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

ECS Tuning Magnetic Oil Drain Plug - M12x1.5

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T#:361057

Part#: 002201ECS01A

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$ 23.39 USD

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Turn your oil drain plug into an effective metal particle filter! This drain plug fits virtually all BMWs, and has a SUPER strong magnet built into it's tip, trapping iron and steel contaminants and safely removing them from the circulation.

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Oil Level Sensor - E46 E39 E60 E38 X3 X5 Z3 Z4 Z8

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T#:395203

Part#: 12617508003

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$ 45.49 USD

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This is the oil level sensor / sender for BMW E46 E39 E60 E38 X3 X5 Z3 Z4 Z8.When this part fails it will illuminate a check light on the dash which indicates it needs to be replaced. Includes o-ring. This item fits the following BMWs: 1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330xi M3 2008+ E90 BMW 335d 1999-2003 E39 BMW 528i 525i 530i M5 1998-2003 E39 BMW 540i 2004-2005 E60 BMW 525i 530i 1998-2001 E38 BMW 740i 740il 750il 2004-2006 E85 BMW X3 2.5i X3 3.0i 2000-2006 E53 BMW X5 3.0i 2000-2003 E53 BMW X5 4.4i X5 4.6is 1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 2001-2002 Z3 BMW Z3 M Roadster Z3 M Coupe 2003-2006 Z4 BMW Z4 2.5i Z4 3.0i 2000-2003 E52 BMW Z8

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Aluminum Valve Cover - M52 M54

For vehicles with production date up to 09/2002

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T#:19329477

Part#: 11121432928M

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$ 242.19 USD

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Tired of dealing with plastic valve covers that crank and split, causing frustrating oil leaks? This upgraded aluminum valve cover is the perfect solution!

-10AN ORB X 3/4" Hose Barb Fitting Assembly

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T#:584114

Part#: 003779ECS10

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Elevate your custom installation with the ECS -10AN O-Ring Boss fitting, a crucial component that connects your ECS Tuning Catch Can to a 3/4" ID hose. This fitting simplifies your plumbing setup, ensuring a seamless solution.

Featuring a pre-installed Viton O-ring, this fitting is engineered for excellence, providing a leak-proof seal that resists the effects of oil and fuel exposure, guaranteeing long-term durability.

The 3/4" nipple is thoughtfully designed with barbs to secure hose position effectively, minimizing the risk of hose disconnection. Keep in mind that clamps and hoses are available for separate purchase. These fittings are sold individually, with most installations requiring a pair of them.

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VR Oil Pan Gasket - E36 E46 E39 X3 X5 Z3 Z4

T#:1714

Part#: 11131437237

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Oil Pan Gasket for all cars with M50, M52, M54, S50, S52 and S54 engines.
If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

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 M3
1991-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2004-2005 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1996-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
2006-2008 E85 BMW Z4 M Roadster M Coupe

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ECS 75A Durometer Engine Mount - Priced Each - E36 E46 E9x Z3 Z4 ...

Only for left side

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T#:1856016

Part#: 11812283798

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With exposure to heat and elements, your motor mounts will break down with increasing age. A secure mount is vital to reduce drivetrain vibration and transfer as much horsepower to the wheels as possible. These mounts are an upgrade for non-M E36/E46 owners seeking a stiffer mount without sacrificing comfort and ride quality.

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ECS Exact-Fit Stainless Steel Vanos Line - M52/M54/S52

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T#:1105915

Part#: 000932LA01-01

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$ 74.79 USD

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We have seen so many M52/M54/S52 Vanos line failures at the track that we have to offer you a solution. The factory line is prone to failure due to the OEM hard-line - this stainless steel line alleviates the issues imposed by the factory design and enables you to worry less about your Vanos system. We trust ECS Tuning's Exact-Fit Stainless Steel lines for several different applications, and their M52/M54/S52 Vanos line is no exception.

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Bremmen "Cold Climate" Crankcase Pressure Regulator Valve Kit - BMW M...

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T#:2528129

Part#: 11617533400S1

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$ 79.09 USD

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BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. 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. Replace all the components of the oil separator system together to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable. Don't forget to order a valve cover gasket, throttle body gasket, and a new intake boot to make your separator change easier and more comprehensive.

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Bremmen Crankshaft Position Sensor - E36 E46 E39 E60 X3 X5 Z3 Z4 ...

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T#:640146

Part#: 12141709616

Ships on Jan 11, 2027

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$ 28.69 USD

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This is the crank shaft position sensor. It provides information for the ECU. A faulty sensor can cause issues with timing adjustment and limit performance and vehicle operation. Replace your sensor with a high-quality Bremmen sensor to restore peak performance.

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ECS Tuning Performance Kevlar Reinforced Accessory Belt - Water Pump ...

