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

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Turner Motorsport Billet Aluminum Oil Filter Housing Drain-Back Valve...
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Turner Motorsport - Corporate Logo
T#:56110301
Part#: 060233LA01
In Stock
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Sale - Save 40% $ 49.99

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

$ 29.99 USD
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If your M50, M52, or M54 engine takes a few seconds to build oil pressure after sitting, there's a good chance that your factory oil filter housing drain back valve has failed. Over time, the factory plastic check valve degrades, allowing oil to drain completely out of the housing and back into the oil pan while sitting. Every cold start essentially becomes a dry start, resulting in a loud ticking noise and causing unnecessary wear on your engine's internals.

Unfortunately, BMW does not offer this check valve as a standalone part, forcing you to purchase a costly, complete oil filter housing assembly just to fix one failed plastic component. Thankfully, our team of BMW enthusiasts took note of this common failure mode and designed a permanent, cost-effective fix.

Our Billet Oil Filter Housing Drain-Back Valve is designed as a direct-fit upgrade for your factory oil filter housing. CNC-machined from high-strength billet aluminum, this upgraded valve restores positive sealing to keep the oil filter housing fully primed. Maintaining this hydraulic prime ensures rapid oil pressure stabilization upon startup, directly mitigating dry-start bearing wear and top-end lifter starvation without requiring the purchase of a complete OEM housing assembly.

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Turner Motorsport - VANOS Exhaust Hub Upgrade - E46 M3, Z3 M, Z4 M (S...
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Turner Motorsport - Corporate Logo
T#:53538140
Part#: 013042LA01
In Stock
New Item
Sale - Save 51% $ 254.99

This product was last offered at the strikethrough price on
06-15-2026

$ 125.99 USD
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Sale - Save 51%
$ 254.99

This product was last offered at the strikethrough price on
06-15-2026

$ 125.99 USD
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The factory VANOS exhaust hub on the S54 engine is known to develop excessive play where the drive tabs interface with the oil pump disk. Over time, this imprecise fitment causes a back-and-forth rattling motion that can result in the tabs shearing off inside the engine, risking catastrophic damage or complete engine failure. Unlike other aftermarket solutions that require full VANOS disassembly, retiming, or replacement of the oil pump disk, the Turner Motorsport S54 VANOS Hub Upgrade offers a smarter approach. Our bolt-on fix eliminates the common failure point without opening the VANOS unit or disturbing engine timing.

Our solution involves removing the worn tabs from your stock exhaust hub and installing our precision-fit replacement, which is precision-machined from 4340 steel and hardened to meet OEM specifications. Designed using 3D scanning and CAD modeling, the Turner Motorsport VANOS Exhaust Hub Upgrade provides a tight, interference-free fit into the oil pump disc, completely resolving the issue without unnecessary labor.

Features & Benefits:

Direct bolt-on solution for S54 VANOS oil pump drive tab failure, preventing potentially catastrophic damage to engine internals Precision-machined from high-strength 4340 steel and heat-treated to match OEM specifications Designed using 3D scanning and CAD modeling to ensure precise fitment within the OEM oil pump disc Engineered to eliminate the play that exists between the exhaust hub and oil pump disc from factory Backed by extensive real-world testing and our lifetime replacement program!

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Turner Motorsport Polished Valve Cover Cap Nut (11121738607) - Priced...
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Turner Motorsport - Corporate Logo
T#:54852009
Part#: 059043LA04KT
In Stock
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Sale - Save 10% $ 4.99

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

$ 4.49 USD
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This product was last offered at the strikethrough price on
11-07-2026

$ 4.49 USD
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Over time, the factory valve cover hardware on M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines is subjected to continuous heat cycling, oil vapor, and moisture, causing original cap nuts to oxidize, corrode, or thread-strip during routine maintenance. Our Polished Valve Cover Cap Nut serves as a direct replacement designed to address these common failure points while improving upon overall engine bay aesthetics.

