DISA Valve O-Ring Seal – BMW M52 | OEM 11617504543
The DISA (Differentiated Intake System) valve on BMW M52 petrol engines uses an O-ring that hardens and cracks with age — causing air leaks at the DISA valve mounting, rough idle, and loss of low-end torque. This direct replacement O-ring restores an airtight DISA seal. BMW 3 Series E46, 5 Series E39, 7 Series E38 — with M52 2.0L, 2.5L, 2.8L petrol engine
Fits OEM #11617504543.
When to Inspect This Part
- knocking noise
- loss of power or hesitation
- mixture faults or an intake air leak
What's Included
- 1 × DISA Valve O-Ring Seal
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- BMW 3 Series E46 (04/1997 - 04/2003)
- BMW 5 Series E39 (02/1995 - 06/2003)
- BMW 7 Series E38 (03/1995 - 07/2001)
- BMW Z3 E36 (04/1996 - 10/2000)
Part Number / PN
11617504543
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 11617504543 is the primary fitment check.
FAQ
How do I confirm fitment for this DISA Valve O-Ring Seal?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 11617504543. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this DISA Valve O-Ring Seal?
Confirmed symptoms include knocking noise, loss of power or hesitation, mixture faults or an intake air leak. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this DISA Valve O-Ring Seal?
The confirmed kit contents are: 1 × DISA Valve O-Ring Seal.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings