If you're not sure if your Vanos seals are bad then the only question you need to answer is if you've replaced them. Every unit from the factory came with the same failure prone o-rings and seals, even the re-manufactured units you can still get today. The only real fix is by replacing the seals and o-rings with material that is built to last in the oiled, extreme temperature environment found in these kits. 

A premium product replacement with easy to follow instructions makes rebuilding your Vanos unit a must. Even thought the power loss is barely felt it's the opposite result once you replace the seals, every car that gets rebuilt ends up wowing the customer and all of them saying they didn't realize what they lost. 

There are a number of symptoms that will plague your car as a result of these failing seals such as erratic idle, engine hesitation, stalling, and increased fuel consumption to name a few. If you've been chasing down any of these symptoms with no fix then this could be your issue.

While you 're replacing the seals in your Vanos unit it a good time to install anti-rattle spacers to tighten up the gaps in your stock assembly and get rid of that noisy Vanos clatter.

Rebuild instructions : http://bd8ba3c866c8cbc330ab-7b26c6f3e01bf511d4da3315c66902d6.r6.cf1.rackcdn.com/PDF_12017_BMW_M5X_Dual_Vanos_Rebuild_Kits.pdf

This item fits the following BMWs: 

1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi 
1999-2003 E39 BMW 525i 528i 530i 
2004-2010 E60 BMW 525i 530i 
2004-2006 E83 BMW X3 2.5i X3 3.0i 
2000-2006 E53 BMW X5 3.0i 
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i 
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i 

ECS Tuning introduces the solution to your engine bay aesthetic concerns with the Billet Aluminum Oil Dipstick. Say goodbye to the bright red plastic eyesore and elevate your under-the-hood style effortlessly. Designed to OE specifications, this dipstick boasts an easy-to-read fill line and is available in three stunning finishes: black, polished, or clear anodized.

• Billet aluminum construction for enhanced durability
• Easy-to-read fill line for convenient oil level checks
• Available in three finishes: black, polished, or clear anodized
• OE specifications ensure a perfect fit
• Improved ease of insertion compared to factory ribbon dipstick
• Aesthetic enhancement for your engine bay

Upgrade your engine bay's appearance and functionality with the ECS Tuning Billet Aluminum Oil Dipstick. No more struggles reinstalling your dipstick; enjoy a sleek and high-performing addition to your vehicle.

Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12527519996 - Commonly used for the pencil-style ignition coil connector.

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

Designed to fix a known weak point for the MINI B3X and B4X engines, the ECS billet aluminium oil filter housing cap is a direct replacement for the factory plastic cap. The OEM plastic part is infamous for cracks, stripped threads, and rounded hex heads—often failing during routine oil changes and turning basic maintenance into a frustrating, time-consuming repair.

The engineers at ECS have designed a precision-machined billet aluminium upgrade that eliminates those issues, delivering strength, durability, and consistent fitment. An integrated drain plug allows you to drain the filter housing cleanly before removal, reducing spills and mess for a faster, cleaner oil service.

Replaces OEM MINI part number 11428575907.

FEATURES

Fixes common OEM plastic failures, including cracking, stripped threads, and rounded hex heads Precision-machined billet aluminum construction for superior strength and longevity Black anodized coating to prevent oxidation Integrated drain plug allows clean, mess-free oil changes Improves serviceability, reliability, and underhood appearance

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch.

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

The ECS Carbon Fiber Engine Cover creates a visual underhood transformation like no other! This engine cover is made from authentic, hand-laid carbon fiber material with pre-impregnated carbon fiber cloth and epoxy resin. It is finished in a durable gloss clear coat for UV protection and added durability. If you're looking for a sure-fire way to make your engine bay stand out, look no further than this high-performance aesthetic carbon fiber engine cover!

Engine oil cap functionality is retained so you can easily top-off your engine oil between services without engine cover removal.

The ECS Carbon Fiber Engine Cover installs just like the factory component. Retaining the exact locations of the OE rubber mounts ensures the integrated mounting grommets snap right over the factory ball studs. The ECS Engine Cover can then be installed or removed just like the factory cover without any further tools needed.

Features:

Race-inspired carbon fiber styling High-quality pre-impregnated cloth and epoxy resin construction Finished with a durable UV-resistant high gloss clear coat Mirrors the unique contours of the factory engine cover to ensure proper clearance of top-end componentry Retains the factory oil filler cap location for easy top-ups and oil changes Transform your engine bay in a matter of minutes with this high-quality aesthetic piece from ECS Tuning!

Ensure secure hose connections with the 1/2"/12mm Band Hose Clamp. This versatile clamp provides a tight and reliable seal for various hose sizes, making it ideal for automotive, plumbing, and industrial applications. With its durable construction and easy installation, the 1/2"/12mm Band Hose Clamp is a practical solution for preventing leaks and maintaining efficiency.

