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

Bav Auto High-Performance Ignition Coil - N20 N52 N54 N55 S55 ...

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T#:578618

Part#: 5005

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A simple yet effective upgrade, these Bav Auto High-Performance Ignition Coils feature modified core windings that offer increased firepower and promote a faster, more efficient burn. The result is greater low-end torque and increased horsepower in the mid to top-end. When used in a properly functioning engine, a noticeable difference can be felt. In addition to better torque and horsepower, fuel economy is also improved! These coils come with new spark plug boots. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability.

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Bav Auto High-Performance Ignition Coil - M62 M73 M52 M54 S52 S62 ...

For vehicles with production date up to 09/2002

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T#:579671

Part#: 5002

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A simple yet effective upgrade, these Bav Auto High-Performance Ignition Coils feature modified core windings that offer increased firepower and promote a faster, more efficient burn. The result is greater low-end torque and increased horsepower in the mid to top-end. When used in a properly functioning engine, a noticeable difference can be felt. In addition to better torque and horsepower, fuel economy is also improved! These coils come with new spark plug boots. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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High-Performance Ignition Coil - Set Of 6

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Earn 5% back in Turner Rewards on orders placed 10/28-10/31. Redeem 11/27-12/1. Terms & conditions apply
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T#:36337177

Part#: B50056KT

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Enhance your BMW's performance with the upgraded BAV Ignition Coil, designed to boost firepower and optimize engine efficiency. These coils boast modified core windings for a faster, more efficient burn, resulting in increased torque at lower RPMs and heightened horsepower in the upper range. While improvements depend on your engine's condition, these coils ensure noticeable enhancements in performance and potential fuel economy benefits.

Product Benefits:

Improved engine firepower and efficiency
Increased torque at lower RPMs
Enhanced horsepower in higher ranges
Potential improvement in fuel economy
Set of six for complete BMW Cooper replacement

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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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$ 36.99

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Ignition coil for a quality OE replacement

New Alternator - 120A

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T#:25042543

Part#: 12317501690

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$ 169.59 USD

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Bav Auto Lower Timing Chain Sprocket - M50 M52 M52TU M54 S50 S52 ...

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T#:17871153

Part#: 11211719984

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$ 44.79 USD

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This lower timing chain sprocket is located behind the crank pulley, directly on the crankshaft.

Glyco Connecting Rod Bearing Set

T#:375825

Part#: 11241284849

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$ 92.02

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$ 84.66 USD

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Standard bore - 45mm

Upper Timing Chain Tensioner

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T#:599825

Part#: 11311738700

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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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Bav Auto Ignition Coil - N20 N52 N55 N54 N62 S55

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T#:578619

Part#: 12137571643A

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$ 26.59 USD

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Restores your engines smooth operation with new ignition coils from Bav Auto! Boot included with coil. Same as 12131712219, 12130148594, 12130390064, 12137594938, 12137551049, 12137562744, 12137571643, 12138647689, 12137594937, 12137571643. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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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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$ 40.99 USD

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

URO PCV Breather Hose Kit - E39, E46, E83

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T#:592719

Part#: BMM54PCVKIT

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$ 117.99 USD

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Comes with everything needed to refresh the PCV System!

Bav Auto Variable Engine Timing Solenoid Switch - BMW E39 E46 E53 E83...

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Requires use of open-ended wrench for installation - does not fit BMW specific socket tool

T#:599824

Part#: 11361432532

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This solenoid works with the VANOS engine timing system to improve horsepower and torque throughout the RPM range. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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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

Alternator - 120amp

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T#:25042542

Part#: 12317831436

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$ 167.24 USD

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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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Glyco "Yellow" Crankshaft Bearing Shell - Set - E28, E30, E34, E36, E...

T#:375823

Part#: 11211706847

Ships in 1-3 days

$ 136.06

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$ 125.73 USD

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Standard bore

Bav Auto Crankcase Pressure Regulator Valve - BMW M52 M54

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T#:640207

Part#: 11617501566

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$ 23.09 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 this and all the other components of the oil separator system 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. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bavarian Autosport M52/M54/S52 Exact-Fit Rubber Vanos Line

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T#:1105923

Part#: 000932LA01-02

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$ 62.69 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 rubber 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. Bavarian Autosport's M52/M54/S52 Exact-Fit Rubber Vanos Line offers several benefits over OEM. Not is it they more durable and reliable OEM, but it is also easier to install, and significantly less expensive than the factory BMW Vanos line (11361705532) or other alternatives available on the market. If you're factory Vanos line hasn't failed yet, we still recommend replacing yours with Bavarian Autorsport's Exact Fit Rubber Vanos Line M52/M54/S52 to avoid eminent future failure.

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Bavarian Autosport Valve Cover Assembly - BMW M54 2.5L and 3.0L ...

For vehicles with production date from 09/2002

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T#:638092

Part#: 11127512839

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$ 187.19 USD

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Direct replacement for cracked, leaky, warped, or otherwise failing plastic valve covers. Fits a variety of vehicles, including E39, E46, E53, E60, E83, and Z4 chassis' equipped with the M54 engine.

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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$ 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.

DSC Pressure Sensor

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T#:567281

Part#: 34521164458

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$ 152.99 USD

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This sensor is attached to the brake master cylinder

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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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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URO Fuel Pump Assembly - E46 Non-M

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T#:373294

Part#: 16146766942

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$ 115.99

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$ 102.99 USD

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A failing fuel pump has many potential symptoms, including:

hard starting cold or after a heat soak
an illuminated check engine light
engine misfire under load or when cold
stalling
no-start.

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Mechanical Alternator Belt Tensioner Assembly

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T#:371980

Part#: 11281427252

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$ 50.99 USD

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

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.

Suction Pump

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T#:377591

Part#: 11617545382

In Stock

$ 59.62

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$ 53.99 USD

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A common source for vacuum leaks

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

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T#:43750203

Part#: 11311738700

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$ 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

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$ 43.99 USD

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Complete tensioner assembly with roller

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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Belt Tensioner Conversion Kit

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T#:600039

Part#: 11287838797K

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$ 82.99 USD

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Update from a mechanical tensioner to a hydraulic style tensioner

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

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T#:592961

Part#: 11617533399

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$ 22.99 USD

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Connecting Hose from Vent Valve

Upper Oil Separator Vent Tube

For vehicles with production date from 01/2000

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T#:362022

Part#: 11617504535

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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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Pressure Hose

For vehicles with production date from 03/2003

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T#:585279

Part#: 11727555681

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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.

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

T#:375824

Part#: 11211706850

In Stock at Vendor

$ 126.61

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$ 119.33 USD

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59.75MM(+0.25) bore

"Cold Climate" Oil Separator Kit

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T#:377838

Part#: 11617534237

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$ 74.99 USD

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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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URO Oil Pan

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T#:640378

Part#: 11131432703

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$ 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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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

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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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

Valve Cover

For vehicles with production date from 09/2002

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T#:559290

Part#: 11127512839

Ships in 1 Business Day

$ 263.99

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

$ 256.99 USD

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$ 256.99 USD

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This complete valve cover assembly includes a sealing gasket and engine cover mounts.

URO Engine Mount - Left -BMW E46

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T#:397841

Part#: 1181141735

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$ 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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Engine Mount - Right

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T#:397840

Part#: 11811141736

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$ 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

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

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URO Multi Purpose Relay - 61368384505

URO Engine Mount - Left - BMW E46

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