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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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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-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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URO Ignition Coil - E31, E36, E38, E39, E46, E52, E53, Z3

For vehicles with production date up to 09/2002

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T#:361999

Part#: 12137599219

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Ignition coil for a quality OE replacement

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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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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Glyco Connecting Rod Bearing Set

T#:375825

Part#: 11241284849

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Standard bore - 45mm

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

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T#:383333

Part#: 003779ECS06KT

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$ 67.19 USD

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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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URO Crankshaft Seal Kit for E39 and E46

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T#:38094318

Part#: 11141438274

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$ 122.02 USD

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Whether addressing a leaking crankshaft seal or performing routine engine maintenance, the URO Crankshaft Seal delivers exceptional sealing performance

Oxygen Sensor - Priced Each

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T#:35863157

Part#: 11781742050

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This direct fit oxygen sensor plugs directly into your factory connector. It is the pre-cat sensor. No cutting or splicing required. A new oxygen sensor can improve driveability and lengthen engine life. It fits BMW E46 E39 E38 X3 X5 Z3 Z4. Bosch # 13 477.

This item fits the following BMWs:
1999-3/2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330xi 330ci
1999-2003 E39 BMW 525i 528i 530i M5
1997-2003 E39 BMW 540i
1995-2001 E38 BMW 750il
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
2000-2003 E53 BMW X5 4.4i 4.6is
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
2000-2003 E52 BMW Z8

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King Performance BMW S54 Main Bearings - Std.

T#:25706115

Part#: MB7039AM

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13% off MSRP $ 207.00

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$ 179.99 USD

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$ 207.00

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Hydraulic Alternator Belt Tensioner Assembly

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T#:396757

Part#: 11287838797

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$ 53.99 USD

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Camshaft Position Sensor - S54, S62

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T#:44461483

Part#: 13627796054

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Provides dependable performance, reliability, and value in one essential component.

URO Aluminum Water Pump Pulley - E39, E46, E53, E60, E83, Z3, Z4 ...

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T#:340641

Part#: 11511436590

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$ 45.99 USD

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An upgrade over commonly failing plastic pulley

BMW N52 N44 VANOS Oil Feed Line

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T#:361997

Part#: 11361705532

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$ 35.01 USD

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BMW N52 N44 VANOS Oil Feed Line is essential for ensuring reliable oil supply to the VANOS cam unit in your BMW. Manufactured by URO Parts, a leading name in the aftermarket automotive industry, this oil feed line is designed to meet the highest standards of quality and performance. Turner Motorsport offers this direct replacement component, crafted to ISO 9000 certification standards, ensuring long-lasting durability and seamless integration with your BMW's engine. With this high-quality oil feed line, you can maintain optimal engine performance and avoid potential issues related to insufficient oil flow.

Ensures reliable oil supply to the VANOS cam unit
Manufactured by URO Parts, a trusted name in the industry
Direct replacement for seamless installation
Meets ISO 9000 certification standards for quality
Supports optimal engine performance and longevity

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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 11, 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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King Performance BMW M50 Rod Bearings - Std.

T#:25706122

Part#: CR6640SM

In Stock

13% off MSRP $ 207.99

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$ 179.99 USD

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$ 207.99

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Fuel Tank Breather Valve

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T#:591935

Part#: 13901433603

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Valve between charcoal canister and throttle body

URO Oil Filler Cap

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T#:6795781

Part#: 11127832157

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Replace your damaged or missing oil cap. Great quality replacement that is manufactured to original equipment dimensions and guaranteed to fit. Stop leaking from damaged oil cap or seal.

URO Parts Engine Crankshaft Position Center - 12141709616 - E36, E46,...

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T#:52621857

Part#: 12141709616

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$ 25.99 USD

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The URO Parts 020655 Crankshaft Position Sensor offers a cost-effective alternative to expensive OE components without sacrificing quality or longevity.

Water Pump Pulley

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T#:638798

Part#: 11517840403

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$ 57.99 USD

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Oil Filter Housing Cap

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T#:12151731

Part#: 11421744000

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$ 28.99 USD

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Over time has the cap for your oil filter housing become harder to remove? Using the wrong tool can round the nut cast into the top of the cap, making removal harder each time. This oil filter housing fits cars with the M52, M54, or M56 engines. If you are looking for a more durable, easier-to-remove replacement, Turner Motorsport trusts ECS Tuning's Billet Aluminum Oil Filter Housing Caps

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

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T#:394202

Part#: 012016ECS03A

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$ 35.09 USD

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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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URO Multi Purpose Relay - 61368384505

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T#:37858387

Part#: 61368384505

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URO Multi Purpose Relay - 61368384505

URO Multi Purpose Relay - 61368384505 is the perfect replacement for a failed relay, restoring the proper electrical circuit performance in BMW vehicles. Designed as a direct-fit OE reproduction, this relay ensures a seamless plug-and-play installation, ensuring optimal function and reliability.

Replaces failed relays to restore proper electrical circuit operation
Direct-fit OE reproduction design for easy installation and compatibility
Manufactured using high-quality materials to resist heat, cold, and condensation
Modern electronics protect against electrical arcing and burnout for long-term durability
Factory tested to ensure proper performance and functionality
Backed by a 24-month unlimited mileage warranty

The URO Multi Purpose Relay is an essential component for maintaining the smooth electrical performance of BMW vehicles, ensuring long-lasting reliability and performance.

