Morimoto D1S 6500K XB Xenon Bulb Pair - E6X E70/71 E82/88 E9X F01/02 ...

T#:639922

Part#: MM.N.074

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$ 94.99 USD

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NO COMPARISON: When it comes to HID bulbs, Morimoto has always offered the best in the aftermarket, and their latest examples are no exception. When it comes to bang for the buck - nothing compares to the Morimoto XB HID lineup. Compatible with 35W and 55W: The XB's will produce more lumens, last longer, project farther, and look better doing it. LUMINOSITY: At the heart of the XB D1S bulbs is their perfectly aligned 100% Philips quartz glass that houses a capsule from APL-USA. Using high-quality halide salts from German-supplier Messer; the bulbs produce nearly the same luminosity (intensity) as the amazing Osram CBI bulbs at 5500K. No, you're not seeing things here, but yes you will be seeing everything at night. In our Comparison to the big brands; Morimoto's XB capsule ran with the best of em! LONG LIFE: The Austrian-sourced Plansee electrodes help keep the bulbs running brighter for longer. In comparison to a Philips bulb with 200 hours of use; the Morimoto will maintain 83% of it's intensity whereas the Philips bulb will retain 86%. Yes, the Philips maintains a little longer, but this kind of longevity is unheard of in the aftermarket. PRECISE ALIGNMENT: Morimoto's Symmetry-Structure frame surrounds the base of the glass capsule keeping everything properly lined up, which is paramount when it comes to HID bulbs because it means the output is bright and uniform throughout. COMPLIANCE: The XB replacement HID bulbs are built to industry-standard specifications and meet/exceed all SAE, DOT, and ECE requirements, making them a perfect match for a replacement bulb or upgrade! They have been tested for reliability with all ballasts from Morimoto, Denso, Hella, Bosch, and Koito and passed

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Morimoto Black Retrorubber Butyl Glue

T#:25971910

Part#: A330

In Stock

10% off MSRP $ 29.00

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

$ 25.99 USD

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10% off MSRP

$ 29.00

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

$ 25.99 USD

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Morimoto Retro-Rubber Headlight Sealant for BMW

Upgrade your BMW's headlights with Morimoto Retro-Rubber, the ultimate sealant solution designed specifically for high-end headlights. This automotive-grade butyl rubber, originating from Yokohama, Japan, ensures protection against moisture, guaranteeing optimal performance even in adverse weather conditions.

Benefits:

OEM-style sealant designed for headlights prevents moisture ingress
Specifically formulated for resealing headlights, ensuring perfect fit and seal
Available in black or gray to match various headlight housings
Each roll provides approximately 4 meters of glue, sufficient for multiple headlight reseals
Easy to apply and hardens to OEM-like consistency for long-lasting performance

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AeroCatch Racing Hood and Body Panel Fasteners (Pair) - Better than h...

T#:340098

Part#: AEROCATCH

In Stock

$ 566.99

This product was last offered at the strikethrough price on
05-13-2026

Starting at $ 82.99 USD

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Starting at $ 82.99 USD

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As used by Turner Motorsport on our championship winning BMW race cars, the new aerodynamically efficient and aesthetically styled AeroCatch is setting new standards in hood fixing for the 21st century. Say goodbye to your standard hood pins -- these are better all around.

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Morimoto D1S 5000K XB Xenon Bulb - Pair

T#:16208932

Part#: MM.N.073

Ships in 1 Business Day

15% off MSRP $ 112.00

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

$ 94.99 USD

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15% off MSRP

$ 112.00

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

$ 94.99 USD

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Morimoto XB HID Bulbs: Unmatched Performance for Your BMW

When it comes to BMW HID bulbs, Morimoto's reputation for excellence in the aftermarket is undeniable, and their latest XB lineup continues to set the standard. If you're looking for the best value, nothing rivals the Morimoto XB HID bulbs. These bulbs are compatible with both 35W and 55W setups, delivering superior lumens, extended lifespan, increased projection distance, and an enhanced appearance.

