BMW Engine Parts for BMW 3 Series E46 (1999-2005)

Genuine BMW Oil Cooler Lines - E46 M3

T#:46784

Part#: 17222283209

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$ 292.99 USD

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Genuine BMW Oil Cooling Pipe
This item fits the following BMW Chassis:
E46 M3,E46

Fits BMW Engines including:
S54

Bav Auto Ratcheting Serpentine Belt Wrench Kit

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T#:580390

Part#: B8800077

In Stock

Sale - Save 7% $ 67.99

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

$ 62.99 USD

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Used to retract your serpentine belt tensioner. This kit includes 18mm, 5/8 in, 14mm, 13mm, 12mm, sockets and 3/8 in and 1/4 in drive adapters

Genuine BMW VANOS Filter Change Kit - Level II - S54

T#:370591

Part#: 11367831906

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$ 104.99 USD

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$ 104.99 USD

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Oil Dipstick Guide Tube - E46 325xi 330xi 2001-2005

T#:2892

Part#: 11437565438

In Stock

8% off MSRP $ 151.99

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

$ 142.99 USD

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8% off MSRP

$ 151.99

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

$ 142.99 USD

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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 325xi 330xi. E83 X3 2.5i 3.0i 2004-2006
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:
2001-2005 E46 BMW 325xi 330xi
2004-2006 E83 BMW X3 2.5i X3 3.0i

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HD Precision Boost Battery Clamps - NOCO

T#:641115

Part#: GBC003

In Stock

Sale - Save 6% $ 24.99

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$ 23.61 USD

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The NOCO GBC003 Boost HD Precision Battery Clamps are heavy-duty clamps crafted for use with 12-volt gas and diesel engines. These clamps feature a needle-nose profile, allowing them to fit any shape or size battery terminal, from small terminals in tight spaces to top and side post batteries, as well as large terminal sizes. Their robust and rugged springs ensure maximum current flow with minimal power loss. Additionally, the Boost HD Precision accessory boasts no-melt and smoke-free properties, high current transferability, and reinforced all-metal construction.

Features:

Heavy-duty battery clamp designed for both 12-volt gas and diesel engines.
Needle-nose clamp profile for jump starting hard-to-reach and oversized battery terminals.
Made from durable, heat stabilized 8 AWG silicone wire that maintains its flexibility in cold weather environments.
Engineered to efficiently transfer maximum current flow with minimal power loss.
Compatible with the GB20, GB40, GB50, and GBX45 UltraSafe Lithium Jump Starters.

WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. See above warning label as well as http://www.p65warnings.ca.gov for further information on Proposition 65 warnings.

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Schwaben Remote Starter Switch

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T#:366792

Part#: 010611SCH01A

Special Order: No Guaranteed ETA

Sale - Save 3% $ 41.99

This product was last offered at the strikethrough price on
05-02-2026

$ 40.73 USD

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Great for compression tests, aligning timing marks, belt installation and much more.

AutoTecknic - Carbon Competition Fuel Cap Cover - Various BMW and MIN...

T#:39971046

Part#: BM-0006-BCG

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$ 65.00 USD

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AutoTecknic - Carbon Competition Fuel Cap Cover - Various BMW and MINI Models is a premium exterior upgrade crafted from genuine carbon fiber, designed to enhance the aggressive styling and performance aesthetic of compatible BMW and MINI vehicles with an easy, OEM-fit installation.

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Fuel Level Sensor - E46

T#:12559

Part#: 16116768788

Ships in 1-2 days

2% off MSRP $ 443.99

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

$ 432.99 USD

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2% off MSRP

$ 443.99

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$ 432.99 USD

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This Genuine BMW fuel level sensor provides fuel level information to the fuel gauge on E46 3 series. It is mounted on the left side of the car.

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:
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi

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Glyco "Yellow" Crankshaft Bearing Shell - Set - E30, E36, E39, E46, E...

