DISA Repair Kit – BMW M43TU / M44 | E36 / E46 / Z3 | OEM 11611438404 11611435715
The DISA (Differential Intake System Actuator) membrane on BMW M43TU and M44 engines fails with age — causing poor low-rpm performance, rough idle, and intake faults. This repair kit replaces the failed membrane inside DISA units 11611438404 and 11611435715, restoring correct variable intake operation without replacing the entire DISA unit.
Fits OEM #11611438404.
When to Inspect This Part
- increased fuel consumption
- mixture faults or an intake air leak
What's Included
- Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included
Important Limitations
Inspect the DISA housing and vacuum chamber before rebuilding. A cracked housing or unrelated intake leak requires separate repair.
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- BMW BMW 3 Series E36 (02/1993-08/2000)
- BMW BMW 5 Series E34 (05/1995-06/1996)
- BMW Z3 E36 (12/1994-06/2002)
Part Number / PN
11611438404, 11611435715, 11611247202
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 11611438404 is the primary fitment check.
FAQ
How do I confirm fitment for this DISA Repair Kit?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 11611438404. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this DISA Repair Kit?
Confirmed symptoms include increased fuel consumption, 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 Repair Kit?
The confirmed kit contents are: Repair components supplied for this SKU and shown in the product photos; no complete surrounding assembly is included.
Does this listing include the complete surrounding assembly?
Inspect the DISA housing and vacuum chamber before rebuilding. A cracked housing or unrelated intake leak requires separate repair.
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.
Read All
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