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

Piston Ring Set - Priced Each - M50 M52 Engines

T#:598529

Part#: 11251437077

In Stock

$ 38.99

This product was last offered at the strikethrough price on
10-27-2026

$ 34.99 USD

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Ensure optimal engine performance in your BMW M50 M52 Engines with Turner Motorsport's Mahle Piston Ring Set. Over time, worn piston rings can lead to power loss, increased oil consumption, and white smoke from the tailpipe. When rebuilding your BMW's engine, replacing the piston rings is essential for restoring power and efficiency. Each set is priced individually, with six sets required for complete engine overhaul.

Key Benefits:

Restores engine power and efficiency
Reduces oil consumption
Prevents white smoke from the tailpipe
Compatible with M50 M52 Engines

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OEM Hengst Fuel Filter - E46 M3, Z3 S54

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T#:582298

Part#: 13327831089

In Stock

$ 29.99

This product was last offered at the strikethrough price on
11-12-2026

$ 29.09 USD

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A clogged fuel filter makes it difficult for your engine to get all the fueling it needs. Filters commonly clog from a deteriorating gas tank, bad fuel, or other debris in the fuel system. A fresh fuel filter addresses many fuel related problems including surging, stalling, cold start issues, and poor performance under a variety of conditions.

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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

In Stock

$ 36.99

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

$ 33.99 USD

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$ 36.99

This product was last offered at the strikethrough price on
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$ 33.99 USD

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Ignition coil for a quality OE replacement

Spark Plug Gapper Tool BMS Billet

T#:26404907

Part#: 12MMSPG

In Stock

$ 35.00 USD

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$ 35.00 USD

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Spark Plug Gapper Tool BMS Billet is essential for accurately adjusting the gap of spark plugs. This precision tool ensures that each plug is set to the exact specifications required for optimal engine performance. Made in the USA, it features a 12mm plug thread size, making it suitable for a wide range of applications.

Precision Adjustment: Allows for accurate gap adjustments to ensure optimal spark performance and engine efficiency.
Speed and Efficiency: Streamlines the process of gapping plugs while maintaining high precision, saving time and effort.
High-Quality Construction: Crafted from billet materials for durability and reliability, ensuring long-term use.
Lifetime Replacement Program: Comes with a lifetime replacement guarantee, reflecting confidence in the tool's quality and performance.

Upgrade your spark plug maintenance with the Spark Plug Gapper Tool BMS Billet for a reliable and precise solution.

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Hengst Fuel Filter with Pressure Regulator - E46 Z3

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T#:596584

Part#: 13327512019

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$ 75.99 USD

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$ 75.99 USD

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URO Crankshaft Seal Kit for E39 and E46

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T#:38094318

Part#: 11141438274

Ships in 2 Business Days

$ 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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$ 49.99 USD

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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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Replacement Fuel Filter Element - 6 Micron | Precision Raceworks ...

T#:38161701

Part#: 101-0257

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$ 49.99 USD

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Replacement Fuel Filter Element - 6 Micron | Precision Raceworks is designed for BMW and high-performance fuel systems, ensuring optimal fuel flow and superior filtration. This high-efficiency 6-micron filter element effectively captures contaminants, preventing debris from reaching fuel injectors and maintaining peak engine performance.

Regular maintenance of your fuel filter is essential for maximizing fuel system efficiency. Whether for racing or daily driving, this replacement element keeps your fuel system running at its best.

6-micron filtration – Removes fine particles and contaminants to protect engine components
High-performance compatibility – Designed for use with Precision Raceworks inline fuel filters
Optimized fuel flow – Maintains consistent fuel delivery for peak performance
Durable construction – Engineered for long-lasting reliability in high-demand applications
Easy replacement – Simple installation for routine maintenance
Ideal for both street and track use – Ensures clean fuel supply for all driving conditions

Fuel Filter Replacement Guidelines:

Racing applications: Inspect at least twice per season and replace as needed
Daily driving: Inspect at least once a year or every 6,000 miles, replacing as necessary

Ensure your BMW fuel system stays clean and efficient with the Replacement Fuel Filter Element - 6 Micron | Precision Raceworks, the ultimate choice for maintaining performance and reliability.

