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BMW Mass Air Sensor & Air Flow Meters

BMW Mass Air Sensor & Air Flow Meters 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.
For accurate results, specify your model below.
OEM Bosch E36 M3 Euro HFM -- E36 M3 Z3

This Euro HFM (Hot Film Meter or mass air sensor) from the Euro M3 is larger in diameter than the USA's M3 meter. This HFM will meter and flow more air than the stock one, giving you more power. THIS REQUIRES PROPER SOFTWARE to run correctly and you may also need larger fuel injectors to prevent the engine from running lean.

We use this HFM on the 1995 M3 or any 1996+ S52 engine that has been converted to OBD-1 electronics. We prefer to use this HFM over the 540 meter because this is a direct bolt-on to the Euro airbox (for those that want a factory appearance). This HFM is not used on our OBD-2 Performance Kits or with OBD-2 Shark Injector software.

This is an OEM replacment (Bosch part # 0 280 217 806) for BMW part # 13621403123.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Bosch
Part #: 13621403123
Price: $244.95 (USD) 
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OEM Hella HFM/Mass Air Sensor - E38 E39, X5 with M62 V8 Engine

OEM Hella Replacement mass air sensor for the 1999+ M62 engine. The M62 engines have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This replacement HFM fits the following BMWs:
1999-2003 E39 BMW 540i
1999-2001 E38 BMW 740i 740il
2000-2003 E53 BMW X5 4.4i X5 4.6is

Hella
Part #: 13621433567
Price: $120.25 (USD) 
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Genuine BMW MAP Sensor - E90,E92,E93

Faulty Map Sensors can lead to a rough idle and lost performance. Replace yours with a Genuine BMW MAP sensor to restore a smooth idle and performance.

Genuine BMW Pressure Sensor -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

 

Genuine BMW
Part #: 13627838385
Price: $143.93 (USD) 
$172.55 (17% off MSRP)
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OEM VDO HFM/Mass Air Sensor - E9x E60 E85 Z4

This is the replacement mass air sensor to fit the M54 and N52 engine used in the E9x 325i, 330i, E60 525i 530i and Z4 with N52 engine. This HFM is manufactured by OEM supplier Siemens/VDO and is a direct replacement for the stock HFM. The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


This item fits the following BMWs:
2006-2006 E90 BMW 325i 325xi 330i 330xi - Sedan
2006 E91 BMW 325xi - Wagon
2004-2007 E60 BMW 525i 525xi 530i 530xi
2006-2008 E85 BMW Z4 3.0i Z4 3.0si

VDO
Part #: 13627520519
Price: $229.95 (USD) 
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OEM VDO Mass Air Flow Sensor -- BMW N55

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

For vehicles with the BMW N55 3.0L turbo engine.

VDO
Part #: 13627593624
Price: $199.95 (USD) 
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Genuine BMW Mass Air Flow Sensor - E28 E34 535i - E24 635csi - E23 E32 735i/il

Genuine BMW Replacement mass air sensor - air flow meter - (HFM) for M30 engine. The M30 engines have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems.

Price includes a $50.00 core charge.

This item fits the following BMWs:
1985-1988 E28 BMW 535i 535is
1989-1993 E34 BMW 535i 
1985-1989 E24 BMW 635csi
1985-1987 E23 BMW 735i
1988-1994 E32 BMW 735i 735il

Also for E30 M3 EVO III
 

Genuine BMW
Part #: 13627547981COKT
Price: $602.80 (USD) 
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OEM VDO Mass Airflow Sensor for Early M54 3.0-liter Engine (E46, E39, Z4)

Replacement mass air sensor for the early M54 3.0-liter Engine. See application list below. 3.5" diameter.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Complete Application List:

2001-2002 E46 330i, 330Ci
2001-2005 E46 330Xi
2001-2003 E39 530i
2001-2006 E53 X5 3.0
2001-2002 Z3 3.0

 

VDO
Part #: 13627567451
Price: $249.95 (USD) 
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OEM VDO Mass Air Flow Sensor (MAF) -- BMW M54 03/2003+

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

For BMW's with the M54 motor with a production date after 03/2003.