Because maintaining precise gasket compression is critical to preventing oil leaks, these cap nuts and washers are machined directly to OE-style dimensions. This exact fitment allows for direct compatibility with original and replacement valve cover studs (see T#55317643) and ensures the hardware can be torqued precisely to OEM specifications without guesswork. Manufactured to grade 8.8 structural strength standards, the hardware maintains the necessary clamp force required under normal and high-performance engine operating conditions.

To resist corrosion, both the cap nut and washer undergo an electroless nickel plating process during production. Unlike standard zinc coatings that dull or rust over time, electroless nickel provides a uniform layer of corrosion resistance that withstands long-term chemical exposure and extreme temperature swings while giving the hardware a polished, high-end appearance. Each cap nut assembly includes an OE rubber washer seal, ensuring a tight, leak-free barrier that prevents oil from escaping through the mounting studs.

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Turner Motorsport Valve Cover Stud (11121718856) - Priced Each ...
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Turner Motorsport - Corporate Logo
T#:55317643
Part#: 059043LA03
In Stock
New Item
Sale - Save 25% $ 4.99

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

$ 3.74 USD
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Sale - Save 25%
$ 4.99

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

$ 3.74 USD
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This M7/6x29.5 threaded stud is used for securing the valve cover to the cylinder head on all M50, M50TU, M52, M52TU, M54, S50 (US), and S52 engines. Despite this crucial role in engine sealing and construction, BMW decided to discontinue this vital factory part in 2023. Recognizing the gap left by the discontinued factory hardware, our team of BMW enthusiasts reverse-engineered the original part—improving its materials and finish to bring a higher-quality, long-lasting solution to the market. Manufactured from high-strength Grade 8.8 steel and finished with a protective zinc coating, this upgraded stud delivers exceptional durability, reliable torque retention, and exceptional corrosion resistance under the hood.
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Goldenwrench Supply Co - Corporate Logo
T#:53820895
Part#: S54OCCS
In Stock
New Item
$ 118.99

This product was last offered at the strikethrough price on
05-15-2026

$ 83.00 USD
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$ 83.00 USD
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Designed for Seamless Integration the Heritage Motorsport Oil Cap provides a Solid Aluminum Replacement for Aging Plastic units

Active Autowerke - Corporate Logo
T#:57616348
Part#: RTF-1L
Ships in 3 Business Days
New Item
7% off MSRP $ 140.00

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

$ 130.00 USD
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$ 140.00

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

$ 130.00 USD
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Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml).
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Launch - Corporate Logo
T#:59477502
Part#: 301050822
Ships in 5 Business Days
New Item
22% off MSRP $ 449.99

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

$ 350.00 USD
22% off MSRP
$ 449.99

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

$ 350.00 USD
The Launch Tech Millennium Master 2.0 steps up from basic code readers to offer a comprehensive diagnostic solution for both serious DIY enthusiasts and professional technicians. Moving beyond simple emissions codes, this scanner provides full system diagnostics, allowing you to read and clear fault codes and view live data across your vehicle's entire network.
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Launch - Corporate Logo
T#:59477534
Part#: 702030019
Ships in 5 Business Days
New Item
5% off MSRP $ 599.99

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

$ 569.99 USD
5% off MSRP
$ 599.99

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

$ 569.99 USD
The Launch Tech Tread Master 2.0 revolutionizes tire inspection for workshops and fleet maintenance professionals. Moving beyond manual analog gauges, this handheld device utilizes advanced Class 2 laser scanning to deliver precision 1/32nd-inch real-time tread depth measurements in roughly 3 seconds per tire.
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Launch - Corporate Logo
T#:59477499
Part#: 307010408
Ships in 5 Business Days
New Item
17% off MSRP $ 35.99

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$ 29.99 USD
17% off MSRP
$ 35.99