Key Features:

Outstanding Luminosity: Morimoto's XB D1S bulbs feature perfectly aligned 100% Philips quartz glass housing capsules sourced from APL-USA. Utilizing high-quality halide salts from German supplier Messer, these bulbs provide nearly the same luminosity as Osram CBI bulbs at 5500K, ensuring exceptional brightness at night.
Long-Lasting Performance: Thanks to Austrian-sourced Plansee electrodes, Morimoto bulbs maintain brightness over an extended period. Compared to Philips bulbs, the Morimoto retains 83% of its intensity after 200 hours of use, which is a remarkable feat in the aftermarket.
Precise Alignment: Morimoto's Symmetry-Structure frame ensures proper alignment, resulting in bright and uniform HID bulb output, a critical factor for optimal performance.
Compliance and Reliability: Morimoto's XB replacement HID bulbs adhere to industry-standard specifications, exceeding SAE, DOT, and ECE requirements. These bulbs are a perfect match for replacement or upgrade, and they have undergone extensive reliability testing with ballasts from Morimoto, Denso, Hella, Bosch, and Koito, passing with flying colors.

Elevate your BMW's lighting performance with Morimoto's XB HID bulbs. Turner Motorsport brings you the best in aftermarket HID technology.

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Seat Floor Adapters - E82, E90, E92 - Macht Schnell

T#:22151

Part#: TMS22151

Ships on Sep 29, 2026

$ 235.00 USD

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In order to mount aftermarket seats in your car, you need a floor mount adapter. These high-quality aluminum adapters are made by Macht Schnell. These bolt to your existing seat mounting studs in the floor and offer the lowest profile of any floor mount (22mm height). This helps to keep your seat at the lowest position possible. Your seat adapters or sliders bolt to this adapter plate. These floor mounts are a matrix style with rows of threaded holes that allow you to find an ideal seat location. There are other options - including homemade - but these seat brackets for your BMW are the highest quality to match your expensive seats.

Sold per seat. Can be used on left or ride sides of vehicle.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe

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E60, E82, E85, E9X, E89 (N52 Engine) JB Racing Lightweight Aluminum F...

T#:2801

Part#: 520-200-240

In Stock

$ 714.00 USD

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$ 714.00 USD

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Aluminum flywheels are much lighter than the stock steel flywheel and that produces better throttle response and more available horsepower to the wheels for faster acceleration. The JB Racing aluminum flywheels are a direct replacement for the stock flywheel and work with stock clutch components for an easy upgrade with very little downside.

Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. The weight difference between an aluminum and steel flywheel is huge - sometimes more than 50% less. Without the additional mass, more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. Again, the difference is huge as you watch the revs build faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

The JB lightweight flywheel is designed to be used with a factory organic clutch - the same clutch kit that you would get from any BMW dealer. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches. By using the factory BMW clutch, JB has also made the whole assembly easy to live with when used on the street. The clutch behaves the same as it originally did - just with better throttle response and more power! The JB flywheel can also be rebuilt with a new clutch contact surface - you don't have to buy a new flywheel.

Aluminum flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch).

This JB flywheel replaces the stock flywheel and can be used with either the stock 228mm or stock 240mm clutch discs. Depending on the model you may have either clutch size in your car but this flywheel is compatible with both. You can install a 240mm clutch as a mild upgrade.

Stock Flywheel Weight = 24-31.0lbs
JB Flywheel Weight = 12.0lbs

This item fits the following BMWs:
2006-2010 E60 BMW - 525i, 528i, 530i
2006-2013 E90, E91, E92, E93 BMW - 325i, 328i, 330i
2007-2013 E82 BMW - 125i, 128i
2006-2008 E85, E86 BMW - Z4 3.0i, Z4 3.0si
2009-later E89 BMW - Z4 3.0i

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Standalone Can-Bus Wiring Harness - H7 - Priced Each

T#:25971869

Part#: H210

In Stock

$ 39.00 USD

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$ 39.00 USD

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Upgrade your BMW's lighting system without the hassle of bulb out signals with the Canbus Lighting Control System Wire Harness from Turner Motorsport. Designed to address issues commonly encountered with HID lighting systems and LED bulbs, this wire harness features a built-in resistor pack. The resistor pack mimics the characteristics of a standard halogen bulb, ensuring proper functionality and preventing your vehicle's warning systems from being triggered incorrectly. Keep your BMW's lighting system functioning flawlessly with the Turner Motorsport Canbus Lighting Control System Wire Harness.