• Provides a tight and reliable seal
• Versatile clamp for various hose sizes
• Suitable for automotive, plumbing, and industrial applications
• Durable construction ensures long-lasting use

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV).

ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.

Each connector includes an additional terminal in case one becomes lost or damaged during installation.

*OEM cross reference PN# 12521706096 - Commonly used for the idle air control valve (IACV).

Please reference the original part number from the existing connector to confirm fitment, before ordering.

Suggested tools:

Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943

ECS Tuning 304 Stainless Steel Hose Clamps

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

• Made from high-quality 304 stainless steel for durability
• German-style design with T-bolts allows for easy size adjustment
• Various band widths for versatile use
• Avoid dealership pricing without compromising on quality
• Perfect for BMW enthusiasts seeking affordable yet reliable hose clamps

MINI R50 R52 Performance Kevlar Reinforced Belt

Offers enhanced durability and reliability for your Mini's engine system. Engineered with Kevlar reinforcement, this belt ensures optimal performance even in demanding driving conditions.

• Improved durability compared to standard belts
• Kevlar reinforcement enhances strength and reliability
• Designed for optimal performance in Mini R50 and R52 models
• Helps maintain engine efficiency and reliability

1/2"/12mm Band Hose Clamp

For reliable hose fastening, opt for the top-tier 1/2"/12mm Band Hose Clamp. Engineered for durability and versatility, this hose clamp ensures secure connections in various applications. Invest in quality and maintain optimal functionality with this essential accessory.

• Versatile clamp suitable for various hose sizes
• Durable construction ensures long-lasting performance
• Provides a secure seal for optimal functionality
• Easy to install and adjust for convenience

Upgrade your exhaust system with the Stainless Steel Oxygen Sensor (O2) Weld Bung (M18x1.5mm). This high-quality weld bung is made from stainless steel, ensuring durability and resistance to corrosion. It features M18x1.5mm threads, making it compatible with most oxygen sensors. Perfect for custom exhaust setups or replacing damaged bungs, this weld bung is a must-have for any automotive enthusiast.

• Made from high-quality stainless steel for durability and corrosion resistance
• M18x1.5mm threads ensure compatibility with most oxygen sensors
• Ideal for custom exhaust setups or replacing damaged bungs
• Essential for automotive enthusiasts looking to upgrade their exhaust system

Ensure optimal engine performance with the BMW S54 3.2L O-Ring.

Specifically designed for BMW engines, this o-ring provides a reliable seal to prevent leaks and maintain engine integrity. Crafted with high-quality materials, it withstands high temperatures and pressures, ensuring long-lasting durability. With easy installation and precise fitment, this o-ring is essential for any BMW owner looking to maintain their engine's performance and reliability.

• Provides a reliable seal to prevent leaks
• Withstands high temperatures and pressures
• Ensures long-lasting durability
• Easy installation for convenience
• Precise fitment for BMW engines

3/8"/9mm Band Hose Clamp - 60-80mm

Ensure a secure seal with the 3/8"/9mm Band Hose Clamp - 60-80mm. Designed for versatility and durability, this hose clamp provides reliable fastening for various applications. Invest in quality and maintain tight connections with this essential accessory.

• Versatile clamp suitable for various hose sizes
• Durable construction ensures long-lasting performance
• Provides a secure seal for optimal functionality
• Easy to install and adjust for convenience

ECS 1/2"/12mm Band Hose Clamp - 20-32mm

Once again, ECS Tuning has found a way to make life easier for working on your car. Need new hose clamps but don't want to wait to order it from the dealership or pay more than you should for a hose clamp? That's where we come in! These are full 304 stainless steel hose clamps with various band widths for your convenience. They are German style using T-bolts to adjust in size to your required diameter. Never pay dealer pricing again, but still get the quality you love here at ECS Tuning.

• Premium 304 stainless steel construction for durability
• German-style T-bolt design for easy size adjustment
• Versatile band widths cater to different hose sizes
• Eliminates the need for expensive dealership purchases
• Ensures secure and reliable hose connections

Upgrade your BMW's hose clamps with the 77-85mm - 3/4" Band Hose Clamp from Turner Motorsport. These full 304 stainless steel clamps offer convenience and quality without the dealership price tag. German-style T-bolts allow for easy adjustment to your required diameter, ensuring a secure fit every time.

• Made of durable 304 stainless steel for long-lasting performance
• German-style T-bolt design for easy size adjustment
• Convenient band widths for versatile applications
• Quality alternative to dealership pricing

Discover ECS Tuning's stainless steel hose clamps, designed to simplify your Mini's maintenance tasks. No more waiting for dealership orders or overpaying!

These clamps offer versatility with various band widths and German-style T-bolts for size adjustment, ensuring they meet your required diameter. Say goodbye to dealer pricing while securing top-notch quality synonymous with ECS Tuning.

• Stainless steel construction for durability
• Versatile band widths for various applications
• German-style T-bolts for size adjustment
• High-quality alternative to dealership hose clamps