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BMW E39 External Engine Parts

BMW E39 External Engine Parts Looking for parts under the hood of your BMW? This section is for parts and accessories mounted to, and around, the engine. 'External' engine components covers parts and systems up to and after the cylinder head. Examples include crankcase vent valves, secondary air systems, idle control valves, oil filler caps, valve cover trim, and more. For parts within the engine and cylinder head see our 'Internal Engine Components' section.
You're currently viewing parts for your (E39) 5-Series 1996-2003. Reset your chassis
For accurate results, specify your model below.
Oil Filler Cap with M logo - E36 M3 96-99 E46 M3 MZ3 This oil filler cap features the M logo and fits BMW E36 M3, E46 M3, and MZ3 with S52 and S54 engines.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1996-1999 E36 BMW M3
2001-2006 E46 BMW M3
1998-2002 Z3 BMW M Coupe M Roadster
Genuine BMW
Part #: 11121405452
Price: $14.71 (USD) 
$16.71 (12% off MSRP)
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Turner Motorsport
Part #: TEN3680FRC
Price: $119.95 (USD) 
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M54 Billet Aluminum Dipstick Billet aluminum oil dipstick in black, clear anodize silver, and polished to personalize your engine bay. A perfect complementary touch to a monochromatic theme. The dipstick itself slides better in the tube so no more fighting to reinstall it.
ECS
Part #: 009424ECS01
Price: $59.95 (USD) 
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Idle Control Valve - M50, M52, M52TU, M54 Rough or hunting idle? Stalling? Sputtering? These are all symptoms of poor fuel delivery or a vacuum leak in your intake system. The idle control valve is one of the areas that you can check to fix these issues. The ICV is basically a electrically-driven throttle body that regulates the air/fuel mixture at light throttle openings. Over time, the ICV can become gummed up with oil and carbon, resulting in slow or blocked operation. Worst case, the electric motor inside will freeze which will stall the engine.

The ICV will typically need to be cleaned or replaced every 100k miles. It can be cleaned with carb cleaner but for seriously dirty or old ICVs you may want to replace the whole unit with a new one. There is also a hard rubber seal between the ICV and the manifold and this should be replaced as well. You may also want to replace the Crankcase Vent Valve as it can also fill up with oil and carbon and replacement can be done at the same time as the ICV.

Add a new ICV to your M50 Manifold Upgrade to save time and money!

This is a new OEM Bosch idle control valve. We offer a new sealing grommet as an option below in case you need to replace your dry or cracked seal..
13411744713 - idle control valve
13411733217 - sealing grommet (optional)

This idle control valve fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1989-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe (except S54)
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
Bosch
Part #: 13411744713
Price: $170.64 (USD) 
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High Flow Throttle Body (1996-1998)

Dinan's high flow throttle body greatly improves airflow to the intakes to create more horsepower, torque, and throttle response.

This throttle body is worth 2 points towards your Dinan Badge.

For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere.

Includes refundable core charge

This part fits the following BMWs:
1995 - 2002 Z3 M Roadster Z3 2.8 
1996 - 2004 E39 Sedan 528i 
1998 - 2004 E39 Touring 528i 
1992-1999 E36  328i 328is

Dinan
Part #: d760-3200KT
Price: $650.50 (USD) 
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Valve Cover / Injection Rail Trim Cap - E36 E46 E34 E39 E60 X3 X5 Z4 This plug cover serves several different purposes. It covers the bolts in the valve cover on some cars and it also covers the bolts on the fuel injector rail cover on other cars.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic
1995-1999 E36 BMW M3 - Only for Fuel Injection Rail Cap
1999-2005 E46 BMW 323i 323ci 325i (M54) 325ci (M54) 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000 Z3 BMW M Roadster M Roadster (S52) - Only for Fuel Injection Rail Cap
2003-2008 Z4 BMW Z4 2.5i Z4 3.0i
Genuine BMW
Part #: 11121726089
Price: $2.78 (USD) 
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Oil Dipstick Guide Tube - E46 E39 Z4 This oil dipstick guide tube is the updated part designed to reduce the potential for clogging. We recommend replacing this item with the Crankcase oil separator valve repair kit as it is often plugged from oil sludge. This fits E46 323i 323ci 325i 325ci 328i 328ci 330i 330ci e39 528i 525i 530i Z4 2.5i 3.0i

This item fits the following BMWs:
1999-2005 E39 BMW 323i 323ci 325i(M54) 325ci (M54) 328i 328ci 330i 330ci - NOT for Xi models!
1999-2003 E39 BMW 525i 528i 530i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i
Genuine BMW
Part #: 11437565437
Price: $79.08 (USD) 
$87.81 (10% off MSRP)
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Water Pump Pulley - E36 E39 Z3 This is the stock water pump pulley that mounts between the engine fan and the water pump. We have seen these plastic or composite pulleys crack around the mounting bolt holes. If left un-noticed the whole pulley can fall apart which will immediately disable the car and possibly leave you stranded. It can also break while performing other work around it such as removing the fan, replacing the water pump, or even just replacing the belt. Replacing this pulley while doing the water pump can be a good preventative measure.