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T#:20979672

Part#: 6PK1460

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Replaces BMW # 11287837898 ECS Tuning Performance Kevlar reinforced belts give you that extra piece of mind! Kevlar reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM style belts. ECS Tuning Performance Kevlar reinforced belts have been put through a series of multiple tests such. Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.

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Turner Universal Baffled Oil Catch Can Mounting Bracket Kit - BMW & M...

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T#:383333

Part#: 003779ECS06KT

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If you don't wish to fabricate intricate brackets to mount your ECS Baffled Oil Catch Can we have the solution. ECS's three-piece bracket kit includes two options for securing the catch can. Choose from either a flat parallel mounting plate or a bent 90° mounting plate to give you 360° rotation for an infinitely adjustable mounting location.

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Timing Chain - Lower

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T#:5470993

Part#: 11311432176

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The timing chain in your vehicle keeps the pistons and cylinders aligned and running in sync.

Victor Reinz Valve Cover Bolt Seal - Set of 15 - E34, E36, E38, E39, ...

12 per valve cover 15 per valve cover

T#:580306

Part#: B32352

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$ 33.99 USD

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To be replaced when dry, cracked, or leaking.

Rein Oil Pan Gasket - 11131437237 - E36, E46, E34, E39, E60, E61, E53...

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T#:370783

Part#: 11131437237

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$ 28.99 USD

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Metal / Rubber gasket

Camshaft Position Sensor - E46 M3, Z4M, Z3M S54

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T#:36913379

Part#: 12147539171

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The camshaft position sensor is essential for assisting the engine DME by monitoring the camshaft's position. The data from this sensor is key to optimizing ignition timing and ensuring smooth engine performance.

Often referred to as the CMP sensor, this component is crucial for the overall functionality of the powertrain. A failing camshaft position sensor can cause a range of issues, including engine stumbling, hesitation during acceleration, power loss, and even starting difficulties or complete failure to start.

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Fuel Tank Breather Valve - 13907831770

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T#:37655984

Part#: 13907831770

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Over time, valves can fail, often getting stuck in one position and causing the engine to run poorly. This Fuel Tank Breather Valve is a simple replacement that resolves rough idling and helps clear engine codes, restoring smooth performance.

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OEM Head Bolt Set - M50 M52 S50 S52

T#:1551

Part#: 11121721938

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$ 20.94 USD

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Head Bolt Set for all M50 engines with a steel engine block.

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:
992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1991-1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1998-2000 Z3 BMW M Roadster M Roadster

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Mechanical A/C Belt Tensioner Assembly

For vehicles with production date up to 09/2002

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T#:26305100

Part#: 11281433571

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Victor Reinz Crankshaft Seal (90 X 110 X 12)

New style PTFE seal (without tension spring). ¦ Rear

T#:596059

Part#: 11142249533

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$ 47.42 USD

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The engine crankcase in you car is filled with oil to keep everything lubricated, and to keep the oil inside of the engine, seals are used anywhere there is a seam in the engine, or any place a shaft protrudes from the engine. One such seal is the front main crankshaft seal. This seal is located around the the crankshaft at the front of the engine, and keeps oil from leaking out around the crankshaft. Unfortunately, over time seals will become brittle, crack and begin to leak due to their exposure to heat and oil.

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Victor Reinz Fuel Pump Gasket - E46

T#:374233

Part#: 16111184084

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$ 32.70

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Seal for in-tank fuel pump and in-tank sender unit

Victor Reinz Valve Cover Gasket - E46, Z3, Z4

T#:367409

Part#: 11127832034

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08-24-2026

$ 41.99 USD

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Victor / Reinz brand

Leak Detection Pump - Priced Each

For vehicles with production date from 09/2001

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T#:35121140

Part#: 16137193479

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$ 50.24 USD

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Crankcase Vent Hose

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T#:30629661

Part#: 11157831311

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ECS Upgraded Viton VANOS Seal Plate Kit - E46 M3 Z3M Z4M S54 ...

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T#:393763

Part#: 012018ECS02

Ships on Jan 12, 2027

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Long lasting alternative for sealing plate 11367831906. This sealing flange is located between the VAN0S adjusting unit and the VAN0S solenoid on the S54 engine. It can be the source of oil leaks and should be replaced when the the VAN0S solenoid is.

This item fits the following BMWs:
2001-2006 E46 BMW M3
2001-2002 Z3 BMW M Roadster M Coupe (S54)
2006-2008 E85 BMW Z4 M Roadster M Coupe

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Atlantic Automotive Engineering Power Steering Pully - 32427830838 - ...