VDO
Part #: 13627566983
Price: $292.74 (USD) 
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OEM VDO MAP Sensor -- N20 N26 S55 S63

This is a high quality replacement OEM VDO Manifold Absolute Pressure sensor Located on the charge air cooler. The MAP controls the amount of fuel that goes through the injectors based on the pressure of air at the intake manifold. If your vehicle is giving you a MAP code, replace it immediately to ensure you get the best gas mileage and performance. It is common for this part to fail slowly and cause poor fuel mileage and hampered performance. When it fails completely, the vehicle will stutter and stall as it falls into a limp mode. One way to check if your MAP is bad is to unplug the connector before starting your car. If it idles well (compared to a previous poor idle), your MAP needs replaced. If you let this maintenance part go, your fuel economy will suffer as too much fuel is going into the engine and not being burned. A great way to give your vehicle an efficiency boost.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 13627843531
Price: $86.99 (USD) 
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OEM Bosch HFM/Mass Air Sensor for E46 M3, E60 M5, E63 M6, MZ3-S54, MZ4 Replacement mass air sensor (HFM) for E46 M3 MZ3 with S54 engine, MZ4, E60 M5, E63 M6 with S85 engine.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2006-2010 E60 BMW M5
2006+ E63 BMW M6
2001-2002 Z3 BMW M Roadster M Coupe with S54 engine
2003-2008 Z4 BMW Z4 M Roadster Z4 M Coupe
Bosch
Part #: 13627839014
Price: $189.95 (USD) 
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OEM VDO HFM/Mass Air Sensor -- Early M54 3.0-liter Engine (E46, E39, Z4)

This is a high quality replacment OEM VDO Mass Air Sensor.The MAF controls the amount of fuel that goes through the injectors based on the volume of air coming through the intake. If your vehicle is giving you a MAF code, replace it immediately to ensure you get the best gas mileage and performance. It is common for this part to fail slowly and cause poor fuel mileage and hampered performance. When it fails completely, the vehicle will stutter and stall as it falls into a limp mode. One way to check if your MAF is bad is to unplug the connector before starting your car. If it idles well (compared to a previous poor idle), your MAF needs replaced. If you let this maintenance part go, your fuel economy will suffer as too much fuel is going into the engine and not being burned. A great way to give your vehicle an efficiency boost.

OEM replacement for BMW part # 13627567451 and 13621438871

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Intrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Complete Application List:
2001-2002 E46 330i, 330Ci
2001-2005 E46 330Xi
2001-2003 E39 530i
2001-2006 E53 X5 3.0
2001-2002 Z3 3.0

VDO
Part #: 13627567451
Price: $249.95 (USD) 
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HFM/Mass Air Sensor - E36 325i 1992, E34 525i 91-92

Replacement mass air sensor (HFM) for BMW 325i 1992, 525i 1991-1992 with M50 engine. The M50 engines in the E36 and E34 have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below). Replaces part number 13621466359 / 0986280116.

Price includes $300.00 core harge.

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

Genuine BMW
Part #: 13627527518KT
Price: $1553.95 (USD) 
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HFM/Mass Air Sensor for M52 Engine (E36, E39) Replacement mass air sensor for M52, S52-US engines. This HFM is an OEM part, made by Siemens VDO. 3.0" diameter.The M52 engines in the E36 and E39 have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below).Complete your repair with a new boot and new clamps by selecting the option below. Boots are OE-spec or Original BMW and we use high-quality factory-style clamps. Complete Application List:
1996-99 E36 323is, 323iC, 328i, 328is, 328iC
1996-99 E36 M3 3.2-liter
1997-98 E39 528i
Turner Motorsport
Part #: TMS338007
Price: $318.45 (USD) 
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E36 M3 Euro HFM Adapter (to Stock Throttle Body Boot) This silicone adapter is used when fitting a Euro or 540 3.5" HFM to the stock intake boot on an E36 M3 S50 or S52. The stock intake boot is sized for the stock 3.0" HFM so a coupler is required to go from the new larger HFM to the smaller boot. Our HFM adapter includes a new hose clamp for the HFM end.
AFE
Part #: ADAPT
Price: $44.96 (USD) 
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OEM VDO EVAP Pump Mass Air Flow Sensor -- M54 S85 E46 E90 E6X E84 E83 E53

This is a high quality replacement OEM VDO Mass Air Sensor for the EVAP system. Ensure everything stays in top shape and functionality by replacing your failed or aging MAF sensor.