This pulley is available in two different styles - the stock plastic or a stronger aluminum version. The same drawbacks with the stock pulley also apply to this plastic version. But if you're replacing the water pump on a regular basis then you should also replace the plastic pulley. The aluminum pulley will obviously last much longer. Both are the same size as the stock original pulley.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1997-1998 E39 BMW 528i
1997-1998 Z3 BMW Z3 2.8
1998-2000 Z3 BMW M Roadster M Coupe
Packaged by Turner
Part #: 11511730554
Price: $27.42 (USD) 
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Genuine BMW Cylinder Head Cover - 11127512839 - E39,E46,E53,E60,E83,E85

 


Genuine BMW Cylinder Head Cover -
This item fits the following BMW Chassis:
E39,E46,E53 X5,E83 X3,E85,E60,E61

Fits BMW Engines including:
M54
 

 

Genuine BMW
Part #: 11127512839
Price: $349.50 (USD) 
$459.59 (24% off MSRP)
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S62 Billet Aluminum Dipstick Billet aluminum oil dipstick in black, clear anodize silver, and polished to personalize your engine bay. A perfect complementary touch to a monochromatic theme. The dipstick itself slides better in the tube so no more fighting to reinstall it.
ECS
Part #: 009423ECS01
Price: $38.58 (USD) 
$59.95 (Sale - Save 36%)
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Valve Cover Trim Cap E32 E34 E38 E39 X5 with M60/M62 V8 engines Missing that little square cap with 3 silver stripes in your valve cover? This valve cover trim cap often gets misplaced when working on the M60/M62 engine. This fits E32 740i 740il E34 530i 540i E38 740i 740il E39 540i X5 x5 4.4i X5 4.6is thru 2003
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1992-1995 E34 BMW 530i 540i
1997-2003 E39 BMW 540i
1992-1994 E32 BMW 740i 740il
1995-2001 E38 BMW 740i 740il
1990-1998 E31 BMW 840i 840ci
2000-2003 E53 BMW X5 4.4i X5 4.6is
Genuine BMW
Part #: 11121736007
Price: $5.13 (USD) 
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OEM LuK Power Steering Pressure Bump -- E39 M52 M54

This is an OEM LuK power steering pump. If your pump is going out, your steering will be adversely affected, especially at lower speeds. Your steering will become stiff and give you less ease of control of the vehicle. Eventually the rest of the steering system will begin to be damaged due to a lack of fluid and pressure.

OEM Schaeffler (INA, LuK, & FAG) is an engineering company that focuses on high-performance, precision manufacturing. With their individual brands INA, Luk, and FAG providing exceptionally high quality parts directly to BMW, as well as countless other automotive companies, their history of reliability and variety of offered parts makes Schaeffler a go-to replacement parts provider for all of us here at Turner Motorsport.

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!

LUK
Part #: 32411097149
Price: $342.46 (USD) 
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Electric Valve - For Secondary Air System Or Exhaust Flap

This electric valve serves one of several purposes depending on which car it is used on. Please read the application listings below to ensure you are purchasing the correct part. 

Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.


This item fits the following BMWs:
Secondary Air System Valve
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1999-3/2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
2003-2005 E46 BMW 325i 325ci (M56)
1997-2003 E39 BMW 525i 528i 530i 
2000-2006 E53 BMW X5 3.0i 
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 
1997-2000 Z3 BMW M Roadster M Coupe (S52)

Pierburg
Part #: 11747810831
Price: $39.95 (USD) 
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Secondary Air Valve - E39 M5, E36 318i M44, Z3 1.9 This secondary air shut off valve helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.

This is also one of the main causes of carbon build-up in the E39 M5 secondary air system. This shut-off valve can allow exhaust gas to blow back into the system where it accumulates. Regular replacement of this part will help prevent that build-up.

This item fits the following BMWs:
1996-1998 E36 BMW 318i 318is 318ti 318ic with M44 engine
1997-2003 E39 BMW M5
1996-1998 Z3 BMW Z3 1.9
2000-2003 E52 BMW Z8 Roadster
Genuine BMW
Part #: 11721433713
Price: $103.80 (USD) 
$116.35 (11% off MSRP)
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Genuine BMW Oil Filter Housing Cover - E36 E46 E39 E60 X3 X5 Z3 Z4 This Genuine BMW oil filter housing cover is the plastic cap that screws onto the top of the oil filter housing on cars with the M52, M54 or M56 engines.

