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BMW E46 M3 External Engine Parts

BMW E46 M3 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 (E46) M3 2001-2006. Reset your chassis
For accurate results, specify your model below.
S54 Engine Cover - Blue

Add a touch of carbon to your engine bay for an excellent blend of class and style.

Eventuri was founded by true enthusiasts who had a shared passion for cars and performance, engineers that had a background in Aeronautics as well as automotive tuning. After experiencing disappointment time and time again from the claims set forth by the automotive aftermarket, they set out to raise the bar. Their goal? Set a new benchmark for intake design providing true gains, not just "claims."

Designed to use the "venturi effect," Eventuri has created a unique intake system that out-performs the competition. The Venturi effect is when the smooth reduction in cross-sectional area along the length of the housing causes the airflow to increase in velocity. This means more air-flow and smoother delivery, resulting in more power. But that isn't all that sets their design apart. They also use an inverted cone filter that is decoupled from the MAF. This is done because it means the filter no longer dictates the shape of air-flow, thus creating the venturi effect. 

Their systems are extensively developed using cutting edge design, testing and prototyping methods. With a focus on performance, each design undergoes CFD analysis and is then validated at the prototype stage through volumetric airflow, intake temperature and extensive dyno testing. They strive to publish all the development information to illustrate the depths they go in bringing an intake from concept to reality. Also assuring to only use the highest quality components for style and durability

Fits the following BMWs
2001-2005 E46 BMW M3

Eventuri
Part #: EVEE46KVENGB
Price: $870.00 (USD) 
Direct Ship
Quantity:   
Oil Separator - E46 M3, MZ3, MZ4 with S54 engine This Genuine BMW oil separator helps to remove oil from the air vented from the crankcase via a hose from the valve cover. When the crankcase vent valve fails it can cause excessive oil consumption, engine fault codes and poor idle. This crankcase vent valve is also know as Oil separator valve or PCV.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW Z3 M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
Genuine BMW
Part #: 11157840446
Price: $48.64 (USD) 
Ships on Dec 21, 2017
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S54 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 #: 009422ECS01
Price: $59.95 (USD) 
In Stock
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Torx Bolt for Vibration Damper - E46 M3, MZ3, Z4 M Roadster M Coupe These torx bolts secure the vibration damper to the crankshaft. 4 Required. Sold individually.

This item fits the following BMWs:
2000-2006 E46 BMW M3, M3 Convertible
2001-2002 Z3 BMW M Roadster M Coupe
2006-2008 Z4 BMW M Roadster M Coupe
Genuine BMW
Part #: 11231402608
Price: $9.70 (USD) 
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Genuine BMW Euro CSL Dipstick Guide Tube - 11437833653 - E46 M3 CSL

This dipstick tube is made to be used with the CSL airbox. the tube itself is bent slightly different than the normal dipstick tube to accommodate for the CSL airbox's larger size.

Fits the following BMW:
2003 E46 BMW M3 CSL

Genuine European BMW
Part #: 11437833653
Price: $69.30 (USD) 
Ships on Feb 20, 2018
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Vibration Damper - E46 M3, MZ3 (S54), Z4 M Roadster, M Coupe This is the vibration damper that is mounted between the crankshaft and the belt pulley. Fits cars with the S54 6 cylinder engine. We recommend replacing the torx bolts #11231402608 x 4 as well (see below).

This item fits the following BMWs:
2001-2006 E46 BMW M3, M3 Convertible
2001-2002 Z3 BMW M Roadster M Coupe (S54)
2003-2008 Z4 BMW Z4 M Roadster M Coupe
Genuine BMW
Part #: 11237834425
Price: $614.19 (USD) 
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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: $229.95 (USD) 
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Crankcase Breather Hose - E46 M3 05-06, Z4M - S54 This hose directs the oil & combustion vapors from the valve cover and directs them to the intake manifold where they are put through combustion again in order to reduce emissions. We recommend replacing this hose when replacing the oil separator #11157840446.

This item fits the following BMWs:
2005-2006 E46 BMW M3
2006-2008 E85 BMW Z4 M Roadster M Coupe
Genuine BMW
Part #: 11157834056
Price: $168.36 (USD) 
Ships in 4 days
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E46 M3 Oil Pan - 11137838130 This aluminum oil pan fits BMW E46 M3 with the S54 engine.

This item fits the following BMWs:
2001-2006 E46 BMW M3
Genuine BMW
Part #: 11137838130
Price: $775.20 (USD) 
Ships in 4 days
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Crankcase Breather Hose - E46 M3 01-04 Z3M - S54 This hose directs the oil & combustion vapors from the valve cover and directs them to the intake manifold where they are put through combustion again in order to reduce emissions. We recommend replacing this hose when replacing the oil separator #11157840446.