T#:375824

Part#: 11211706850

In Stock at Vendor

$ 126.61

This product was last offered at the strikethrough price on
07-15-2026

$ 120.62 USD

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$ 120.62 USD

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59.75MM(+0.25) bore

Wagner Tuning M54 Upgrade Head Stud Set - Burnished

T#:38330030

Part#: P102031410

Ships in 4 Business Days

$ 499.00 USD

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A necessary upgrade for the M54 engine if you plan on adding more power!

BMW M54 Main Bearing Performance Set

T#:26171610

Part#: 5150-HPMBS-M54

Ships in 3 Business Days

$ 343.99 USD

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BMW M54 Main Bearing Performance Set is engineered to meet the rigorous demands of high-performance engine builds. Designed by Turner Motorsport, these high-performance coated main bearings offer enhanced durability and efficiency for engines subjected to extreme conditions.

High-Performance Coating: Treated with a specialized coating by Calico, these bearings reduce friction and prevent "spinning" under high stress, making them ideal for high-power applications.
Enhanced Power Generation: The coating allows the engine to generate more power while maintaining reliability, even under demanding conditions.
Thermal Resistance: Built to withstand high temperatures and perform effectively in forced induction and race applications, these bearings help prevent engine failure due to oil pressure loss.
Proven Durability: Tested extensively on and off the track, 5150 bearings are known for their longevity and superior performance compared to other bearings on the market.

Upgrade to the BMW M54 Main Bearing Performance Set from Turner Motorsport for a robust solution that enhances engine reliability and performance.

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Performance Rod Bearing Set - M5X

T#:26171648

Part#: 5150-HPRBS-M50

Ships in 3 Business Days

$ 219.99 USD

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5150 High-Performance Coated Rod Bearing Sets are made for the demands of high-performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market. Tech Notes: As with all bearings, please check your tolerances and size before installation. Due to the specialized tools needed, professional install recommended.

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MTX-D: Ethanol Content % And Fuel Temperature Gauge

T#:22558994

Part#: INN3904

In Stock at Vendor

14% off MSRP $ 313.99

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

$ 269.00 USD

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14% off MSRP

$ 313.99

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

$ 269.00 USD

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Introducing the Innovate Motorsports MTX Digital Series "Dual Function" Gauges – now available! These 2 1/16" (52mm) gauges come with interchangeable faceplates and bezels, locking connectors for simplified installation, and MTS serial connections for seamless integration with other Innovate devices for data logging.

DISPLAY RANGE

Ethanol Content %: 0-100%
Temperature: -40-257 °F (-40-125°C)

KEY FEATURES

Ethanol Content
Error reporting for ethanol content sensor (Digital Display)
Fuel Temperature
Customizable exterior LED display
Programmable exterior LED color options
Selectable unit of measure in °F or °C
Programmable fuel temperature warning (outer LED)
2-Configurable analog outputs
Ethanol Content: 0v = 0%, 5v = 100%
Fuel Temperature: 0v = -40 °F, 5v = 257 °F (-40-125°C)

MTX-D: Ethanol Content Percentage & Fuel Temp Gauge Kit includes Gauge (Black Faceplate, Black Bezel), Silver Bezel & White Faceplate, Harness, Program Cable (Serial), Ethanol Content Sensor, Quick Start Installation Guide.

Please note that this is a universal fitment gauge, and installation may vary depending on the vehicle.

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Victor Reinz Oil Pan Gasket - E34 E36 E39 E46 E53 E60 E83 Z3 Z4 ...

T#:596313

Part#: 11131437237

In Stock at Vendor

$ 117.29

This product was last offered at the strikethrough price on
06-17-2026

$ 100.98 USD

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$ 100.98 USD

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DeatschWerks DW400 In-Tank Fuel Pump W/ Universal Set Up Kit ...

T#:5389791

Part#: 9-401-1001

In Stock at Vendor

$ 239.00 USD

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$ 239.00 USD

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The DW400 surpasses the 400LPH benchmark by delivering an industry leading in-tank flow of 415LPH at 40psi. Even more importantly, the DW400 delivers 31% more flow than its nearest competitor, the Walbro 450 "e85", at pressures between 70 and 100 psi. The DW400 has a 46mm diameter width and is compatible with pump gas, e85, and race fuels. The pump is also compatible with pulse width modulated pump drivers. The pump ships with a universal fitment kit which includes fuel hose, clamps, electrical harness, and filter. As with all DW products, the pump is warrantied for 3-yrs to the original purchaser.