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

$ 29.99 USD
Whether you are a weekend DIY warrior or just looking to save a trip to the mechanic every time a check engine light pops on, the Launch Tech Millennium 30 Plus is the perfect entry-level diagnostic companion. Designed for budget-conscious users who still demand accuracy and reliability, this compact scanner delivers essential vehicle diagnostics right to the palm of your hand. Don't let the compact size fool you—this lightweight unit packs all 10 OBD2 test modes, allowing you to read and clear fault codes, view live data, and monitor your battery's health without breaking the bank.
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Launch - Corporate Logo
T#:59477507
Part#: 301050830
Ships in 5 Business Days
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14% off MSRP $ 699.99

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

$ 599.99 USD
14% off MSRP
$ 699.99

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

$ 599.99 USD
Designed specifically for heavy-duty diesel technicians, the Launch Tech Millennium HD ProA is a highly portable, Android-based diagnostic scanner that packs serious capability into a compact design. Whether you are in the shop or on a roadside service call, this tool provides full-system diagnostic coverage for over 50 commercial vehicle brands, ensuring you can quickly identify faults across engines, transmissions, braking systems, and more. Beyond standard HD-OBD code reading, the Millennium HD ProA empowers you to perform 8 essential heavy-duty service functions. With Wi-Fi for easy over-the-air updates and Auto VIN detection for rapid vehicle identification, it is a versatile, cost-effective solution for maintaining commercial fleets.
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Launch - Corporate Logo
T#:59477532
Part#: 341184002
Ships in 5 Business Days
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13% off MSRP $ 5,995.99

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

$ 5,196.99 USD
13% off MSRP
$ 5,995.99

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

$ 5,196.99 USD
For professional technicians who demand the absolute best in speed, coverage, and durability, the Launch Tech X-431 Throttle V is the ultimate diagnostic powerhouse. Built to survive the harsh environment of a busy shop floor, the Throttle V features an IP65-rated water and dust-resistant housing, ensuring your investment is protected against spills, drops, and grime. The Throttle V dominates complex diagnostics with its massive 13.6-inch 2K high-definition touchscreen, making it incredibly easy to view live data streams, read OE-level wiring diagrams, and utilize the advanced Smart Topology View. This feature visually maps all vehicle modules in a single diagram, allowing you to instantly spot communication faults across the entire network. Powered by a blistering 2.0GHz Octa-Core processor, an enormous 12GB of RAM, and 512GB of storage, this Android 13 tablet effortlessly handles multitasking and stores thousands of diagnostic reports without breaking a sweat. With the included SmartLink C VCI, you get seamless Bluetooth communication, dual-band Wi-Fi, and support for the latest protocols including CAN FD, DoIP, and J2534 passthrough programming.
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Launch - Corporate Logo
T#:59477505
Part#: 301190908
Ships in 5 Business Days
New Item
9% off MSRP $ 5,495.99

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

$ 4,999.99 USD
9% off MSRP
$ 5,495.99

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

$ 4,999.99 USD
The Launch Tech X-431 Torque AutoHD Pro is the ultimate diagnostic powerhouse designed for shops that do it all. Built to handle the demands of mixed fleets, this rugged tablet bridges the gap between automotive and commercial vehicle repair, offering OE-level diagnostics for everything from daily drivers to Class 1–8 heavy-duty trucks.
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Launch - Corporate Logo
T#:59477531
Part#: 321195201
Ships in 5 Business Days
New Item
19% off MSRP $ 1,595.99

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

$ 1,299.99 USD
19% off MSRP
$ 1,595.99

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

$ 1,299.99 USD
The Launch Tech X-431 Turbo III is the ultimate everyday companion for general repair shops, mobile mechanics, and advanced enthusiasts who need professional-level diagnostics without the bulk. Featuring an 8-inch touchscreen and a durable, compact design with an adjustable kickstand, it easily navigates the tight spaces of an engine bay or interior while delivering comprehensive, full-system diagnostics.
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Launch - Corporate Logo
T#:59477511
Part#: 307020135
Ships in 5 Business Days
New Item
20% off MSRP $ 249.99

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$ 199.00 USD
20% off MSRP
$ 249.99