This item fits the following BMWs:
1995-1998 E36 BMW 323is 323ic 328i 328is 328ic
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i
Genuine BMW
Part #: 11421744000
Price: $38.14 (USD) 
$43.22 (12% off MSRP)
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OEM Bosch Idle Control Valve - E31 E32 E34 E38 E39 E46 M3, Z3M, Z4M

Rough or hunting idle? Stalling? Sputtering? These are all symptoms of poor fuel delivery or a vacuum leak in your intake system. This T-shaped idle regulating valve is one of the areas that you can check to fix these issues. The ICV is basically a electrically-driven throttle body that regulates the air/fuel mixture at light throttle openings. Over time, the ICV can become gummed up with oil and carbon, resulting in slow or blocked operation. Worst case, the electric motor inside will freeze which will stall the engine.

The ICV will typically need to be cleaned or replaced every 100k miles. It can be cleaned with carb cleaner but for seriously dirty or old ICVs you may want to replace the whole unit with a new one. You may also want to replace the Crankcase Vent Valve as it can also fill up with oil and carbon and replacement can be done at the same time as the ICV. On cars with V8 engines, we recommend replacing the rubber grommet between the valve and the manifold - Part # 13411733217

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!


This idle control valve fits the following BMWs:
1992-1998 E36 BMW M3 Euro Spec Models Only!
2001-2006 E46 BMW M3
1989-1995 E34 BMW 530I 540i
1997-2003 E39 BMW 540i M5
1988-1994 E32 BMW 740i 740il
1995-2001 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci
2001-2002 Z3 BMW Z3 M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster

Bosch
Part #: 13411733090
Price: $210.59 (USD) 
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Secondary Air Pump - E39 528i 1997,1998 This secondary air pump fits BMW 528i, 1997-1998. This part helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.

This item fits the following BMWs:
1997-1998 E39 BMW 528i
Pierburg
Part #: 11721427911
Price: $224.95 (USD) 
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Valve Cover - 11121703341 - E36 323i, 328i, M3, E39 528i

Valve cover cracked? Replace yours today with this Genuine BMW Part. This is the cylinder head cover / valve cover for M52/S52 engines.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1997-1998 E39 BMW 528i
1996-1998 E36/7 BMW Z3 2.8
1996-2000 E36/7 BMW M Roadster M Coupe

Genuine BMW
Part #: 11121703341
Price: $410.21 (USD) 
$459.59 (11% off MSRP)
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OEM Hella Intake Temperature Sensor - E36 E46 E39 E38 X3 X5 Z3

The temperature sensor is mounted in either the intake manifold or the intake air box assembly depending on the model of car. This OEM Hella replacement will insure proper readings and fuel/air mixtures for the given temperature.

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 item fits the following BMWs:
1996-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 328i 328is 328ic M3
1999-2000 E46 BMW 323i 323ci 328i 328ci
2001-2005 E46 BMW 325i 325ci 325xi 330i 330ci 330xi - M54 engine only
1997-2003 E39 BMW 525i 528i 530i 540i
1997-2001 E38 BMW 740i 740il 750il
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1998-2000 Z3 BMW M Roadster M Coupe

Hella
Part #: 13621739510
Price: $24.95 (USD) 
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Billet Aluminum Oil Filter Housing Cap - M52 M54 BMW uses a lot of plastic in their engine components to save weight and money. Unfortunately, plastic is damaged easily and the factory oil filter cap needs a special tool to remove. This aluminum cap is much more durable and features a standard 17mm hex and 36mm hex posts on the top. 17mm is also the size of your engine oil drain plug, reducing the number of tools that you need to complete an oil change. This cap is designed to use the original o-ring seal so no special parts are required. You only have to remove the original 'filter cage' from the original cap and transfer it to the new aluminum cap. The satin black anodize blends in with the rest of your engine bay making this a smart and subtle upgrade.
ECS
Part #: 002605ECS01A
Price: $89.95 (USD) 
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Secondary Air Pump - E39 540i, M5 1999-2003 This secondary air pump fits BMW 540i, M5 1998-2003. This part helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.

This item fits the following BMWs:
1999-2003 E39 BMW 540i M5
Hella
Part #: 11721433958
Price: $258.32 (USD) 
Ships on Jun 12, 2018
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Lower Timing Chain Tensioner - E39 M5, Z8 This Genuine BMW timing chain tensioner piston mounts at the bottom of the timing system. Over time this piston seals can fail causing the timing chain to become slack. This can initally lead to excess valve train noise and over timeit can damage the other timing components. Replace the timing chain tensioner on your S62 V8 engine today.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1999-2003 E39 BMW M5
2000-2003 E52 BMW Z8 Roadster
Genuine BMW
Part #: 11311406261
Price: $142.91 (USD) 
$160.77 (11% off MSRP)
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OEM Bosch Idle Control Valve - M50, M52, M52TU, M54

Rough or hunting idle? Stalling? Sputtering? These are all symptoms of poor fuel delivery or a vacuum leak in your intake system. The idle control valve is one of the areas that you can check to fix these issues. The ICV is basically a electrically-driven throttle body that regulates the air/fuel mixture at light throttle openings. Over time, the ICV can become gummed up with oil and carbon, resulting in slow or blocked operation. Worst case, the electric motor inside will freeze which will stall the engine.

