11611440049 / 11611432557 DISA Repair Kit for BMW M52TU
This DISA valve repair kit is designed for BMW M52TU engines using DISA unit references 11611440049 and 11611432557. It replaces the weak factory plastic internal components with upgraded aluminum and steel parts to restore DISA flap operation inside the intake manifold.
The original BMW DISA unit can fail when the plastic flap, lever or pivot mechanism becomes loose, worn or broken. This repair kit restores the mechanical function of the existing DISA valve without replacing the complete DISA assembly.
OEM / Reference Numbers
- 11611440049
- 11611432557
No additional secondary or interchange OEM numbers are listed for this product.
Part Type
- DISA valve repair kit
- DISA valve rebuild kit
- DISA aluminum flap upgrade kit
- Intake manifold adjustment valve repair kit
- BMW M52TU DISA internal repair components
What This Part Does
The DISA valve is part of the BMW differentiated intake system. It changes intake manifold airflow behavior to improve torque and engine response at different RPM ranges.
When the original plastic DISA internals wear out, the flap may rattle, lose movement accuracy or break. This repair kit replaces the failure-prone internal parts and restores reliable flap control inside the original DISA housing.
Compatible Vehicles
This DISA repair kit is listed for BMW vehicles equipped with compatible M52TU dual-resonance intake engines and DISA units 11611440049 or 11611432557.
- BMW 3 Series E46 — 323i, 328i
- BMW 5 Series E39 — 523i, 528i
- BMW 7 Series E38 — 728i
- BMW Z3 Series E36 — 2.3, 2.8
Important: compatibility depends on the exact DISA unit number and intake manifold design. Always compare your original DISA valve number with 11611440049 or 11611432557 before ordering.
Engine / Technical Detail
- Engine family: BMW M52TU
- System: DISA / differentiated intake system
- Repair type: internal mechanical rebuild kit
- Included: 1 aluminum flap
- Included: 1 aluminum crankshaft arm
- Included: 1 steel pivot rod
- Not included: complete DISA valve housing
Common Symptoms of Failure
- Rattling or clicking noise from the intake manifold area
- “Marbles in a tin can” sound from the DISA valve
- Loss of low-end and mid-range torque
- Poor throttle response
- Increased fuel consumption
- Lean mixture fault codes
- Intake runner control errors
- Loose or broken DISA flap mechanism
Why Choose This Replacement
- Targets BMW DISA unit references 11611440049 and 11611432557
- Designed specifically for BMW M52TU DISA valve repair
- Replaces weak plastic internals with aluminum and steel components
- Restores DISA flap function and intake runner control
- Cost-effective alternative to replacing the complete DISA unit
- Helps prevent broken plastic DISA parts from entering the intake manifold
Important Before Ordering
- Check the part number on your original DISA valve.
- Confirm compatibility with 11611440049 or 11611432557.
- Verify that your engine is BMW M52TU.
- Inspect the DISA housing before installation.
- This product is a DISA repair kit only.
- This is not a complete DISA valve assembly.
- If the DISA housing is cracked or severely damaged, a repair kit alone may not solve the issue.
FAQ
What does BMW DISA unit 11611440049 fit?
DISA unit 11611440049 is listed for this BMW M52TU DISA repair kit. Confirmed applications include BMW E46 323i / 328i, E39 523i / 528i, E38 728i and Z3 E36 2.3 / 2.8 models with compatible M52TU intake systems.
Is 11611432557 the same type of DISA application as 11611440049?
Yes. The product page lists both 11611432557 and 11611440049 as original BMW DISA part numbers for this M52TU repair kit. The original DISA unit number should be checked before ordering.
What does this BMW M52TU DISA repair kit do?
This kit rebuilds the internal mechanical parts of the DISA valve. It replaces the factory plastic flap mechanism with upgraded aluminum and steel components to restore intake manifold flap operation.
What symptoms indicate BMW DISA valve failure?
Common symptoms include rattling from the intake manifold, clicking noise, loss of low-end torque, poor throttle response, increased fuel consumption, lean mixture faults or intake runner control errors.
Is this a complete DISA valve assembly?
No. This product is an internal DISA repair kit. It includes the aluminum flap, aluminum crankshaft arm and steel pivot rod, but it does not include the complete DISA valve housing or full assembly.
How do I confirm compatibility before ordering?
Check the number on your original DISA valve and confirm that it matches 11611440049 or 11611432557. Also verify that your engine is BMW M52TU and inspect the DISA housing condition before installation.
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