T#:45757458

Part#: 32427830838

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A new power steering pulley is key to keeping your steering system smooth and reliable. Over time, pulleys can warp, crack, or wear, causing belt slippage, whining noises, or even pump failure. Installing a fresh pulley restores correct belt alignment, eliminates noise, and maintains consistent hydraulic pressure for precise, effortless steering. Why choose a new pulley? Smooth operation – Ensures proper belt tension for dependable pump performance. Noise reduction – Eliminates squealing, whining, or vibration from worn pulleys. System protection – Protects the pump and steering components from damage. Install a new pulley and keep your steering system running quietly, efficiently, and confidently.

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Rein Rear Crankshaft Seal - 11142249533 - E30, E36, E46, E34, E39, E6...

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T#:361056

Part#: 11142249533

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$ 22.99 USD

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Rein Rear Crankshaft Seal for many BMW models is an OE-equivalent replacement for the rear main oil seal. When the seal fails, oil drips onto the driveway and can reach the clutch surface. Replacing it during a clutch job is the practical time to do it, since the transmission is already out.

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ECS Performance Kevlar Reinforced Accessory Belt - E46 E39 E53 E63 E8...

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T#:639025

Part#: 6PK1538

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ECS Tuning Performance Kevlar-reinforced belts give you that extra peace of mind! Kevlar reinforced belts experience less elongation over time minimizing the amount of belt adjustment needed as well as offering a higher shock and impact resistance compared to OEM style belts. ECS Tuning Performance Kevlar-reinforced belts have been put through a series of multiple tests: Tensile strength Elongation Hardness Temperature and oil resistance per standard JASO E 109-94 Flex testing per SAE J2432.

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Mechanical A/C Belt Tensioner Assembly

For vehicles with production date from 09/2002

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T#:32350880

Part#: 11287512758

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Cylinder Head Gasket

T#:31291049

Part#: 11121726620

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$ 83.66

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$ 71.32 USD

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1/2-inch Drive 18mm VANOS Flush-Cut Socket

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T#:394202

Part#: 012016ECS03A

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1/2-inch Drive 17mm VANOS Flush-Cut Socket

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T#:394201

Part#: 012016ECS02A

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Rein M52 M54 Water Pump Pulley - 11511436590 - E46, E39, E60, E83, E5...

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T#:591711

Part#: 11511436590

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10-22-2026

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A common failing piece due to the plastic design.

M52TU/M54 Aluminum Block Head Bolt Set

T#:1560

Part#: 11121740065

Ships in 2 Business Days

$ 78.99

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08-13-2026

$ 67.12 USD

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Head Bolt set for M52TU and M54 engines with aluminum block.

If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

This item fits the following BMWs:
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 525xi 530i 530xi
2004-2005 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
2003-2005 E85 BMW Z4 2.5i Z4 3.0i

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407 Piece O-Ring Assortment

T#:1809147

Part#: W5202

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$ 21.99 USD

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Nitrile Butadiene Rubber

Rein VANOS Oil Feed Line - 11361705532 - E36, E46, E39, E60, E83, E53...

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T#:4471

Part#: 11361705532

Ships on Dec 1, 2026

$ 61.99

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$ 53.99 USD

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This oil pipe hose runs from the VAN0S adjusting unit to the oil filter housing. At some point the rubber line shrinks or cracks and oil can weep out of the swedge fittings. The fittings at the banjo bolts can also leak so replacing the seals for each banjo fitting is strongly recommended.

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 323is 323ic 328i 328is 328ic M3 3.2
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
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i

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Bremmen Camshaft Position Sensor - E46 E39 E60 E83 Z3 Z4

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T#:640145

Part#: 12147518628

Ships on Dec 16, 2026

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11-07-2026

$ 26.39 USD

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A bad cam sensor can cause a variety of problems from hard starting to stalling at low speeds. Cam sensor replacement has been known to cure many drivability issues

ECS Tuning Baffled Oil Catch Can - 8oz

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T#:13496655

Part#: 003779ECS05-02

In Stock

Sale - Save 10% $ 238.99

This product was last offered at the strikethrough price on
11-07-2026

$ 215.09 USD

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This product was last offered at the strikethrough price on
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$ 215.09 USD

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Upgrade Your BMW with ECS Baffled Oil Catch Can

Modern emission regulations require a closed PCV/Breather system for cleaner operation. However, inefficient oil particle capture can lead to excessive oil vapor ingestion, causing carbon buildup, reduced performance, and fuel economy. ECS Tuning's updated ECS Baffled Oil Catch Can, now with an easy-to-empty 1/4" drain fitting, is engineered to collect toxic blow-by gases, minimize carbon deposits, and reduce oil contamination within engine oil. Recirculating oil vapor ensures emissions compliance without venting to the atmosphere.