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Precision Raceworks Universal Fuel Line NPT Tap - Quick Disconnect Ad...

T#:38161736

Part#: 201-0405

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$ 24.99 USD

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This fitting allows you to install a 1/8" npt port anywhere you have an existing quick connect Compatible with the Motiv 0-10 Bar pressure sensor

Hydraulic Alternator Belt Tensioner Assembly

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T#:396757

Part#: 11287838797

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$ 53.99 USD

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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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$ 40.99 USD

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

Fuel Filter - E46 M3 & Z3 S54 3.2L Engine

T#:403354

Part#: 13327831089

Ships in 2 Business Days

$ 84.05

This product was last offered at the strikethrough price on
10-27-2026

$ 76.26 USD

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$ 76.26 USD

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Ensure optimal fuel delivery for your BMW's engine with the Turner Motorsport Fuel Filter for E46 M3 & Z3 S54 3.2L Engine. Over time, fuel filters can become clogged, hindering the engine's ability to receive sufficient fuel. This can lead to various fuel-related issues such as surging, stalling, cold start problems, and decreased performance. Replacing the fuel filter with a fresh one helps address these issues and ensures smooth engine operation under various conditions.

Benefits:

Improves fuel delivery to the engine
Addresses fuel-related problems such as surging and stalling
Enhances cold start performance
Maintains engine performance under various driving conditions
Recommended replacement every 60,000 miles, or more frequently in regions with poor fuel quality

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

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T#:340641

Part#: 11511436590

In Stock

$ 45.99 USD

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An upgrade over commonly failing plastic pulley

OEM Mahle Fuel Filter - E34 E36 E46 Z3 Z4

T#:367343

Part#: 13321740985

Ships in 2 Business Days

$ 46.05

This product was last offered at the strikethrough price on
07-02-2026

$ 35.28 USD

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This is an OEM MAHLE fuel filter that removes dirt and other particle contaminants from your fuel.

A clogged fuel filter makes it difficult for your engine to get all the fueling it needs. Filters commonly clog from a deteriorating gas tank, bad fuel, or other debris in the fuel system. A fresh fuel filter addresses many fuel related problems including surging, stalling, cold start issues, and poor performance under a variety of conditions.

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BMW N52 N44 VANOS Oil Feed Line

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T#:361997

Part#: 11361705532

Ships in 2 Business Days

$ 35.01 USD

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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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OEM Hengst Engine Oil Filter Kit - Pack of 5 - M52 M54

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T#:586192

Part#: 11427512300HKT

In Stock

$ 54.99

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

$ 38.99 USD

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Stock up on oil filters and save some cash! You are going to need them, why not get a discount? This is an OEM Hengst oil filter kit made with the same materials and design as the original oil filter used in BMW dealers (but at a better price!). The kit includes the oil filter, housing cap o-ring, and washer.

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Precision Raceworks Universal Adjustable Fuel Pressure Regulator W/ 1...

T#:38195449

Part#: 501-0043

In Stock

$ 159.99 USD

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$ 159.99 USD

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Adjust your fuel pressure as needed. Thanks to the 1:1 boost reference, fuel pressure will increase as boost pressure increases, ensuring fuel delivery remains optimal under all conditions.