Prevents bulb out signals and warning system errors
Built-in resistor pack mimics standard halogen bulb characteristics
Ensures proper functionality of HID lighting systems and LED bulbs
Compatible with BMW models
Easy to install for quick and hassle-free upgrade

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BMC Filter Cleaning Kit

T#:590913

Part#: WA250-500

In Stock

$ 24.99 USD

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$ 24.99 USD

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1 SERIESCHROME PROJECTOR HEADLIGHT

T#:20946739

Part#: 2LHPE8708TM

Ships in 6 Business Days

$ 322.99 USD

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$ 322.99 USD

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Features Include: Brand new in original box New Euro-style LED strips for the European look! Matte Black Housing - Clear lens dual halo projector headlights with LED light strip Made by an ISO-certified manufacturer using materials that meet strict OEM requirements

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Macht Schnell Solid Aluminum Subframe Bushing Kit - E9X M3/E82 1M ...

T#:4648679

Part#: 69.10.100

Ships in 9 Business Days

$ 289.00 USD

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$ 289.00 USD

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Macht Schnell's aluminum bushing kit will breathe new life into aging 1M's and M3's, affixing the car's rear subframe and differential to the chassis. Rubber subframe bushings in the E9x M3 and E82 1M from the factory are soft, and yield under hard driving resulting in ever-changing suspension geometry and alignment specs. By limiting the movement of both the car's subframe and differential, these solid bushings will give the rear of the car a tremendously planted and confident feel.

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BMW E82 E88 Halo Projector Headlight Chrome Housing

T#:20946738

Part#: 2LHPE8708JMTM

In Stock

$ 282.99 USD

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$ 282.99 USD

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Features Include: Brand new in original box New Euro-style LED strips for the European look! Matte Black Housing - Clear lens dual halo projector headlights with LED light strip Made by an ISO-certified manufacturer using materials that meet strict OEM requirements

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Morimoto 2Stroke 4.0 9006 LED Conversion Bulbs - Pair

T#:26904913

Part#: LED2040KT

Ships in 6 Business Days

$ 240.00 USD

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$ 240.00 USD

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Introducing the 9006 2Stroke 4.0 LED Bulb: Revolutionize your driving experience with cutting-edge lighting technology. Crafted after a year of relentless innovation, these bulbs redefine clarity and safety on the road. The 2Stroke 4.0 boasts unparalleled beam quality, replicating the original optics pattern while reducing glare for oncoming traffic. With a slender 1.45mm emission surface, advanced PCB technology guarantees optimal performance. Achieve precise beam distribution with the filament-sized accuracy of the 2Stroke 4.0, making every drive secure and well-lit. Its adjustable base accommodates diverse reflectors, and the built-in cooling system ensures longevity, even in extreme conditions. Upgrade now and illuminate your journey with confidence.

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BMC Performance Air Filter - E90, E91, E92, E93, E89, E60, E61 ...

T#:398689

Part#: FB494/20

In Stock at Vendor

$ 100.99 USD

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$ 100.99 USD

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Looking to upgrade your air filter for increased flow and performance? BMC filter allow significantly higher air flow and are perfectly molded in one piece to fit exactly the same as your stock air filter. These filters are constructed from multi-layerd cotton gauze that is pre-oiled and can be cleaned and regenerated using the BMC regeneration kit.

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Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i ...

T#:340366

Part#: N55CP-KIT

Ships in 3 Business Days

Starting at $ 189.99 USD

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Starting at $ 189.99 USD

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One major weak point in the N55 turbo plumbing is the stock upper chargepipe from the intercooler outlet to the intake manifold. The original N55 charge pipe is made from a weak plastic and can fail with even stock boost levels. The most common problem is a crack that develops along a seam where the pipe connects to the throttle body. Any crack here is bad as it creates a massive vacuum leak and the engine electronics will put the car into limp mode. If you don't want to be sidelined there is a very simple fix - the Active Autowerke N55 charge pipe.

