Refurbished Manifold Bmw Mini 1.5 Diesel

Error Codes:
24CF00 - The measured air mass is too low compared to the stored calculated mass
2C3200 - Helical valve actuator, mechanical failure

The intake manifold with original BMW/MINI code 11618513855 is a component mounted on 1.5 liter diesel engines of the B37 family. It is made of reinforced plastic material, resistant to high temperatures and mechanical stresses typical of the intake cycle. The part integrates housings for sensors, EGR valve, and throttle body, as well as an internal flow management system with electronically controlled swirl flaps based on load conditions and engine speed.

Technical features

The manifold has three main ducts, one for each cylinder, designed to ensure an even distribution of air in the combustion chamber. It is equipped with:

• Central plenum with calibrated volume.
• Housing for absolute pressure sensor (MAP).
• Connections dedicated to exhaust gas recirculation (EGR).
• Swirl flap system with electric actuator.
• Provision for elastomeric sealing gaskets.
• Structure made of technical polymer with low specific weight.

DIPA can intervene to overhaul these spare parts thanks to its experience and expertise.

Functionality

The manifold’s task is to channel the air drawn from the turbocharger to each cylinder evenly and in a controlled manner. The swirl flap system modifies the turbulence of the flow based on engine speed and load, improving combustion at low RPM and reducing emissions and consumption. The direct connection with the EGR valve allows controlled introduction of recycled exhaust gases to reduce nitrogen oxides (NOx).

Brand and model on which the part is mounted

BMW

• 2 Series Active Tourer
• 2 Series Gran Tourer
• X1

MINI

• Mini
• Mini Cabriolet
• Mini Clubman

DIPA recommends always verifying the compatibility of the spare part before purchase.

Defects and causes

Among the defects found on this manifold are:

• Wear or breakage of the swirl flaps due to soot and oily residue buildup.
• Malfunction of the electric actuator controlling the swirl flap.
• Cracks or deformations of the plastic body due to thermal and mechanical stress.
• Air leaks due to gasket deterioration.
• Partial obstruction of the ducts due to accumulation of carbon residues from the EGR system.

Error codes

24CF00 - Measured air mass is too low compared to the calculated stored mass
2C3200 - Helical valve regulator, mechanical failure

Final conclusions

The BMW/MINI OE intake manifold 11618513855 is a key component for air management in B37 engines, capable of affecting performance, consumption, and emissions. Its replacement or overhaul becomes necessary in the presence of structural breakages, actuator malfunctions, or excessive buildup of carbon deposits that compromise the correct airflow and the functioning of the EGR and swirl flap systems.

DIPA offers a wide range of spare parts: from original to aftermarket ones selected among the best manufacturers on the market. Not only that: it also offers reconditioned components with performance equivalent to new, which provide savings on replacement and contribute to environmental protection through the circular economy. If the spare part you need is not available, don’t worry: DIPA can overhaul your part "on demand," restoring full functionality and safety in a short time.