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

$ 199.00 USD
The Launch Tech BST860S is a standalone, plug-and-play battery testing solution designed for the fast-paced environment of professional repair shops. When you need to quickly assess a battery's health and provide tangible proof to a customer, the BST860S delivers. Its standout feature is the built-in thermal printer, allowing you to instantly print a comprehensive, easy-to-read health report right at the fender.
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Launch - Corporate Logo
T#:59477509
Part#: 301180946
Ships in 5 Business Days
New Item
12% off MSRP $ 99.99

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$ 88.00 USD
12% off MSRP
$ 99.99

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

$ 88.00 USD
Whether you are a professional technician performing routine inspections or a DIY enthusiast diagnosing a no-start condition, the Launch Tech BST360 makes battery testing fast, safe, and convenient. This compact, wireless tester eliminates the need for bulky equipment, turning your smartphone or compatible Launch X-431 diagnostic scanner into a powerful battery analysis system.
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Launch - Corporate Logo
T#:59477501
Part#: 341051503
Ships in 5 Business Days
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5% off MSRP $ 79.99

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$ 75.99 USD
5% off MSRP
$ 79.99

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

$ 75.99 USD
Whether you are a DIY enthusiast looking to handle your own check engine lights or a professional technician needing a quick, reliable backup tool, the Launch Tech Millennium OBD is a highly capable and cost-effective solution. Designed to provide essential vehicle diagnostics without the bloated price tag, this scanner gets straight to the point.
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Launch - Corporate Logo
T#:59477503
Part#: 301050768
Ships in 5 Business Days
New Item
44% off MSRP $ 799.99

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

$ 449.00 USD
44% off MSRP
$ 799.99

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

$ 449.00 USD
Designed to bridge the gap between advanced DIY capability and professional shop requirements, the Launch Tech Millennium Max is a powerful bi-directional scan tool packaged in a rugged, job-site-ready tablet. This versatile scanner moves beyond simply reading and clearing codes—it gives you the power of active testing and ECU control to command vehicle components and pinpoint issues faster.
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Launch - Corporate Logo
T#:59477533
Part#: 321195101
Ships in 5 Business Days
New Item
23% off MSRP $ 2,595.99

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

$ 2,000.00 USD
23% off MSRP
$ 2,595.99

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

$ 2,000.00 USD
The Launch Tech X-431 Torque Link perfectly balances high-end functionality and exceptional value for growing repair shops and serious technicians. Bridging the gap between entry-level scanners and ultra-premium tablets, the Torque Link brings true professional-grade diagnostics—including advanced topology mapping—to a rugged, highly capable 10.1-inch platform. Powered by a fast 2.0GHz Quad-Core processor, 4GB of RAM, and a generous 128GB of internal storage, this Android 10 tablet is designed to keep up with busy days in the bay. Its standout feature is the included SmartLink C VCI, which not only provides wireless Bluetooth communication and CAN FD/DoIP protocol support but also acts as a J2534 passthrough device for dealer-level module programming. With built-in features like AutoAuth secure gateway access, VW/Audi Guided Functions, bi-directional active testing, and massive expandability for Heavy-Duty and ADAS calibration, the Torque Link handles complex repairs efficiently and reliably.
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ICT Billet - Corporate Logo
T#:54317175
Part#: EM-LS-E46
Ships in 5 Business Days
New Item
17% off MSRP $ 431.99

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

$ 359.99 USD
Free Shipping on orders $49 and up
17% off MSRP
$ 431.99

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

$ 359.99 USD
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ICT's BMW E36 / E46 LS Swap Engine Mount Kit is designed to make installing an LS engine into your E36 or E46 chassis a straightforward process. This kit includes both engine-side and frame-side mounts, ensuring a strong and precise fit. The tubular steel construction provides exceptional strength, while the black powder-coated finish adds durability and corrosion resistance. To maintain drivability and reduce engine vibrations, the mounts utilize polyurethane bushings for optimal isolation. Whether you're building a track car or a street beast, this kit is the perfect foundation for your LS swap.
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