OEM replacement for BMW part # 11721438814.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 11721438814
Price: $87.50 (USD) 
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Air Flow Meter - E30 325i 325is, E34 525i - M20 engine

Replace your faulty air flow meter with this Genuine BMW part. The mass air sensor can develop problems over time causing poor driveability and fuel economy. This unit is remanufactured by BMW so you can be assured of the highest quality part. 

Price includes $50.00 core charge. 


This item fits the following BMWs: 
1987-1991 E30 BMW 325i 325ic 325is 325ix 
1989-1990 E34 BMW 525i 

Genuine BMW
Part #: 13627547977KT
Price: $897.56 (USD) 
Ships on Jul 31, 2018
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Genuine BMW Pressure Sensor - 13627843531

This high pressure MAP Sensor is an OE BMW standard replacement for N54 applications and an upgrade for E9X BMW's.


Genuine BMW Pressure Sensor -
This item fits the following BMW Chassis:
E89 Z4,F06,F10,F12,F13,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

Fits BMW Engines including:
N20,N26,S55,S63N

 

Genuine BMW
Part #: 13627843531
Price: $100.28 (USD) 
$143.78 (30% off MSRP)
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OEM Bosch Mass Air Flow Sensor (MAF) -- BMW M62

The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture. Restore performance and fuel mileage with a high quality Bosch replacement. OEM replacement for BMW part # 13621433567 for M62 engines. For vehicles with a production date from 09/1998.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Fits the following vehicles:
09/1998+ E39 BMW 540i
09/1998+ E38 BMW 740i/iL
09/1998+ E53 BMW X5 4.4i 4.6is 
09/1998+ E52 BMW Z8

Bosch
Part #: 13621433567
Price: $139.89 (USD) 
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Genuine BMW Mass Airflow Sensor - E30 M3

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 

Genuine BMW
Part #: 13627547982KT
Price: $918.75 (USD) 
Ships on Jul 31, 2018
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Mass Air Flow Sensor (MAF) This is the replacement mass air sensor to fit the N62 engine used in the E60 545i, E63 645ci, E65 745i/Li, and E53 X5 4.4i/4.8is. This HFM is manufactured by OEM supplier Bosch and is a direct replacement for the stock HFM. When the HFM goes bad there should be a fault code and check engine light. In addition, your fuel economy will usually go down as the computer is no longer getting a good signal of airflow and the safest thing for the computer to do is add fuel. Replacement is straight-forward and easy with simple hand tools.

This item fits the following BMWs:
2004-2005 E60 BMW 545i
2004-2005 E63 BMW 645ci
2002-2005 E65 BMW 745i 745li
2004-2006 E53 BMW X5 4.4i X5 4.8is
Bosch
Part #: 13627566988
Price: $77.00 (USD) 
$139.95
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OEM Bosch Mass Air Flow Sensor - E70 xDrive 35d, E90 335d

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM Bosch sensor to restore normal operation. 

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Vehicle Fitment:
2007-2013 BMW E70 xDrive 35d - M57N2 Engine
9/2008 - 2013 BMW E90 335d - M57N2 Engine

Bosch
Part #: 13628509725
Price: $179.95 (USD) 
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E30 M3 Evo III Fuel Injection Upgrade 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
Turner Motorsport
Part #: E30M3-EVOIII-INJ
Price: $1895.00 (USD) 
Ships on Aug 10, 2018
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OEM VDO Mass Air Sensor -- N52 BMW

This is a high quality replacement OEM VDO Mass Air Sensor.The MAF controls the amount of fuel that goes through the injectors based on the volume of air coming through the intake. If your vehicle is giving you a MAF code, replace it immediately to ensure you get the best gas mileage and performance. It is common for this part to fail slowly and cause poor fuel mileage and hampered performance. When it fails completely, the vehicle will stutter and stall as it falls into a limp mode. One way to check if your MAF is bad is to unplug the connector before starting your car. If it idles well (compared to a previous poor idle), your MAF needs replaced. If you let this maintenance part go, your fuel economy will suffer as too much fuel is going into the engine and not being burned. A great way to give your vehicle an efficiency boost.

