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What manifold pressure sensor is installed in your BMW?

Relevant for particular 35i and 40i BMW-models

There is just one small additional step to complete before we can send you your order.
In the model series of the vehicle you have selected, vehicles have been factory-fitted with a number of different manifold pressure sensors. However, with the help of the sample images below, you can simply provide us with the necessary information and you will receive your performance enhancement in no time at all. Please refer to the images below and let us know whether your vehicle has an engine with engine code N54 or N55.

Manifold pressure sensor MKB N54 (type 4720)

Location of the sensor in the engine bay
Corresponding plug

Manifold pressure sensor MKB N55 (type 8720)

Location of the sensor in the engine bay
Corresponding plug

If you are still unable to clearly identify the sensor type using the above images, please contact our customer service. We’re happy to assist you at any time. CONTACT