K&N 33-2706 Panel Air Filter for BMW E36/E39/E38 2.5L M51 Diesel (325td/325tds, 525td/525tds, 725td) - High-Flow Washable Reusable OEM Replacement

K&N 33-2706 Performance Panel Filter Upgrade for BMW 2.5 M51 Diesel

Give your classic BMW diesel a freer-breathing intake with the K&N 33-2706 performance panel element. This serviceable, cotton-gauze insert drops straight into the standard airbox and is designed to improve airflow versus a disposable paper element. Expect crisper throttle response, smoother pull through the revs and long-term savings thanks to its cleanable, reusable construction.

• Direct drop-in fit for the factory housing on BMW 2.5 litre M51 six-cylinder diesel engines
• Premium multi-layer cotton media engineered for increased intake flow and excellent filtration
• Reusable design cleans and re-oils for a long life cycle and reduced waste
• Enhances drivability with a more responsive feel and strong mid-range
• Ideal for daily use, commuting and spirited B-road driving without needing an aftermarket induction kit
• Great value upgrade that replaces throwaway filters with a serviceable solution
• Proven in our workshop at MJ Modifications and consistently praised by customers for noticeable improvement

Confirmed vehicle fitment

For BMW diesel models using the 2.5 M51 engine and factory airbox:

• BMW 3 Series E36
  • 325td 2.5 85 kW / 115 hp 1991-1998
  • 325tds 2.5 105 kW / 143 hp 1993-1999
• BMW 5 Series E39
  • 525td 2.5 85 kW / 116 hp 1997-2003
  • 525tds 2.5 105 kW / 143 hp 1996-2004
• BMW 7 Series E38
  • 725td 2.5 105 kW / 143 hp 1996-2001

Part number: 33-2706

Fitment check before dispatch

Add your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility before shipping. Prefer to double-check first? Email info@mjmodifications.co.uk and our team will assist.

Professional fitting

Want it installed by specialists who know these cars inside out? MJ Modifications offers expert fitting in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Helpful ownership tips

• Service the filter at appropriate intervals with the correct cleaner and oil to maintain performance
• Perfect partner for a well-maintained MAF sensor and fresh intake ducting

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