow plug control module should be checked if faults remain
❗ Professional removal recommended on seized glow plugs

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Common issues when faulty

• Hard cold starting
• Excess smoke on startup
• Rough idle after start
• Glow plug warning faults
• Increased diesel emissions

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Fitment Summary

✔️ M47 / M57
✔️ N47 / N57
✔️ BMW & MINI diesel applications
✔️ 7V metal glow plug
❌ Not a spark plug