The BMW engine air filter part number 13721702907 (Hengst E409L) fits the following US years, models, and specific engine options:
BMW X5 (E53 Generation)
- 2001–2006 BMW X5 3.0i (3.0L Inline-6 M54 engine)
- 2004–2006 BMW X5 4.8is (4.8L V8 N62 engine)
(Note: While it fits the six-cylinder 3.0i and the high-performance 4.8is, it does not fit the standard 4.4i or 4.6is V8 models from this same generation, which use a completely separate airbox geometry).
BMW 7 Series (E38 Generation)
- 1995–2001 BMW 750iL (5.4L V12 M73 engine)
(Note: Because the massive V12 engine uses a split-induction intake system, the 750iL utilizes a dual-airbox setup. If you are servicing this vehicle, you must purchase a matched pair of 2 physical filters to complete the job).
Production Cutoff Dates
- E38 7 Series Cutoff: For the V12 sedan, the absolute cutoff date was July 2001, when E38 production permanently ceased to clear the assembly lines for the subsequent E65 generation.
- E53 X5 Cutoff: For both the 3.0i and 4.8is SAV models, the final manufacturing cutoff was September/October 2006, marking the absolute conclusion of the E53 chassis production run before the E70 generation took over.