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ECS Tuning Baffled Oil Catch Can - 8oz

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T#:13496655

Part#: 003779ECS05-02

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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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$ 65.94 USD

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Mechanical Alternator Belt Tensioner Assembly

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T#:371980

Part#: 11281427252

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Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller.

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

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T#:394203

Part#: 012017ECS03A

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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.

Leak Detection Pump

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T#:15445597

Part#: 16136756440

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$ 153.99 USD

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Leak detection pump tests fuel containment system for vapor leaks to atmosphere. Failed pump often turns on check engine light.

BMW M54 Billet Aluminum Oil Dipstick - Black

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T#:384357

Part#: 009424ECS01-02

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$ 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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Cap Nut M6 - 11121738608 - E34,E36,E39,E46,E53,E83,E85

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T#:24145945

Part#: 11121738608

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$ 20.99 USD

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Cap Nut - M6
This item fits the following BMW Chassis:
E36 M3,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M50,M52,M54,M56,S50,S52

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URO Engine Timing Chain Tensioner - BMW M50 M52 M54 S50 S52

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T#:43750203

Part#: 11311738700

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Ensure your timing chain is properly tensioned with a brand new tensioner from URO

Mechanical A/C Belt Tensioner Assembly

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T#:384308

Part#: 11287512758

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$ 43.99 USD

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Complete tensioner assembly with roller

Belt Tensioner Conversion Kit

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T#:600039

Part#: 11287838797K

Back Ordered

$ 82.99 USD

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Update from a mechanical tensioner to a hydraulic style tensioner

Suction Pump

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T#:377591

Part#: 11617545382

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$ 59.62

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A common source for vacuum leaks

ECS Tuning Baffled Oil Catch Can - 6oz

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For use with custom plumbing and ECS universal mounting bracket kit

T#:17140141

Part#: 003779ECS05-01

In Stock

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$ 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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Extended Spark Plug Socket

T#:391150

Part#: SUU884506

In Stock

9% off MSRP $ 31.99

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$ 28.99 USD

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$ 31.99

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3/8" drive socket with 5/8" opening for most spark plugs

Oil Level Sensor

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T#:590151

Part#: 12617508003

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$ 63.99 USD

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Engine Mount - Right

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T#:397840

Part#: 11811141736

Ships in 1 Business Day

$ 39.99 USD

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$ 39.99 USD

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Located on right side of engine under engine support - Drivers Side

URO Oil Pan

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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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Crankcase Pressure Regulator Valve

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T#:373032

Part#: 11617501566

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$ 25.99 USD

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$ 25.99 USD

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Commonly referred to as the "oil separator" or PCV

King BMW S54B32 3.2L Coated Performance Rod Bearing Set

T#:16707423

Part#: CR6877XP

In Stock at Vendor

3% off MSRP $ 309.99

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

$ 300.99 USD

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3% off MSRP

$ 309.99

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

$ 300.99 USD

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King's Racing Line of Performance Engine Bearings are for enthusiasts looking for an upgraded, coated connecting rod bearing to replace their OE bearings with. Constructed of a Silver base, these bearings are coated in a polymer-based coating to create a thermal barrier between your connecting rods and crankshaft. Complete Set of Bearing Shells

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Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

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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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Mechanical A/C Belt Tensioner Assembly

For vehicles with production date up to 09/2002

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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

Pressure Hose

For vehicles with production date from 03/2003

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T#:585279

Part#: 11727555681

Back Ordered

$ 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.

URO Engine Mount - Left -BMW E46

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T#:397841

Part#: 1181141735

Ships in 1 Business Day

$ 58.99 USD

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$ 58.99 USD

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URO Engine Mount - Left - BMW E46

The URO Engine Mount - Left - BMW E46 is a high-quality replacement designed to restore engine stability and reduce vibrations. Over time, worn or failing engine mounts can lead to excessive engine movement, rough idling, and increased drivetrain noise. This durable left-side engine mount is engineered to meet OE specifications, ensuring a precise fit and optimal performance. Replacing a worn-out mount enhances driving comfort, minimizes drivetrain strain, and extends the life of surrounding components in your BMW E46.

Direct replacement for BMW E46 left-side engine mount
Reduces engine vibrations and enhances driving comfort
Helps maintain proper engine alignment and stability
OE-style fitment ensures a hassle-free installation
Durable construction for long-lasting performance
Prevents excessive drivetrain movement and component wear

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Replacement Aluminum Valve Cover

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T#:31324202

Part#: 11127838754

Ships in 1 Business Day

$ 569.99 USD

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$ 569.99 USD

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Issues with a valve cover such as cracks and warping can result in a major vacuum leak and result in very poor performance. This Original BMW replacement from ECS Tuning will fit and function just like the stock part and will have your BMW running great again in no time. Don't forget to add a new gasket and spark plug seals, available elsewhere on the site.

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King Performance BMW S54 Main Bearings - .25 Oversize

T#:25706120

Part#: MB7039AM0.25

Ships in 6 Business Days

13% off MSRP $ 207.00

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

$ 179.99 USD

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13% off MSRP

$ 207.00

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

$ 179.99 USD

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Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!

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

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URO Multi Purpose Relay - 61368384505

Enhance Your Engine Bay with ECS Tuning Billet Aluminum Oil Dipstick

URO Engine Mount - Left - BMW E46

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