Fuel Tank Breather Valve

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T#:591935

Part#: 13901433603

Ships in 2 Business Days

$ 49.99 USD

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Valve between charcoal canister and throttle body

URO Oil Filler Cap

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T#:6795781

Part#: 11127832157

Ships in 2 Business Days

$ 35.99 USD

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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

In Stock

$ 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

Ships in 2 Business Days

$ 57.99 USD

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$ 57.99 USD

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Oil Filter Housing Cap

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T#:12151731

Part#: 11421744000

In Stock

$ 28.99 USD

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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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Billet Spark Plug Gapper Tool - 14mm - BMS

T#:583132

Part#: BMSBSPGT14MM

Ships in 8 Business Days

$ 35.00 USD

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$ 35.00 USD

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BMS Billet Spark Plug Gapper Tool - 14mm is an essential tool for achieving accurate and consistent spark plug gapping, ideal for automotive enthusiasts and professional mechanics alike. This precision tool helps maintain optimal plug performance by providing reliable, consistent gaps. Available in both 14mm and 12mm plug thread sizes, this tool is proudly made in the USA to deliver durability and precision.

Precisely gaps spark plugs for enhanced engine performance and efficiency
Speeds up the gapping process while ensuring accuracy and uniformity
Available in two sizes (14mm and 12mm) for a wider range of compatibility
Optional specialty feeler gauge included with 4 blades in thicknesses of .018, .020, .022, and .024
Made in the USA for premium quality and durability

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PNP Ethanol Sensor Harness For Motiv Re|Flex Plus

T#:38161679

Part#: 201-0410

In Stock

$ 49.00 USD

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$ 49.00 USD

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Ideal for enthusiasts looking to optimize their vehicle’s fuel system, this ethanol sensor harness delivers precision and reliability for high-performance applications.

E46 M3 Walbro 485 Lph Fuel Pump Kit

T#:28570819

Part#: B047-KIT

Ships on Dec 7, 2026

$ 209.99 USD

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$ 209.99 USD

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URO Multi Purpose Relay - 61368384505

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T#:37858387

Part#: 61368384505

Ships in 2 Business Days

$ 34.99 USD

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$ 34.99 USD

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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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Engine Crankcase Breather Element

Superior performance for both warm and cold climates

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T#:35795496

Part#: 11617533400

In Stock

$ 41.99 USD

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$ 41.99 USD

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Commonly referred to as the "oil separator" or PCV URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. All of their replacement parts are manufactured to ISO 9000 certification standards, so you can expect long lasting performance from URO Parts.

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Mechanical Alternator Belt Tensioner Assembly

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T#:371980

Part#: 11281427252

Ships in 2 Business Days

$ 50.99 USD

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

Precision Raceworks In-Line Micro Regulator - 5 Bar

T#:38094305

Part#: 601-0260

Ships on Dec 9, 2026

$ 64.99 USD

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$ 64.99 USD

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For enthusiasts seeking to regulate fuel pressure at the engine without the complexities of manual adjustments or the need for a 1:1 boost reference, a preset fuel pressure regulator offers an ideal solution. These compact regulators are designed for straightforward installation and consistent performance.

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Replacement Fuel Filter Element - Single Open 10 Micron | Precision R...

T#:38161702

Part#: 101-0256

Ships in 10 Business Days

$ 49.99 USD

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$ 49.99 USD

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Replacement Fuel Filter Element - 10 Micron | Precision Raceworks offers excellent filtration for BMW and high-performance fuel systems, ensuring that larger particles and contaminants are filtered out to maintain optimal engine function. This 10-micron replacement filter element is designed to work seamlessly with Precision Raceworks inline fuel filters, delivering superior protection to your fuel system components, including injectors and fuel pumps.

Whether you're racing on the track or using your vehicle for daily driving, this replacement fuel filter element keeps your fuel system performing at its best by providing reliable filtration and smooth fuel delivery.

10-micron filtration – Effectively captures larger particles and contaminants to protect fuel system components
Maintains fuel flow – Supports smooth fuel delivery for consistent engine performance
Durable construction – Crafted with high-quality materials for long-lasting use under various conditions
Seamless integration – Direct replacement for Precision Raceworks inline fuel filters
Versatile use – Perfect for daily driving, street, and high-performance applications
Easy to replace – Simple maintenance to keep your fuel system clean and efficient

Fuel Filter Replacement Guidelines:

Racing applications: Inspect at least twice per season and replace as necessary
Daily driving: Inspect annually or every 6,000 miles, and replace as needed

Ensure your BMW’s fuel system stays in top shape with the Replacement Fuel Filter Element - 10 Micron | Precision Raceworks, designed to deliver consistent fuel flow and protect your high-performance engine.