This item fits the following BMWs:
2001-2004 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe
Genuine BMW
Part #: 11157831311
Price: $46.52 (USD) 
Ships in 4 days
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Oil Gauge Adapter Blocks

Rally Road Productions, Inc. is a team supported by a group of people with great abilities in their area of expertise. From the "web guy" and driving instructor friends, to owners of various machine shops, they have surrounded ourselves with people that can be trusted to create and manufacture quality products. This is the key to ensuring everything that they sell will perform as it was intended. The goal is to increase customer satisfaction and make the customization or performance enhancement of your vehicle a more enjoyable venture.

This oil gauge adapter block manages to help you clear two hurdles at once and it looks great doing it!

First, is the accommodation for an aftermarket oil pressure gauge. The banjo bolt connection lets the block swivel which allows you to mount a small gauge inside the engine bay or run a line to an interior unit. Secondly, this adapter block has a pre-tapped fitting for a turbocharger oil feed line, eliminating the need to drill into your engine block. Additionally, the factory oil pressure sender remains installed and fully functional. Comes shipped with plugs in the oil sender and turbo outlet so you can install it and remove the plugs as needed.

Features:

  • Anodized blue
  • 1 M12 x 1.5 port with plug
  • 1 1/8npt port with plug
  • 1 Stainless steel banjo bolt
  • 2 Copper sealing washers

This Part Fits the Following BMWs
1984-1991 E30 318i
1984-1991 E30 M3
1992-1999 E36 323is, 323i, 323ic, 325is, 325i, 325ic, 328i, 328is, 328ic
1992-1999 E36 M3
1999-2005 E46 323ci, 323i, 325ci, 325i, 325xi, 328ci, 328i, 328xi, 330ci, 330i, 330xi
1999-2005 E46 M3
1989-1995 E34 525i
1989-1995 E34 535i
1996-2002 E36 Z3 2.5, Z3 2.8, Z3 3.0
1996-2002 E36 Z3 M-S52
1996-2002 E36 Z3 M-S54
2003-2008 E85/E86 Z4 2.5i, Z4 3.0
2003-2008 E85/E86 Z4 M
 

Rally Road
Part #: B058
Price: $69.95 (USD) 
Ships on Dec 29, 2017
Quantity:   
S54 Engine Cover - Black Carbon

Add a touch of carbon to your engine bay for an excellent blend of class and style.

Eventuri was founded by true enthusiasts who had a shared passion for cars and performance, engineers that had a background in Aeronautics as well as automotive tuning. After experiencing disappointment time and time again from the claims set forth by the automotive aftermarket, they set out to raise the bar. Their goal? Set a new benchmark for intake design providing true gains, not just "claims."

Designed to use the "venturi effect," Eventuri has created a unique intake system that out-performs the competition. The Venturi effect is when the smooth reduction in cross-sectional area along the length of the housing causes the airflow to increase in velocity. This means more air-flow and smoother delivery, resulting in more power. But that isn't all that sets their design apart. They also use an inverted cone filter that is decoupled from the MAF. This is done because it means the filter no longer dictates the shape of air-flow, thus creating the venturi effect. 

Their systems are extensively developed using cutting edge design, testing and prototyping methods. With a focus on performance, each design undergoes CFD analysis and is then validated at the prototype stage through volumetric airflow, intake temperature and extensive dyno testing. They strive to publish all the development information to illustrate the depths they go in bringing an intake from concept to reality. Also assuring to only use the highest quality components for style and durability

Fits the following BMWs
2001-2005 E46 BMW M3

Eventuri
Part #: EVEE46CFENG
Price: $825.00 (USD) 
Direct Ship
Quantity:   
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: $99.95 (USD) 
In Stock
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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: $27.00 (USD) 
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Coolest $10 Part Ever (fan stud nut for engine fan delete) This BMW Motorsport part was designed for BMW touring car racing. This reverse thread nut covers the ugly exposed stud when you remove your engine fan and fan clutch. This simple part cleans up the look of an engine with the fan removed. Fits most BMW models. COOL!
Genuine BMW
Part #: 11511310640
Price: $9.90 (USD) 
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Constant Pressure Valve for E46 M3, MZ3 (S54), and Z4 M Oil leak on the E46 M3? The constant pressure valve, or oil pressure relief valve, is the most likely reason. This screw valve, located on the rear of the engine block behind the #2 header, has an o-ring that becomes flat over time, allowing oil to leak around it and down the back of your engine, transmission, undertray, and eventually to your driveway. If you see an oil leak around your transmission and think it's the rear main seal or from the oil pan, try replacing this first. Replacement is the only remedy as the o-ring is not available separately from BMW. This is an Original BMW part. One required.

Applications:
1993-1999 Euro E36 M3 (S50 Euro, S52 Euro engine)
2001-2002 MZ3 M Roadster, M Coupe (S54 engine)
2001-2006 E46 M3, E46 M3 CSL
2006-newer E85 Z4 M Roadster, E86 Z4 M Coupe

Genuine BMW
Part #: 11111318185
Price: $43.36 (USD) 
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