This aluminum pipe is much stronger and more durable and nearly indestructable for the N55 application. It uses a CNC-machined factory-style connection and o-ring to the throttle body to ensure a tight and leak-free seal. The piping is a consistent 3" diameter for better flow and an improved throttle response. AA has included a raised boss with two ports should you choose to add a water/meth injection system later. The factory MAP sensor installs in the same location and the pipe is powdercoated black for a factory-type appearance.

With a stronger pipe you don't have to worry about the infamous chargepipe crack and lost boost levels and horsepower. All of the boost in the world is useless if it's leaking so using beefed up components in place of the weak factory pieces is the smart way to consistently high power output.

This item fits the following BMWs with the N55 engine:
2011-2012 E82 BMW 135i
2011 E90 BMW 335i 335xi 335i xDrive - Sedan
2011-2013 E92 BMW 335i 335is 335xi 335i xDrive - Coupe
2011-2013 E93 BMW 335i - Convertible

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Active Autowerke N54 Blow Off Valve Kit - E82 135i, 1M, E9X 335i ...

T#:4416

Part#: AABOVKIT-N54

In Stock

$ 565.99

This product was last offered at the strikethrough price on
09-01-2026

$ 529.99 USD

Limited Qty Sale

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$ 565.99

This product was last offered at the strikethrough price on
09-01-2026

$ 529.99 USD

Limited Qty Sale

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When adding boost to the N54 engine, it's important to consider effects throughout the rest of the system. Additional boost can overwhelm the stock BMW diverter valve system and lead to boost leakage, or boost spikes, and lost horsepower. With the factory components in place it's hard to maintain consistently high boost levels. Instead of the weak plastic components of the stock system, Active Autowerke uses a CNC-machined and mandrel-bent aluminum tube with a Venturi blow-off valve in place of the original diverter valves. The blow-off valve dumps overboost into the atmosphere for that distinctive turbo 'whoosh' sound. The single AA BOV is over-sized for the N54 application - taking the place of the two small diverter valves, and verified to handle over 600hp. With the BOV acting properly your turbos and other components are protected from compressor surge caused by excess pressure build-up.

We like the Active BOV better than other forms of diverter and BOV kits because it's tried and true - AA was the original turbo BMW tuners and their experience is second to none. That's why they took the time to engineer their kit to fit perfectly, using the OE-type connector to the throttle body, and high-strength silicone to the lower intercooler tube. Each connection is a tight, leak-free seal. The kit comes complete with the discharge tube, vacuum plugs for the stock hoses, and instructions. The tube is powdercoated in black and with a wrinkle finish for an OE appearance.

This item fits the following BMWs with N54 engine:
2008-2010 E82 BMW 135i 1M
2007-2010 E90 BMW 335i 335xi 335i xDrive
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive
2007-2010 E93 BMW 335i

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BMC Performance Air Filter - E90, E91, E92, E93, E84

T#:398704

Part#: FB630/20

In Stock at Vendor

$ 95.99 USD

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$ 95.99 USD

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Looking to upgrade your air filter for increased flow and performance? BMC filter allow significantly higher air flow and are perfectly molded in one piece to fit exactly the same as your stock air filter. These filters are constructed from multi-layerd cotton gauze that is pre-oiled and can be cleaned and regenerated using the BMC regeneration kit.

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Active Autowerke Signature Trunk Emblem

T#:590914

Part#: AASIGNATUREPLAQU

Ships in 3 Business Days

4% off MSRP $ 45.00

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

$ 43.00 USD

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4% off MSRP

$ 45.00

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

$ 43.00 USD

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Stand out from the crowd, and give them a hint of what you've got going on under the hood, with the official Active Autowerke Signature Emblem! The emblem can be placed anywhere on the exterior, or interior of your BMW. Hefty stainless steel construction and durable double-sided tape will help ensure that it is never lost, even at speeds over 170+ MPH...Don't ask us how we know! Represent your favorite BMW tuner for all to see today!