OEM replacement for BMW part # 13627551638.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 13627551638
Price: $189.95 (USD) 
Ships on Jul 31, 2018
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OEM Bosch HFM/Mass Air Sensor -- E34, E36

The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture. Restore performance and fuel mileage with a high quality Bosch replacement. Replacement mass air sensor (HFM) for M50, S50-US engine. The M50 engines in the E36 and E34 have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below). This mass air sensor also fits M60B30 engine. 3.0" diameter. For vehicles with a production date from 09/1992.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Complete Application List:
1993-95 E34 525i - M50 engine with VAN0S (M50TU)
1993-95 E36 325i, 325is, 325iC - M50 engine with VAN0S (M50TU)
1995 E36 M3 3.0-liter
1994-95 E34 530i - M60 3.0-liter engine

Bosch
Part #: 13621747155
Price: $212.05 (USD) 
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OEM Bosch HFM/Mass Air Sensor - E32, E34, E38, E39 with M60/M62 4.0-liter Engine

The mass air flow sensor measures the amount of air flow to tell the computer how much fuel to add to the mixture. If the MAF sensor malfunctions, there could be too much or too little fuel added to the mixture. Restore performance and fuel mileage with a high quality Bosch ( #0 280 217 800) replacement. OEM replacement for BMW part # 13621702078 and 13621468625. For vehicles with a production date up to 09/1998. This sensor is also known as the "540 HFM" that is used in a variety of OBD-1 E36 M3 upgrades.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Replacement mass air sensor for the M60/M62 engine. The M60 engines have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems.

This replacement HFM fits the following BMWs:
1993-1995 E34 BMW 540i
1997-1998 E39 BMW 540i
1988-1994 E32 BMW 740i 740il
1995-1998 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci

Bosch
Part #: 13621702078
Price: $170.64 (USD) 
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OEM VDO HFM/Mass Air Sensor -- M52TU, M54 Engine (E46, E39, Z3)

Replacement mass air sensor for M52TU 2.5/2.8 and M54 2.5 engines. 3.0" diameter.

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

Complete Application List:

1999-2000 E46 323i, 323Ci, 328i, 328Ci
2001-2002 E46 325i, 325Ci (M54 engine)
1999-2000 E39 528i
2000-2003 E39 525i
1999-2000 Z3 2.3, Z3 2.8

 

VDO
Part #: 13621432356
Price: $172.95 (USD) 
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OEM VDO Mass Air Flow Sensor (MAF) -- E36 E39 E38 - M52 S52

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 13621703275
Price: $318.45 (USD) 
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OEM Bosch HFM/Mass Air Sensor - E39 M5, Z8 Replacement OEM Bosch mass air sensor (HFM) for E39 M5 and Z8 with S62 engine.

This item fits the following BMWs:
1999-2003 E39 BMW M5
2000-2003 E52 BMW Z8 Roadster
Bosch
Part #: 13621433566
Price: $116.95 (USD) 
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OEM VDO MAP Sensor -- N20 N26 N55 N63 S63

This is a high quality replacement OEM VDO Manifold Absolute Pressure sensor located on the intake manifold and upper left charge pipe. The MAP controls the amount of fuel that goes through the injectors based on the pressure of air at the intake manifold. If your vehicle is giving you a MAP code, replace it immediately to ensure you get the best gas mileage and performance. It is common for this part to fail slowly and cause poor fuel mileage and hampered performance. When it fails completely, the vehicle will stutter and stall as it falls into a limp mode. One way to check if your MAP is bad is to unplug the connector before starting your car. If it idles well (compared to a previous poor idle), your MAP needs replaced. If you let this maintenance part go, your fuel economy will suffer as too much fuel is going into the engine and not being burned. A great way to give your vehicle an efficiency boost.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 13627599042
Price: $91.53 (USD) 
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OEM Hella HFM/Mass Air Sensor for M54 3.0-liter Engine (E46, E39, Z4)