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Rein Aluminum Power Steering Pump Pulley - E36, E46 , E39, E83, E53, ...

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T#:53750207

Part#: PKP0124

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$ 41.99 USD

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$ 41.99 USD

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Upgrade the Plastic Pulley in Your BMW with an All Aluminum Construction Replacement from Rein

Autel Autolink AL329

T#:2914116

Part#: AL329

Ships in 1 Business Day

$ 49.99 USD

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$ 49.99 USD

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OBDII Code Reader

Victor Reinz Valve Cover Gasket - Set - E39, E46, E53, Z3

For vehicles with production date up to 09/2002

T#:367346

Part#: 11129070990

Ships in 1 Business Day

$ 119.91 USD

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$ 119.91 USD

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From an original equipment supplier.

Race German Dual Vanos Rebuild - Seal Kit

T#:6843918

Part#: RGDVNSSK

Ships in 1 Business Day

$ 65.99 USD

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$ 65.99 USD

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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. BMW introduced VANOS in the early 90s, and it added variable valve timing to the straight six engines. Over time the VANOS unit wears out which can cause error codes or VANOS rattle. Race German has sourced quality replacement parts in an easy kit. Seal Kit: 2 Large PTFE Teflon Ring Seal 2 Small PTFE Teflon Ring Seal 2 Large FKM (Viton) O Ring Seal 2 Small FKM (Viton) O Ring Seal 2 Small FKM (Viton) O Rings for Blind Plugs 2 Copper Oil Pipe Washers

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Pressure Hose

For vehicles with production date from 03/2003

2X Entries Into Our F80 M3 Sweepstakes

T#:585279

Part#: 11727555681

Ships in 1 Business Day

$ 43.99 USD

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$ 43.99 USD

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Pressure hose for the secondary air pump system. This hose runs from the secondary air pump to the solenoid.

Victor Reinz Cylinder Head Gasket - E39, E46, E53, E60, E83, Z3, Z4 ...

T#:369954

Part#: 11127501304

In Stock at Vendor

$ 100.99

This product was last offered at the strikethrough price on
05-07-2026

$ 84.99 USD

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$ 84.99 USD

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Just the head gasket

Cylinder Leak Tester

T#:5498460

Part#: 75500

Ships in 1 Business Day

$ 48.26 USD

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$ 48.26 USD

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Quickly pinpoint or check for combustion leaks.

Elring Head Gasket - E39, E46, Z3

2X Entries Into Our F80 M3 Sweepstakes

T#:377048

Part#: 11127501305

In Stock

$ 104.62

This product was last offered at the strikethrough price on
08-13-2026

$ 93.99 USD

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$ 93.99 USD

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Just the head gasket 1.0mm

Mishimoto Ignition Coils, 6-Pack - BMW M54, N20, N52, N54, N55, N62, ...

T#:51075072

Part#: MMIG-BMW-0206

Ships in 3 Business Days

$ 184.99 USD

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The Mishimoto Ignition Coil is built to handle the intense heat cycles found in BMW’s modern turbocharged and naturally aspirated engines.

DeatschWerks Performance Fuel Injector Set - 1000cc - BMW M54 & S54 E...

For Custom Applications - Will require additional tuning or modifications.

T#:373968

Part#: 17U0110006

Ships in 3 Business Days

$ 639.00 USD

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$ 639.00 USD

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Upgrade your fuel system with confidence using the DeatschWerks 1000cc fuel injector kit.

Race German Cylinder Head Block Off Plates - M50/M52/S50/S52 ...

