Standard Ignition Fuel Injector FJ29
Standard Ignition Fuel Injector FJ29 - view 2
Standard Ignition Fuel Injector FJ29 - view 3
Standard Ignition Fuel Injector FJ29
Standard Ignition Fuel Injector FJ29 - view 2
Standard Ignition Fuel Injector FJ29 - view 3

Standard Ignition Fuel Injector P/N:FJ29

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$66.99
MPN: FJ29
Item Package Quantity: 1

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Standard Ignition Fuel Injector P/N:FJ29
Standard Ignition Fuel Injector P/N:FJ29
$66.99

Keep fuel metering crisp and consistent with the Standard Ignition Fuel Injector FJ29. This injector delivers a measured spray of pressurized fuel into the intake in response to the engine control system, and it installs as a direct-fit replacement for a range of BMW applications: the 1991-1994 BMW 318I, 1991-1994 BMW 318IS, 1985-1993 BMW 535I, 1988 BMW 535IS, 1985-1989 BMW 635CSI, 1985-1992 BMW 735I, 1988-1992 BMW 735IL, 1987 BMW L6, and 1986-1987 BMW L7.

  • Metered fuel delivery: opens and closes on command to inject a controlled amount of fuel for the engine's air-fuel ratio.
  • Direct-fit replacement: designed to serve as a replacement injector for the listed BMW applications.
  • Signs it may need replacing: rough idle, hesitation, misfire, hard starting, or reduced fuel economy — if a failed injector is the cause, this replaces it.

Always diagnose the underlying cause before replacing, since these symptoms can have other sources. Manufacturer part number FJ29.

Frequently Asked Questions

What does the Standard Ignition FJ29 fuel injector do?

It delivers a metered spray of pressurized fuel into the intake in response to signals from the engine's fuel-management system, helping maintain the correct air-fuel ratio.

Which vehicles does the FJ29 fit?

It is a direct-fit replacement for the 1991-1994 BMW 318I and 318IS, 1985-1993 535I, 1988 535IS, 1985-1989 635CSI, 1985-1992 735I, 1988-1992 735IL, 1987 L6, and 1986-1987 L7. See the Buyer's Guide tab to confirm.

What are signs a fuel injector may need replacing?

Common symptoms include rough idle, hesitation, misfire, hard starting, or reduced fuel economy. Diagnose the cause first, since these signs can come from other components.

How many injectors do I need?

An engine uses one injector per cylinder, so quantity depends on your specific engine. Confirm how many your application requires before ordering.

Should I diagnose before replacing the injector?

Yes. Because rough idle and misfire symptoms can have several causes, verify the injector is at fault before replacing it.

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