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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

Part #: EVEE46KVENGB
Price: $870.00 (USD) 
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
Part #: 11157840446
Price: $50.95 (USD) 
Quantity:   
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.
Part #: 009422ECS01
Price: $59.95 (USD) 
Front Crankshaft Seal - M50, M52, M54, S50, S52 engines

This is the front crankshaft seal (48x65x10) for most BMW's with M50, M52, M54 S54 engines. 


This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
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
2003-2006 E85 BMW Z4 2.5i Z4 3.0I
2006-2008 E85 BMW Z4 M Roadster M Coupe

Part #: 11142249532
Price: $10.95 (USD) 
Quantity:   
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
Part #: 11231402608
Price: $9.22 (USD) 
Quantity:   
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

Part #: 11437833653
Price: $69.30 (USD) 
Quantity:   
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
Part #: 11237834425
Price: $583.48 (USD) 
$733.86 (20% off MSRP)
Quantity:   
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

Part #: 13411733090
Price: $229.95 (USD) 
Free Shipping Free Shipping
Quantity:   
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
Part #: 11157834056
Price: $159.94 (USD) 
Quantity:   
S54 Engine Cover - Red

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

Part #: EVEE46KVENGR
Price: $870.00 (USD) 
Quantity:   
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
Part #: 11137838130
Price: $859.95 (USD) 
Quantity:   
Relay - White Green - Most BMWs This relay is often the fuel pump relay for many BMW models. To ensure the relay is correct for your car please check the pin locations. The following are alternate part numbers for this item. 12631735424, 61368366600, 12631714976, 61311350315, 61311378297, 61361378238, 61360153636.

This item fits the following BMWs:
2008+ E82 BMW 128i 135i 1M Coupe
1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
2006-2012 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2007-2013 E93 BMW 328i 335i M3 - Convertible
1989-1995 E34 BMW 525i 530i 535i 540i M5
1997-2003 E39 BMW 525i 528i 530i 540i M5
2004-2010 E60 BMW 525i 525xi 530i 530xi 528i 528xi 528i xDrive 535i 535xi 535i xDrive 545i 550i M5
2004-2011 E63 BMW 645ci 650i M6
1988-1994 E32 BMW 735i 735il 740i 740il 750il
1995-2001 E38 BMW 740i 740il 750il
2002-2008 E65 BMW 745i 745li 750i 750li 760i 760li
1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
2004-2010 E83 BMW X3 2.5i X3 3.0i X3 3.0si
2000-2006 E53 BMW X5 3.0i X5 4.4i X5 4.6is X5 4.8is
2007-2013 E70 BMW X5 3.0si X5 4.8i X5 xDrive30i X5 xDrive35d X5 xDrive35i X5 xDrive48i X5M
2008+ E71 BMW X6 xDrive35i X6 xDrive50i X6M
1997-2002 Z3 BMW Z3 1.9 Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe
Part #: 61368373700
Price: $15.40 (USD) 
Quantity:   
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
Part #: 11157831311
Price: $48.95 (USD) 
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

Part #: EVEE46CFENG
Price: $795.00 (USD) 
Quantity:   
Turner Plug-and-Play IAT Relocation Kit

If you've ever noticed your car feeling a bit sluggish after a few laps around the track, some hard driving, or even sitting in traffic on a hot day you may have been a victim of power loss due to heat soak.  All vehicles will lose some degree of performance due to heat soak under the right operating conditions.  The engine management system is constantly monitoring operating conditions and modifying parameters based on sensor inputs.  The problem is that BMW integrated the intake air temp sensor in the MAF housing, and often the MAF is sandwiched behind a hot radiator and in some applications next to an even hotter valve cover.  This is fine for overall simplicity and cost of the original engine management system, but less than ideal for optimal performance.  The MAF housing absorbs the excess heat from its surroundings and can’t shed it fast enough, and the ECU reads a falsely high intake air temperature.  It then incorrectly adjusts operating parameters to compensate for the false hot air measurement (pulling timing and running a leaner fuel mixture), and torque output drops like a rock.

The fix?  Locate an intake air temp sensor in a location where it can more accurately measure incoming air temps and where it is less prone to heat soak.  By mounting a sensor further away from the heat source and divorcing it from the mass of the MAF housing, it can both resist the effects of heat soak longer and respond to temperature changes more quickly.  The end result?  You’ll experience reduced loss in torque 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.  We set out to first validate the functionality and performance benefit of a temp sensor relocation. We set out to replicate stop-and-go traffic heat soak in a 2001 540i in a controlled environment - our dynamometer. Four runs were performed with the dyno's cooling fans turned off to simulate heat soak like being stuck in traffic or low speeds, then the fans were turned on for three more runs to observe the recovery rate once air flow was reintroduced. This was done in stock configuration and then repeated with our sensor relocation kit. 

Result? We recovered 11lb-ft torque at 2500rpm by relocating the temperature sensor! This is a difference that can be felt behind the wheel - owners of M5s can expect an even larger recovery. Here are the heat soak-related torque losses we experienced: 

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

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

Other “kits” on the market require you to cut and splice into your factory wiring harness. The Turner engineering team designed a complete plug and play kit that makes for quick, easy, and reversible installation. Original equipment weather-sealed connectors offer long term reliability, while sheathed wiring offers a clean appearance - you'll quickly forget it's under the hood. We found that different applications called for slightly different sensor positioning and cable routing, so our harness is nearly 3 feet long - long enough to provide flexibility in positioning, but not too long that you're left with unsightly excess wiring. We recommend positioning the sensor in a location away from engine heat, but still within the intake ducting (we found the far side of the airbox base to be a good home). Installation is as simple as drilling a small hole for the sensor and plugging in the harness.

We include everything you need to relocate your IAT - just select your desired sensor brand below (we recommend Beru).

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

Turner IAT Relocation Kit fits the following BMWs: 
1999-2001 E38 BMW 740i 740il
1999-2003 E39 BMW 540i M5* 
2006-2010 E6X BMW M5 M6*
2000-2003 E53 BMW X5 4.4i 4.6is
2001-2006 E46 BMW M3
2001-2002 MZ3 BMW M Coupe M Roadster
2006-2008 MZ4 BMW M Coupe M Roadster

*Despite the M5 having two MAF, temperature is only detected on the passenger side MAF, and therefore only one relocation is required.

Part #: 014579TMS
Price: $99.95 (USD) 
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!
Part #: 11511310640
Price: $9.41 (USD) 
Quantity:   
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

Part #: 11111318185
Price: $46.95 (USD) 
Quantity:   
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