T#:6827891

Part#: RGCHBOM50

Ships in 2 Business Days

$ 71.99 USD

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Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. Race German's cylinder head block off plates are designed to fit perfectly in place on your M50/M52/S50/S52 engine. This eliminates the needs for using rags which could potentially still allow small debris into the ports or even get stuck and leave particles. These plates are designed to be 100% plug and play. Features: Exhaust Side Intake Side

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BMW E46 E39 E53 Z3 OEM Bosch Alternator - 120amp

For vehicles that came with a 120A Valeo alternator

T#:373543

Part#: 12317501599

Ships in 1 Business Day

$ 526.99

This product was last offered at the strikethrough price on
05-07-2026

$ 511.99 USD

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$ 511.99 USD

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If you car has died on the side of the road from a dead battery and you notice flickering or low powered head lights, it's likely your alternator failing. To be sure you are getting a high quality part with a long life-span, choose this OEM Bosch Alternator. This is an OEM replacement for BMW part # 12317501599.

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!

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THINKDIAG (include 1 Free Software)

T#:2302718

Part#: 301180767

Ships in 2 Business Days

$ 101.99

This product was last offered at the strikethrough price on
08-23-2026

$ 86.99 USD

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ThinkDiag is prefect to use with the unique THINKCAR app. Easy and convenient, anytime and anywhere.

Performance M5X Main Bearing Set

T#:26171649

Part#: 5150-HPMBS-M50

Ships in 3 Business Days

$ 299.99 USD

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$ 299.99 USD

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5150 High Performance Coated Main Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market. Tech Notes: As with all bearings, please check your tolerances and size before installation. Due to the specialized tools needed, professional install recommended.

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Iwis Timing Chain (Double Row) - E46 Z3 Z4

T#:596635

Part#: 11317830869

Ships in 1 Business Day

$ 204.99

This product was last offered at the strikethrough price on
08-13-2026

$ 121.99 USD

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$ 121.99 USD

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URO Crankcase Vent Hose (Cold Climate Version) - Connecting Hose from...

2X Entries Into Our F80 M3 Sweepstakes

T#:592961

Part#: 11617533399

Ships in 1 Business Day

$ 22.99 USD

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$ 22.99 USD

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Connecting Hose from Vent Valve

Conti Tech Rubber High-Pressure Hose

We Price Match - Give Us A Call or Chat!

T#:378830

Part#: N0202811

Ships in 3 Business Days

$ 34.84 USD

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7mm O.D X 2.5mm I.D.

Ignition Coil - most 1996-2002 E36 E46 E39 E38 X5 Z3 Z8

10X Entries Into Our F80 M3 Sweepstakes

T#:338001

Part#: 12131748018

In Stock

$ 63.99

This product was last offered at the strikethrough price on
05-07-2026

Starting at $ 57.99 USD

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Starting at $ 57.99 USD

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Ignition coils are key to the efficiency and performance of your BMW. With a faulty coil the spark plug is not burning the air/fuel mixture properly and that can lead to problems anywhere in the engine and exhaust (including catalytic converters and O2 sensors). Problems with one or more coils will cause a fault code but not always a check engine light. A misfire code may be related to an ignition coil but could be from other things as well. Sometimes a visual inspection of a coil and coil boot will give an indication of a failure. You can also move coils around to different cylinder banks to see if the misfire code follows a suspect coil. We suggest always having one or two coils on hand to keep as spares.

This is the OEM Bosch ignition coil used in M52, S52, M52TU, M54, M56, M62, M62TU, S62, and M73 engines (but may be split into specific model years, see below). BMW has made numerous changes to ignition coil part numbers in recent years but has approved this part number to work in the vehicles listed below. This part number 12131748018 replaces previous BMW part number 12139067830 and 12137599219.

Sold per coil. Connecting boot sold separately.

E46 ignition coil boot

We recommend replacing the rubber boot that connects the ignition coil to the spark plug. Sometimes a bad coil may just be a broken or damaged connector boot. This is especially true on cars with a leaking valve cover gasket where the oil has contamintated the rubber boot and the electrical parts inside. This boot can be replaced on its own without having to buy a whole new coil. This part is also useful if you purchased a coil that did not come with a new boot.