Key Features:
Highly Efficient Oil Separator: Strategically positioned 4 chamber baffle system maximizes oil/air separation and minimizes oil droplets in the intake tract.
Integrated Dipstick: Knurled and black anodized oil dipstick simplifies oil volume inspection.
Reservoir: Available in 6oz or 8oz capacity with a 1/4" NPT drain plug fitting.
Serviceable: Easily removable baffle plates and drain plug for cleaning.
Easy/Customizable Installation: Combine with the ECS Universal Bracket Kit for simplified installation and adjustable mounting locations.
Leak-Free Fittings: Machined -10AN ORB (O-Ring Boss) fittings available for secure connections (fittings sold separately).

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1/2-inch Drive VANOS Flush-Cut 17mm & 18mm Sockets

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T#:398953

Part#: 012016ECS0KTKT

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11-07-2026

$ 65.94 USD

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Head Bolt Set - S54 - E46 M3, MZ3 S54, Z4 M

T#:25748

Part#: 11127831862

In Stock at Vendor

$ 51.98 USD

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$ 51.98 USD

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Head Bolt Set for the S54 engine.

If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

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

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Rein M52 M54 Upper Oil Separator Vent Tube (CCV) - 11617504535 - E46,...

For vehicles with production date from 01/2000

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T#:378292

Part#: 11617504535

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$ 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.

3/8" Dr. 5/8" Extended Spark Plug Socket

T#:2242226

Part#: W80533

Ships in 2 Business Days

$ 20.25 USD

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Extended socket length reaches confined areas.

Piston Ring Comp 3-1/2" to 7"

T#:2242223

Part#: W80573

Ships in 2 Business Days

$ 22.99 USD

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$ 22.99 USD

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Use to install pistons on most passenger cars and truck engines

Anti-Rattle Spacer Ring - M50 M52 2.5L & 2.8L S50 S52 3.0L & 3.2L ...

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T#:394203

Part#: 012017ECS03A

In Stock

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11-07-2026

$ 41.39 USD

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Resolve the notorious rattle in early VANOS systems with precision-machined spacer rings designed to counter wear issues and ensure extended, reliable performance.

BMW M54 Billet Aluminum Oil Dipstick - Black

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T#:384357

Part#: 009424ECS01-02

In Stock

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11-07-2026

$ 70.69 USD

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Enhance Your Engine Bay with ECS Tuning Billet Aluminum Oil Dipstick

Sick of the glaring red plastic oil dipstick in your engine bay? Looking for a subtle yet striking upgrade to enhance your vehicle's aesthetics? ECS Tuning proudly introduces the Billet Aluminum Oil Dipstick. This dipstick adheres to OE specifications, features an easy-to-read fill line, and comes in three distinct finishes: black, polished, or clear anodized.

Here's why the ECS Tuning Billet Aluminum Oil Dipstick stands out as the perfect choice for automotive enthusiasts:

Engineered to OE specifications for an exact fit and optimal performance.
Available in three stylish finishes to match your personal taste: black, polished, or clear anodized.
Not only elevates the visual appeal of your engine bay but also enhances performance.
Exceptional durability and ease of insertion set it apart from the factory ribbon dipstick.
Say farewell to the frustration of reinstalling your dipstick – it's a breeze with this upgrade.

Elevate your engine bay aesthetics and enjoy improved functionality with the ECS Tuning Billet Aluminum Oil Dipstick, a fusion of style and substance.

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Hydraulic Alternator Belt Tensioner Assembly

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T#:55030822

Part#: 11287838797

In Stock

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11-07-2026

$ 47.99 USD

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ECS Tuning Baffled Oil Catch Can - 6oz

10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
For use with custom plumbing and ECS universal mounting bracket kit

T#:17140141

Part#: 003779ECS05-01

In Stock

Sale - Save 25% $ 238.99

This product was last offered at the strikethrough price on
11-07-2026

$ 179.24 USD

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Meet modern emission regulations while preserving engine performance with the ECS Baffled Oil Catch Can. Designed for BMW and MINI vehicles, this system efficiently captures blow-by gases, preventing excessive oil vapor ingestion into the intake tract. The innovative 4-chamber baffle system maximizes oil/air separation, reducing carbon build-up and pollutants. Featuring a 1/4" drain fitting for easy maintenance, this catch can minimizes oil deposits, ensuring cleaner emissions and enhanced engine performance.

Key Benefits:

Efficient 4-chamber baffle system for maximum oil/air separation
Recirculated design reduces oil ingestion, promoting cleaner emissions
Durable 6061-T6 billet machined body with anodized black finish for longevity
Integrated dipstick and sealed reservoir for easy oil inspection and maintenance
Serviceable design with removable baffle plates for cleaning
Easy installation with customizable mounting options and leak-free fittings
Engineered and manufactured in the USA for superior performance and durability

Note: Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

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