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N55 Charge Pipe Upgrade

T#:341887

Part#: 135N55CP-KIT

Ships in 3 Business Days

$ 189.99 USD

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$ 189.99 USD

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Akrapovic Slip-On Titanium Exhaust System - E82 1M Coupe

T#:340330

Part#: TMS4781

Ships in 5 Business Days

Starting at $ 5,403.80 USD

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Starting at $ 5,403.80 USD

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According to BMW the 1 Series M Coupe is a "predator on the prowl", why not give it some GROWL with the Akrapovic slip-on exhaust system.

This slip-on muffler is an "axle back" system that is mounted on the MotoGP 1M Coupe Safety Car and now is available for street going 1M Coupes. The Akrapovic Slip-On Titanium exhaust system for the BMW 1M Coupe is designed for drivers who demand more power and less weight. In addition to a weight reduction and a power gain, one of the tasks of the Akrapovic team was also to make the sound of the 1M Coupe become music to ones ears. An optional wireless "dualmode" exhaust flap control allows the vehicle to have a more civilized, but deeper than stock sound at low speed. However, when the exhaust flap is opened the muffler is bypassed, creating a deep and sporty sound much more in keeping with the personality of the car.

Not for sale outside the US or Canada.

This item fits the following BMWs:
2011+ E82 BMW 1M Coupe

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Active Autowerke N55 Chargepipe Upgrade - E82 135i, E9X 335i ...

T#:388675

Part#: 340366TCKD4AMN6T

Ships in 3 Business Days

$ 189.99 USD

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$ 189.99 USD

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Green Filter Cleaning Kit

T#:397308

Part#: 15-011

Ships in 3 Business Days

$ 32.99 USD

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$ 32.99 USD

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Includes Recharge Oil (8 oz.) and Cleaner Spray (12 oz.). The recharge oil traps the smallest dirt particles, ensuring your engine is breathing clean air. The oil creates a positive magnetic charge with the filter's stainless steel mesh. This positive charge attracts negatively charged dust particles entering the filter, clearing them off the cotton and allowing for maximum airflow. The oil also contains a swelling additive for the cotton filtration media - this allows filtration media to collect small dirt particles that could harm your engine.

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Macht Schnell Ashtray Gauge Panel - E82

T#:4648663

Part#: 50.10.020

Ships in 8 Business Days

$ 49.00 USD

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$ 49.00 USD

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Macht Schnell's gauge panel is designed to be a direct replacement for the stock ashtray in the E82. This panel mounts using factory ashtray mounting holes and no unnecessary modification is required. The textured plastic is composed of ABS plastic that resists warping or bending in high heat and feels similar in touch to OEM. *Please contact us for custom painting options. Designed for 52mm gauges.

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Seatbelt 4-point Race Harness Receptacles - Macht Schnell

T#:338505

Part#: 79.12.15X

Ships on Oct 2, 2026

Starting at $ 125.00 USD

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Starting at $ 125.00 USD

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If you're going to use a 4 point racing harness with your racing or sport seat and don't want to drill through your floor and carpet, these harness adapter plates are perfect*. These sandwich in between your slider and seat bracket for a strong and secure mounting point. They are made from high-strength steel and powedercoated in stealthy black. Choose from a bolt-in or clip-in style harness end. These will only work with the Macht Schnell floor mounts.

* - note that most racing harness manufacturers will advise that drilling through the floor is the best method for mounting harnesses. This allows you to locate the mount in the ideal location and angle to fit your driving position. The proper installation is paramount to ensure the harness works correctly in an impact.

Sold per seat.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
1992-1998 E36 BMW 318i 318is 318ti 323is 325i 325is 328i 328is M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 (not convertibles)
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe

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BMC Performance Air Filter - E82/8 E9X N52

T#:397417

Part#: FB518/08

Back Ordered

$ 83.99 USD

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$ 83.99 USD

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Looking to upgrade your air filter for increased flow and performance? BMC filter allow significantly higher air flow and are perfectly molded in one piece to fit exactly the same as your stock air filter. These filters are constructed from multi-layerd cotton gauze that is pre-oiled and can be cleaned and regenerated using the BMC regeneration kit.