This item fits the following BMWs:
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1999-2000 E46 BMW 323i 323ci 328i 328ci
2001-2002 E46 BMW 325i 325ci 325xi 330i 330ci 330xi (including M56 SULEV engine)
1997-2003 E39 BMW 528i 540i M5
2001-2002 E39 BMW 525i 530i
1996-2001 E38 BMW 740i 740il 750il
1996-1999 E31 BMW 840ci 850ci
2000-2003 E53 BMW X5 4.4i X5 4.6is
2000-2002 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 Z3 M Roadster Z3 M Coupe (S52)
2000-2003 E52 BMW Z8

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OEM Ignition Service Kit - M52 S50/52

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T#:556710

Part#: M52S5XTISKT

In Stock

Sale - Save 10% $ 288.99

This product was last offered at the strikethrough price on
10-13-2026

$ 259.34 USD

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$ 288.99

This product was last offered at the strikethrough price on
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$ 259.34 USD

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Often an oversight in maintenance, ignition components are also susceptible to wear and tear. Spark Plugs can accumulate carbon, reducing the spark intensity and it's ability to properly ignite the air/fuel mixture, leading to misfires and generally declining performance. Other ignition components, such as coils, boots, wires, caps, and rotors, can also wear out over time due to factors like heat and contamination, preventing the current from reaching the spark plug.

To start over fresh with all new components, we now offer these Ignition Service Kits. Each kit comes with brand new OE quality components, replacing any potential fault points in your ignition system for peak performance!

See kit contents below for a complete list of included components.

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Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

2X Entries Into Our F80 M3 Sweepstakes

T#:362022

Part#: 11617504535

Ships in 1 Business Day

$ 20.99 USD

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$ 20.99 USD

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The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.

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M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm

T#:23218018

Part#: 7M1532H-.25

In Stock at Vendor

$ 376.99 USD

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$ 376.99 USD

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SPA Performance High Performance Camshaft Set - 264� / 248� - BMW...

T#:44563338

Part#: EVCVSB02

Ships in 9 Business Days

Sale - Save 5% $ 1,049.99

This product was last offered at the strikethrough price on
08-31-2026

$ 997.41 USD

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$ 1,049.99

This product was last offered at the strikethrough price on
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If you are building an M54 engine for the best possible performance, SPA Performance's 264° / 248° High Performance Camshaft Set may be just what you need! Performance camshafts allow for greater valve lift and increased lift duration, enabling your engine to breathe easier and faster, increasing the amount of fresh air entering the cylinders while allowing more of the exhaust gases to fully exit the cylinders.

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Victor Reinz Head Gasket Set - E46 Z3 E39

T#:596095

Part#: 11121436822

Ships in 1 Business Day

$ 471.12

This product was last offered at the strikethrough price on
08-26-2026

$ 406.07 USD

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$ 406.07 USD

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NGK - Ignition Coil - N20 N52 N54 N55 S55 S54 N62 S62 M54

We Price Match - Give Us A Call or Chat!

T#:35289800

Part#: 12138616153

In Stock

$ 59.99

This product was last offered at the strikethrough price on
05-07-2026

$ 50.99 USD

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$ 59.99

This product was last offered at the strikethrough price on
05-07-2026

$ 50.99 USD

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Engine Valve Cover Gasket

2X Entries Into Our F80 M3 Sweepstakes

T#:366985

Part#: 11127832034

Ships in 1 Business Day

$ 69.56

This product was last offered at the strikethrough price on
08-26-2026

$ 65.08 USD

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$ 65.08 USD

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Features the identical material composition, thickness, and profile required to maintain proper crankcase pressure and a tight seal.

Performance Main Bearing Set - S54

T#:26171616

Part#: 5150-HPMBS-S54

Ships in 3 Business Days

$ 343.99 USD

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$ 343.99 USD

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5150 High-Performance Coated Main Bearing Sets are made for the demands of high-performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.

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VF Engineering Supercharger Kit - 285hp & 231 Ft-Lbs Torque - E46 325...

For model years 2001-2003 (M54 engine MS43 ECU)

T#:371029

Part#: VFK29-01

Ships on Oct 29, 2026

$ 4,995.00 USD

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$ 4,995.00 USD

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BMW Supercharger Kits can be found all over the internet, but who should you choose to go with? If you want to go to with a forced induction system and want reliability and a driving feel that isn't adversely affected, the VF Engineering Supercharger Kit is one of the best options on the market. Included with every supercharger system is their custom proprietary VF.GIAC software that safely realigns all fueling and engine management parameters for optimal performance and long term drivability. Unlike many other options that are available, the VF Supercharger kit is designed to work with BMW's OEM parameters to minimize the likelihood of DTCs (Diagnostic Trouble Codes) and Check Engine Lights.