Replacement OEM Hella mass air sensor for M54 3.0-liter Engine. Measures the amount of air flow to correctly adjust the fuel to air ratio for optimal performance. Faulty mass air sensors can give improper readings and leading to performance loss. This is a stock HFM and is a BMW replacement for part # 13627566983. 3.5" diameter.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

 

Complete Application List:
2003-05 E46 325i, 325Ci - M56 engine only (SULEV)!
2003-05 E46 330i, 330Ci
2004-06 E83 X3 3.0i - M54 engine
2003-2006 E85 Z4 3.0i Roadster

 

Hella
Part #: 13627566983
Price: $550.33 (USD) 
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HFM/Mass Air Sensor - Z3 2.8 97-98, ZM3 98-00 (S52) Replacement mass air sensor / air flow meter.

This item fits the following BMWs:
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe (s52)
Genuine BMW
Part #: 13621707650
Price: $463.66 (USD) 
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OEM VDO Boost Pressure Sensor -- N54 N55 N63 N74

Used in the intake system, this sensor detects boost pressure and protects from over-boost. Replace your faulty sensor with an OEM VDO replacement.

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicle's original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

VDO
Part #: 13627585493
Price: $85.40 (USD) 
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Hot-film Air Mass sensor Genuine BMW Hot-Film Air Mass Meter - 13628645877
Genuine BMW
Part #: 13628645877
Price: $32.64 (USD) 
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Turner Plug-and-Play IAT Relocation Kit

All vehicles will lose some degree of performance due to heat soak under the right operating conditions.  Engine management systems constantly monitor operating conditions and modifying parameters based on sensor inputs. BMW integrated the intake air temp sensor in the MAF housing on models such as the E39 M5, and, being sandwiched behind a hot radiator and in some applications next to an even hotter valve cover, this is less than ideal for performance applications. Absorbing excess heat from its surroundings, the MAF can’t shed it fast enough, and the ECU reads an inaccurately high intake air temperature. Compensating for this false hot air measurement, the ECU pulls timing and runs a richer fuel mixture, resulting in a significant loss of torque.

What can you do?  Locate an intake air temp sensor in a location where it can properly measure incoming air temps and where it's less prone to heat soak. Mounting the sensor further away from the heat source and isolating it from the MAF housing, it can both resist the effects of heat soak longer and respond to temperature changes more quickly.  The result is you’ll experience reduced torque loss and more consistent power output when you’re pushing your engine hard. 

The Turner engineering team was initially skeptical of the claimed performance benefits of this modification. They first set out validate the functionality and performance benefit of a temp sensor relocation. Replicating stop-and-go traffic heat soak in a 2001 540i was a simple task in a controlled environment - their dynometer. First the car was heat soaked to simulate being stuck in traffic or moving at low speeds by running the car four times on the dyno with the dyno's cooling fans disabled. The fans were then turned on for three more runs to observe the recovery rate once air flow was reintroduced. The test: following this procedure once with a stock IAT, and once with their relocation kit in place. 

The result? Turner recovered 11lb-ft torque at 2500rpm through use of their relocation kit, with even greater recovery to be found for M5 owners. Here are the heat soak-related torque losses Turner experienced:

Stock IAT location:
18rwtq at 2500rpm
10rwtq at 3000rpm
9rwtq at 3700rpm

Turner IAT Relocation:
7rwtq at 2500rpm
5rwtq at 3000rpm
5rwtq at 3700rpm

**Click here for installation instructions**

The Turner engineering team designed a complete plug and play kit (unlike all other options on the market) that makes for quick, easy, and reversible installation. Weather-sealed connectors keep out the elements, while sheathed wiring offers a clean appearance underhood. With a harness nearly 3 feet long - the Turner IAT relocation kit offers flexibility in positioning, but not too long that you're left with unsightly excess wiring. Turner recommends positioning the sensor in a location away from engine heat, but still within the intake ducting to achieve accurate intake temp readings - such as the far side of the base of the airbox. Vehicles with cold air intakes with cone-style filters can even position the sensor in the end of the filter. Simply drill a hole in your (cool) location of choice and plug in the harness. More information including installation instructions and some good examples of sensor mounting locations can be found in our DIY PDF. 

