13537823462 — Frequently Asked Questions
Verified answers about the BMW 13537823462 (Bosch 0445117030) 3.0d (N57D30) Common Rail Piezo Injector.
What is injector 13537823462?
A Bosch CRI3 piezo common-rail diesel injector (Bosch 0445117030) for the BMW N57 3.0d engine. BMW OE 13537823462.
Which vehicles use 13537823462?
BMW 535d, 640d, 740d, X5 xDrive40d and X6 xDrive40d with the N57D30B 3.0d engine.
What is the Bosch number?
Bosch 0445117030 (alternate 0986435425); BMW interchangeable 13537823461.
Is it solenoid or piezo?
It is a Bosch piezo (CRI3) common-rail injector - distinct from the earlier solenoid N47/N57 injector.
Does 13537823462 need coding?
Yes - write the injector calibration (volume + voltage) code to the correct cylinder with BMW ISTA.
How do I tell it apart from the solenoid N57 injector?
Check the body number: the piezo is Bosch 0445117030 (BMW 13537823462); the solenoid is a Bosch 0445110xxx. They are not interchangeable.
What are the symptoms of failure?
Rough idle, vibration, hard starting, black smoke, power loss/limp mode and an EML.
Why does my N57 run rough?
A worn or leaking injector unbalances fuelling; read live back-leakage data and bench-test the weak cylinder.
What causes these injectors to fail?
Poor fuel filtration, contamination and back-leakage wear - fix the cause first.
Does a remanufactured 13537823462 perform like new?
A properly remanufactured injector is bench-tested and recalibrated to the Bosch plan, then coded on fitment.