BMW Index 12 High-Pressure Direct Piezo Fuel Injector (GDI) Genuine OEM Eldor 13538616079 / 13 53 8 616 079 - N54 N63 N74 S63 - Replacement/Upgrade for 135i 1M 335i 335

BMW Index 12 Direct Injector - Part No. 13538616079

Unlock smooth, dependable power with the latest Index 12 direct petrol injector for BMW N54, N63, N74 and S63 engines. This authentic BMW piezo high-pressure injector delivers precise fuelling and stable spray pattern under boost, helping to cure hesitations, misfires, lumpy idle and poor cold starts while supporting tuned setups. If your turbo BMW feels inconsistent or you are refreshing the fuel system ahead of upgrades, this is the go-to replacement for long-term reliability.

At MJ Modifications we install these Index 12 units on our own builds and customer cars with excellent results. Owners consistently report cleaner idle quality, sharper throttle response and strong, repeatable performance pull after pull. Choose a genuine dealer part for perfect fit, factory calibration quality and peace of mind.

Why this Index 12 injector is the smart upgrade

• Latest revision for N54, N63, N74 and S63 direct injection engines
• Precise metering and consistent atomisation for stock and mapped cars
• Direct replacement with OEM fitment and compatibility
• Ideal fix for misfire under load, rough idle, hard starting and lost power
• Authentic BMW component manufactured by Eldor

What you receive

• 1 x BMW Index 12 direct injector - Part number: 13538616079

Installation notes

• For best results replace the full bank or full set together.
• Coding to the DME is required after fitment by a BMW-capable specialist.
• One injector retaining clip is needed per injector. Clips are required and supplied separately.

Need fitting and coding? MJ Modifications offers professional installation in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Vehicle applications

Suitable for the following BMW platforms and models using N54, N63, N74 or S63 engines:

• 1 Series E82 E88 - 11/2006 to 06/2012
  • 135i, 1M Coupe (N54)
• 3 Series E90 E91 E92 E93 - 03/2006 to 10/2013
  • 335i, 335i xDrive, 335is (N54)
• 5 Series E60 E61 LCI - 04/2006 to 12/2009
  • 535i, 535i xDrive (N54)
• 5 Series F07 F10 F11 - 09/2008 to 06/2012
  • 550i, 550i xDrive (N63)
• 6 Series F12 F13 - 11/2009 to 06/2012
  • 650i, 650i xDrive (N63)
• 7 Series F01 - 06/2007 to 06/2012
  • 740i, 750i, 750i xDrive, ALPINA B7, ALPINA B7 xDrive (N63)
• 7 Series F01 LCI - 07/2011 to 11/2014
  • 760i (N74)
• 7 Series F02 - 07/2007 to 06/2012
  • 740Li, 750Li, 750Li xDrive, 760Li, ALPINA B7L, ALPINA B7L xDrive (N54, N63, N74)
• 7 Series F02 LCI - 05/2011 to 05/2015
  • 760Li (N74)
• 7 Series F03 - 04/2008 to 05/2012
  • 750Li S, 760Li S (N63, N74)
• 7 Series F03 LCI - 01/2012 to 03/2015
  • 750Li S, 760Li S (N63, N74)
• 7 Series F04 Hybrid - 10/2008 to 06/2012
  • ActiveHybrid 7, ActiveHybrid 7L (N63)
• X5 E70 - 07/2008 to 06/2013
  • X5 M (S63)
• X5 E70 LCI - 04/2009 to 06/2013
  • 50i xDrive (N63)
• X6 E71 - 01/2007 to 06/2014
  • 35i xDrive, 50i xDrive, X6 M (N54, N63, S63)
• X6 E72 Hybrid - 10/2008 to 10/2011
  • ActiveHybrid X6 (N63)
• Z4 E89 - 01/2008 to 08/2016
  • 35i, 35is (N54)

Compatibility check

We will verify suitability before dispatch. For UK orders include your registration or the last 7 digits of your VIN at checkout so we can confirm this injector is correct for your car.

Part number

13538616079

Manufacturer and warranty

Manufacturer: BMW - Eldor

Warranty: Two years manufacturer warranty for UK customers and one year for international customers when a compatible VIN is provided at checkout.

Buy with confidence

MJ Modifications supplies genuine BMW components trusted on daily drivers and high-performance builds. For fitting, coding or advice, our Warwickshire team is ready to help. Email info@mjmodifications.co.uk.

Search terms

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