Is it dangerous to keep driving with a faulty MAP sensor?

Not critical for safety, but it can cause poor drivability and reduced fuel economy — repair promptly.

Can this sensor be tested before replacing it?

Yes, a mechanic can check its readings against a specification using diagnostic equipment to confirm it’s faulty before replacement.

What is the sensor made of?

A precision pressure-sensing element in a compact housing.

What is this part and what does it do?

Full description available in the product description section above. Contact us with clarifying questions.

How do I tell if my part is faulty?

See the 'Signs of a faulty part' section above or run a diagnostic at an auto service.

Yes - all our used parts are tested before sale and sold with guaranteed quality.

When should the part be replaced?

When warning signals appear, diagnostic codes are present, or the system malfunctions.

Intake manifold pressure sensor BMW 318D E91 2008 TOURING

Name: Intake manifold pressure sensor BMW 318D E91 2008 TOURING
Brand: BMW
SKU: 756678402
Price: 18.00 EUR
Availability: InStock

OEM: 756678402

Disassembled car photo

Engine running

Tested before shipping
Guaranteed quality
Fast delivery 3–7 days
14-day returns

What is this part and why does it matter?

The manifold absolute pressure (MAP) sensor measures air pressure in the intake manifold, letting the ECU calculate engine load and adjust fuel and ignition accordingly.

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Not sure about compatibility? Send us a question with your car's make, model and year.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

Rough idle or hesitation on acceleration
Poor fuel economy
Check Engine light with a MAP sensor fault code

Installation information

Bolts or plugs into the intake manifold with a seal, and connects to the engine wiring harness.

Donor vehicle description

VIN: WBAUX11080A334575
Make, model: BMW 318D E91 LCI
Year: 2008
Engine: 2.0D 105KW N47
Transmission: Manual
Drive: Rear
Colour: MONACOBLAU METALLIC (A35)

293 parts from this car

Frequently asked questions

On engines that use MAP rather than a mass airflow sensor as the primary load sensor (or as a backup), an inaccurate reading directly throws off the ECU’s fuel and timing calculations, causing noticeable drivability problems.

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September 2026
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August 2026
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August 2026
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June 2026
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