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AN6 Male Flare/ORB To 5/16" (7.89mm) Female Quick Connect

T#:38094309

Part#: 201-0274

Ships in 6 Business Days

$ 24.99 USD

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$ 24.99 USD

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The Precision Raceworks AN6 Male Flare/ORB to 5/16" (7.89mm) Female Quick Connect is a premium component designed for fluid or fuel systems. The AN6 male flare/ORB fitting ensures a secure connection, while the 5/16" (7.89mm) female quick-connect fitting allows for fast, tool-free disconnection and reconnection. This setup guarantees a reliable, leak-proof seal, ideal for high-performance systems. Would you like assistance sourcing this fitting or other Precision Raceworks components?

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Leak Detection Pump

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T#:15445597

Part#: 16136756440

In Stock

$ 153.99 USD

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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.

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

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T#:24145945

Part#: 11121738608

In Stock

$ 20.99 USD

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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

In Stock

$ 40.95 USD

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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

In Stock

$ 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

Blue WG38 Gen V Ultra-Gate 38 - 14PSI

T#:22591972

Part#: TS-0551-1011

In Stock at Vendor

10% off MSRP $ 430.99

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

$ 387.99 USD

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10% off MSRP

$ 430.99

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

$ 387.99 USD

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The Gen V WG38 Ultra-Gate 38 external wastegate is your cost-effective, high-performance solution. This 38mm external wastegate is meticulously designed for hassle-free bolt-on applications that make use of the 2-bolt flange.

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Precision Raceworks Ethanol Sensor Breakout Harness

T#:35559424

Part#: 201-0411

In Stock

$ 34.99 USD

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n Ethanol Sensor Breakout Harness provides a clean wiring solution by splitting the signal from your ethanol content sensor between two analyzers, such as an ECU/controller and a gauge or Bluetooth display, without modifying your existing harness.his setup enables real-time ethanol level monitoring and facilitates comprehensive DME/ECU adjustments for enhanced automotive performance.citeturn0search0

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Precision Raceworks In-Line Micro Regulator - 6 Bar

T#:38094308

Part#: 601-0261

Ships in 10 Business Days

$ 64.99 USD

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$ 64.99 USD

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For enthusiasts seeking to regulate fuel pressure at the engine without the complexities of manual adjustments or the need for a 1:1 boost reference, a preset fuel pressure regulator offers an ideal solution. These compact regulators are designed for straightforward installation and consistent performance.

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Suction Pump

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T#:377591

Part#: 11617545382

In Stock

$ 59.62

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

$ 53.99 USD

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$ 59.62

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

$ 53.99 USD

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A common source for vacuum leaks

Oil Level Sensor

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T#:590151

Part#: 12617508003

In Stock

$ 63.99 USD

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$ 63.99 USD

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Engine Mount - Right

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T#:397840

Part#: 11811141736

Ships in 2 Business Days

$ 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 2 Business Days

$ 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

Ships in 2 Business Days

$ 25.99 USD

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Commonly referred to as the "oil separator" or PCV

Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

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T#:362022

Part#: 11617504535

Ships in 2 Business Days

$ 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 2 Business Days

$ 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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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 2 Business Days

$ 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 2 Business Days

$ 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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Advanced Fuel Dynamics ProFlex Commander Adaptive E85 Flex Fuel Syste...

T#:589711

Part#: PFC-E46330K

Ships in 2 Business Days

Starting at $ 899.00 USD

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Starting at $ 899.00 USD

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This full bolt on kit is a complete solution allowing you to alternate between standard and flex fuels without any tuning or mode switching.

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

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URO Engine Mount - Left - BMW E46

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