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BMW Mass Air Sensor & Air Flow Meters for BMW 3 Series E30 (1984-1991)

We sell OEM air mass sensors, air flow meters, and HFMs (Hot Film Meter) for many BMWs. When the mass air sensor is bad you will notice your engine running out of tune. Your fuel mileage will suffer, throttle response will be poor, and you will notice a lack of power.

There should be a Check Engine Light to alert you that the air sensor is having problems. However, there may not be a fault code for the air meter itself. Often times the code comes up as fuel trim or lean condition. In these cases the air sensor could be just one of a number of potential problems.

We only sell air sensors from Original Equipment Manufacturers like, Bosch, VDO, and Siemens. Please note that HFMs are an electrical part and cannot be returned for refund.

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Auxiliary Thermostat

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:26538314

Part#: 13541730682

In Stock

$ 63.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.99 USD

Limited Qty Sale

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Qty

$ 63.99

This product was last offered at the strikethrough price on
05-03-2026

$ 44.99 USD

Limited Qty Sale

Add to Wish List

Intake Thermostat - M50 - E36 325i M3, E34 525i

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:4475

Part#: 13541730682

In Stock

7% off MSRP $ 68.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 63.99 USD

Limited Qty Sale

Add to Wish List

Qty

7% off MSRP

$ 68.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 63.99 USD

Limited Qty Sale

Add to Wish List

This intake air temperature thermostat. This controls the flow of coolant to the throttle body.

This item fits the following BMWs:
1992-1995 E36 BMW 325i 325is 325ic M3
1991-1995 E34 BMW 525i

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Genuine BMW Throttle Position Sensor M20 M50 Engine

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:367860

Part#: 13631710559

Ships in 4 Business Days

6% off MSRP $ 381.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 357.99 USD

Add to Wish List

Qty

6% off MSRP

$ 381.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 357.99 USD

Add to Wish List

Enhance the performance of your BMW equipped with M20 or M50 engines with the Turner Motorsport Genuine Throttle Position Sensor. Over time, the throttle position sensor can deteriorate, affecting the vehicle's driveability. Replace it with a new, genuine BMW sensor to ensure optimal performance and responsiveness.

Genuine BMW part guarantees quality and compatibility
Restores accurate throttle response
Ensures proper engine performance and drivability
Easy installation for hassle-free maintenance

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Genuine BMW Mass Airflow Sensor - E30 M3

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:378076

Part#: 13627547982KT

Back Ordered

$ 1,341.99 USD

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$ 1,341.99 USD

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OEM S14 mass airflow sensor remanufactured by BMW.

Includes $171.00 refundable core charge.

This item fits the following BMWs:
1988-1991 E30 BMW M3

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E30 M3 Evo III Fuel Injection Upgrade

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:4083

Part#: E30M3-EVOIII-INJ

Back Ordered

$ 2,318.99 USD

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Qty

$ 2,318.99 USD

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Our racing fuel injection upgrade for the E30 M3 2.5 consists of four Evo III fuel injectors, Evo III Air flow meter and custom calibrated performance chip. This kit was originally designed for use on the TMS 2.5 liter engine conversion with: Stage 3 head, Schrick cams, Evo III header and straight non cat exhaust but has been a successful upgrade on other variations of this set up. The addition of these components adds the ability to supply more fuel that the 2.5 liter high performance motor demands. Choose from 7800 or 8200 rpm redline (For off road/race use only).

Kit Includes:
1 x 13621466349 - Air Flow Meter
1 x Custom Turner Motorsport Peformance Chip
4 x 13641316511 - EVO 3 Fuel Injectors

This item fits the following BMWs:
1988-1991 E30 BMW M3

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BMW Mass Air Sensor & Air Flow Meters for BMW 3 Series E30 (1984-1991)

Auxiliary Thermostat

Intake Thermostat - M50 - E36 325i M3, E34 525i

Genuine BMW Throttle Position Sensor M20 M50 Engine

Genuine BMW Mass Airflow Sensor - E30 M3

E30 M3 Evo III Fuel Injection Upgrade

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