The ICV will typically need to be cleaned or replaced every 100k miles. It can be cleaned with carb cleaner but for seriously dirty or old ICVs you may want to replace the whole unit with a new one. There is also a hard rubber seal between the ICV and the manifold and this should be replaced as well. You may also want to replace the Crankcase Vent Valve as it can also fill up with oil and carbon and replacement can be done at the same time as the ICV.

Add a new Bosch ICV to your M50 Manifold Upgrade to save time and money!

This is a new OEM Bosch idle control valve. We offer a new OE BMW sealing grommet as an option below in case you need to replace your dry or cracked seal..
13411744713 - idle control valve
13411733217 - sealing grommet (optional)

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!

This idle control valve fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1989-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe (except S54)
2003-2005 E85 BMW Z4 2.5i Z4 3.0i

Bosch
Part #: 13411744713
Price: $170.64 (USD) 
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Oil Filter Housing Rubber Mount - E39 540i, E38 740i 750i, E32,  E31 The oil filter housing rubber mounts are a common failure item on the E38 E39 with the M60, M62 engine and E31 E32 and E38 with the M70 M73 engine. Replace yours today with this Genuine BMW part. Sold individually.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1997-2003 E39 BMW 540i
1988-1994 E32 BMW 750il
1995-2001 E38 BMW 740i 740il 750il
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi


Fits BMW Engines including:
M60,M62,M70,M73,M73N,S70
Genuine BMW
Part #: 11421436982
Price: $22.19 (USD) 
$24.87 (11% off MSRP)
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Timing Chain Deflection Rail - E39 540, E38 740i/il (m62), E53 X5 4.4i, 4.6is, This BMW timing chain deflection rail is "U" shaped and mounted to the front of the engine under the timing cover. Mission Trading Company is a worldwide leader in the manufacturing of European, Japanese and domestic auto parts. With factories around the world producing parts to the most stringent of standards MTC is there with the parts for your next project.

Mission Trading Company is a worldwide leader in the manufacturing of European, Japanese and domestic auto parts. With factories around the world producing parts to the most stringent of standards MTC is there with the parts for your next project.

This item fits the following BMWs:
1997-2003 E39 BMW 540i
1996-2001 E38 BMW 740i 740ill
2000-2003 E53 BMW X5 4.4i X5 4.6is
2000-2003 E52 BMW Z8 Alpina Roadster
MTC
Part #: 11311741777
Price: $114.95 (USD) 
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Engine Cover This is the Genuine BMW plastic engine cover that says "M Power" for E36 323is 328i with the M52 6 cylinder engine. It is common for this cover to crack or become discolored over time. The small round trim plugs #11121726089 are sold separately. 1992-1998 E36 BMW 323is 323ic 328i 328is 328ic
1997-1998 E39 BMW 528i
1996-1998 E36/7 BMW Z3 2.8
Genuine BMW
Part #: 11121748633
Price: $135.80 (USD) 
$157.13 (14% off MSRP)
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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: $132.70 (USD) 
$139.45 (Sale - Save 5%)
Ships on May 24, 2018
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Valve Cover Nut - E36 E46 E39 E60 and more Ever lose one of these or round one off while working on your car? This valve cover nut includes the washer and rubber seal. Sold Individually.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1997-2000 Z3 BMW M Roadster M Roadster
2003-2006 Z4 BMW Z4 2.5i Z4 3.0i
Genuine BMW
Part #: 11121738607
Price: $7.55 (USD) 
In Stock
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on orders $99 and up
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N15 Design Secondary Air Pump Block Off Plate - with Gasket

For elimination of the air pump control valve, made from CNC machined 6061 aluminum.

 

N15 Design
Part #: SAPBOPG
Price: $29.49 (USD) 
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Oil Filter Housing Rubber Mount - E39 M5 The oil filter housing rubber mounts are a common failure item on the E39 M5 with the S62 engine. Replace yours today with this Genuine BMW part. Sold individually.
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1999-2003 E39 BMW M5
Genuine BMW
Part #: 11421407441
Price: $25.30 (USD) 
$28.86 (12% off MSRP)
In Stock
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Secondary Air Valve - E39 528i 1997-1998 This secondary air pump fits BMW E39 528i. This part helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.

This item fits the following BMWs:
1997-1998 E39 BMW 528i
Genuine BMW
Part #: 11727540467
Price: $127.73 (USD) 
$143.17 (11% off MSRP)
Ships in 3 days
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