We include everything you need to relocate your IAT, just select your desired sensor brand below - Genuine BMW or original equipment Beru.

Also the perfect plug-n-play option for anyone looking to upgrade their intake to utilize an Alpha-N tune!

Note for vehicles with M62 engine: applicable to 1999 and up

Turner Motorsport
Part #: 014579TMS
Price: $131.40 (USD) 
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Turner-Porsche 3.5 This 3.5" HFM is used in our OBD-II Performance Packages on the 1996-1999 E36 M3 (and MZ3 S52). This is a Plug & Play and seamless kit built using a Porsche HFM, custom wiring harness adapter, and harness mounting bracket. This HFM is preferred because it has a greater resolution and reads larger quantities of air more precisely than the 540 or Euro M3 HFMs. We have put together this kit to be completely reversible and plug and play using factory plugs and connectors. It requires no splicing or modification of your stock connector harness, avoidng the pitfalls that can come from exposing your factory wiring. Using this without the harness will require you to bridge the grounds of the factory harness together in order for the HFM to send the correct signals to the computer.

The correct software, and related intake components, are required to use this larger HFM! See below for software options from Turner Motorsport. Or click here for our complete list of E36 Performance Packages.

Software Options
Stage 2 - 3.5" HFM, "24lb" injectors
Stage 3 - 3.5" HFM, "24lb" injectors, Schrick camshafts
Stage 3+ - 3.5" HFM, "24lb" injectors, Schrick camshafts, M50 manifold
Stage 4 - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers
Stage 4+ - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers, M50 manifold
Stage 5 - 3.5" HFM, "24lb" injectors, Schrick camshafts, headers, cat-delete

This 3.5" HFM is intended for the following BMWs:
1996-1999 E36 BMW M3
1997-2000 Z3 BMW M Roadster M Coupe
Turner Motorsport
Part #: TEN9989HFM
Price: $499.96 (USD) 
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HFM/Mass Air Sensor for M50 Engine (E34, E36)

Replacement mass air sensor (HFM) for M50, S50-US engine. The M50 engines in the E36 and E34 have a notorious fault for hesitation and sluggish response. If this is your situation the MAF should be on your list to check. The HFM is easy to replace and could cure a variety of problems. We also sell HFM sensor cleaner that may clear your problem (see below). This mass air sensor also fits M60B30 engine. 3.0" diameter.

Complete your repair with a new boot and new clamps by selecting the option below. Boots are original BMW and we use high-quality factory-style clamps.

 

Complete Application List:
1993-95 E34 525i - M50 engine with VAN0S (M50TU)
1993-95 E36 325i, 325is, 325iC - M50 engine with VAN0S (M50TU)
1995 E36 M3 3.0-liter
1994-95 E34 530i - M60 3.0-liter engine

 

Bosch
Part #: 13621747155
Price: $212.05 (USD) 
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OEM VDO Fuel Hot-film Mass Air Meter -- M54 BMW

The mass air sensor/meter measures the volume of air being fed into the engine so that the fuel levels can be adjust for optimal performance. A faulty sensor can lead to improper fuel mixture and rough idle and poor performance and gas mileage. Replace your faulty sensor with a high quality OEM VDO sensor to restore normal operation. 

OEM VDO is one of the largest OE providers in the world, supplying numerous vehicle brands, including BMW, with many of their genuine parts that build the vehicle before they ever reach the car lot. Entrusted by many of the top names in automotives and with their proven history of reliability, it makes all of us here at Turner confident that their line of OEM replacement parts are a perfect option to restore your vehicles original operation and performance. The same great quality or higher than Genuine BMW parts at a lower cost.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform

VDO
Part #: 13627566984
Price: $239.95 (USD) 
Ships on Jul 25, 2018
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