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BMW 5 Series E39 525i M54 Air Filter | BSG 15-135-002

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BMW E39 525i Air Filter

BSG 15-135-002 | M54 Engine Compatibility | Reliable Filtration

The BSG (15-135-002) air filter, developed for the periodic maintenance of BMW 5 Series E39 525i (M54) vehicles, helps maintain performance by providing the clean air the engine needs.

  • Effective Particle Retention: Keeps road dust and pollutants away from the engine's sensitive components.
  • Precise Mold Structure: Millimeter-standard dimensions that ensure perfect fit in the E39 air filter housing.
  • Stable Airflow: Porous structure that meets the airflow needs of the 2.5L engine at idle and high RPMs.
  • Durable Frame: Edge seals that do not expand during temperature changes and maintain tightness.

Technical Details

Brand BSG Auto Parts
Product Code 15-135-002
Original Reference (OEM) 13 72 1 744 869 / 13 72 1 707 021
Filter Type Panel Type Air Filter
Compatible Engine BMW 2.5L M54B25

Expert Recommendation

Why BSG? BSG is one of the brands with the widest spare part stock for classic BMW groups, especially in the Turkish market, and offers a balanced price/performance ratio.
Maintenance Tip: Replace the air filter every 10,000 km for the health of the M54 engine. Be careful not to touch the air mass meter [MAF] during filter replacement and ensure to clean any coarse dirt inside the housing.

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