This 6.0 psi VF Engineering supercharger system is designed for simple bolt-on installation, remains fully OBD2 compliant, and can be installed in a single day, ready to run in approximately 8 hours. This kit is also non-intrusive and is fully reversible.

The 6.0 psi manifold at peak boost was tested to be the optimal induction charge limit without aftercooling and offers max tourqe gains!

Upon ordering, you will be required to send your VIN number, ECU, and transmission type (auto or manual) to VF Engineering within 1 year of purchase for your software flash of the ECU.

This product is supported by a 1 year unlimited mileage warranty on the product only.

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Supertech Black Nitrided Exhaust Valve - Set Of 12 - BMW M50/M52/S50/...

T#:8549426

Part#: BMEVN-1030-12

In Stock at Vendor

$ 358.99 USD

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$ 358.99 USD

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Upgraded valves designed for high horsepower applications! Our valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs. With every valve design, we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. It’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere! Optimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application. In 2006 we introduced our stem Superfinishing as a standard addition to all of our valves at no additional cost. When our Superfinish is combined with our Black Nitrided valve, it reduces the surface roughness to 1/3 of our chrome coated valve. The end result… unsurpassed performance and durability. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures. Black Nitride Coating: This is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life. Please see below for more benefits of our Black Nitride valves. Black Nitride Coating Head Diam: 30.50mm Material: Black Nitride Groove Type: Triple Groove Length: 105.65mm Stem Diam: 5.95mm Size: Std

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Mechanical A/C Belt Tensioner Assembly

For vehicles with production date up to 09/2002

2X Entries Into Our F80 M3 Sweepstakes

T#:361998

Part#: 11281433571

Ships in 1 Business Day

$ 53.99 USD

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$ 53.99 USD

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Complete tensioner assembly with roller

Valve Cover

2X Entries Into Our F80 M3 Sweepstakes

T#:599655

Part#: 11127512839

Ships in 4 Business Days

$ 399.99 USD

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$ 399.99 USD

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Victor Reinz Head Gasket - +.3mm - E39, E46, Z3

T#:377049

Part#: 11127501305

Ships in 1 Business Day

$ 120.99

This product was last offered at the strikethrough price on
05-07-2026

$ 101.99 USD

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$ 101.99 USD

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Just the head gasket 1.0mm

Valve Cover Gasket

T#:593903

Part#: 11127521010

In Stock at Vendor

$ 35.35 USD

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$ 35.35 USD

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Replacement Spark Plug Sealing Gasket from Victor Reinz

Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

2X Entries Into Our F80 M3 Sweepstakes

T#:378292

Part#: 11617504535

Ships in 2 Business Days

$ 22.99 USD

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$ 22.99 USD

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Runs from the top of the oil separator up to intake manifold.

URO Oil Pan

2X Entries Into Our F80 M3 Sweepstakes

T#:640378

Part#: 11131432703

Ships in 1 Business Day

$ 357.99 USD

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$ 357.99 USD

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Replace your cracked or damaged oil pan with this URO part that fits models with the M52tu, M54 and M56 engines. The BMW aluminum oil pans can be damaged by road debris or even by putting the drain pan bolt in incorrectly.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
2003-2005 E85 BMW Z4 2.5i Z4 3.0i -M54

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IP High Performance Ignition Coil Set - M52/M54/S52

T#:1637695

Part#: IP-A122602

Ships in 5 Business Days

$ 895.00 USD

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$ 895.00 USD

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Ignition Projects is a Southern California based company that specializes in innovative ignitions products. Their mission is to develop stronger ignition systems in order to optimize engine performance and improve emmissions/consumption. All of their products are developed and manufactured here in Tustin, CA, right here in the US!

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BMW Engine Parts for BMW 3 Series E46 (1999-2005)

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