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Heavy Duty LED Load Resistor - Price Each

T#:28869555

Part#: LED420.2

In Stock

$ 17.99 USD

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$ 17.99 USD

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Active Autowerke Rotrex Traction Fluid - 1 Liter

T#:57616348

Part#: RTF-1L

Ships in 3 Business Days

$ 240.00 USD

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$ 240.00 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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AP Racing By Essex Radi-CAL ENP Competition Brake Kit (Front 9668/372...

T#:57086655

Part#: 13.01.10038

Ships in 10 Business Days

$ 6,687.99

This product was last offered at the strikethrough price on
08-26-2026

$ 6,199.00 USD

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$ 6,199.00 USD

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Electroless Nickel Plated Front Competition Brake Kit

OS Giken Superlock Limited Slip Differential Unit - E82 135i, E9X 335...

T#:338590

Part#: BM531-HA

Ships in 2 Business Days

Starting at $ 3,700.00 USD

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Starting at $ 3,700.00 USD

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video: E92 335i with limited slip

click for high quality

A turbocharged BMW such as the 135i or 335i needs traction to put that power to the ground. The stock differential of both the 135i and 335i only put power to one wheel -- this just won't cut it! Upgrading to a limited slip differential means power to BOTH wheels, for better lauch, acceleration, and track handling. We're excited to be carrying the OS Giken LSD unit in our performance catalog, as we've used their products on our own Championship winning E46 and E92 race cars.

With the 135i/335i LSD unit, they have incorporated revolutionary new ideas into the design (4 years in the making!) which uses an unprecedented number of friction plates (up to 28 total!) for better locking force, better engagement/disengagement, and less generated heat. The end result of their efforts is the OS Giken's OS Super Lock LSD which offers incredible durability and reliability on street and track driven BMWs. The use of highest quality materials, precise machining, forged gears and sound engineering makes this LSD durable and reliable enough for road racing performance (which we can personally vouch for!). Zero break-in required. Super smooth and quiet engagement, and 100% progressive locking capability.

Installation note: BMW differentials use many unique and BMW-only parts and components. Only technicians who are experienced and familiar with BMW parts should perform the installation. The OS Giken LSD is the limited slip unit (or 'chunk') only. It replaces the stock non-LSD chunk but the original ring and pinion and other internals must be installed with the OS Giken unit. This unit will only work on 335i manual differentials with a bolt-in or modified ring gear. Proper setup and spacing is critical for long life operation. Incorrect installation will void the warranty. We also offer the TCD unit pre-installed - see our performance diff catalog for more info.

The OS Giken Superlock Diff unit fits the following BMWs:
2008-2012 E82 BMW 135i with manual transmission
2007-2011 E90 BMW 335i - Sedan with manual transmission
2007-2013 E92 BMW 335i 335is - Coupe with manual transmission
2007-2013 E93 BMW 335i - Convertible with manual transmission

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OS Giken TractionControl Limited Slip Differential Unit - E82 135i, E...

T#:338591

Part#: BM531-HC

Ships in 2 Business Days

Starting at $ 2,550.00 USD

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Starting at $ 2,550.00 USD

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video: E92 335i with limited slip

click for high quality

A turbocharged BMW such as the 135i or 335i needs traction to put that power to the ground. The stock differential of both the 135i and 335i only put power to one wheel -- this just won't cut it! Upgrading to a limited slip differential means power to BOTH wheels, for better launch, acceleration, grip, and track handling. We're excited to be carrying the OS Giken LSD unit in our performance catalog, as we've used their products on our own Championship winning E46 and E92 race cars.

OS Giken's newest innovation is their quietest and smoothest limited slip unit yet - the Traction Control Differential (TCD). TCD is similar to their excellent Superlock differentials but with additional oil channels and pathways. The added lubrication makes diff operation smoother and quieter than before (not that there were many complaints to begin with). The locking engagement is more progressive than before which makes this diff more suitable for street driving. Track cars and drift cars should still use the Superlock LSD as it will transition to lock sooner. TCD is an evolution of a diff that was already extremely well-engineered for road and track use. Not willing to rest on their laurels, they took their superior engineering a step further.

With the 135i/335i LSD unit, they have incorporated revolutionary ideas into the overall limited-slip design which uses an unprecedented number of friction plates (up to 28 total!) for better locking force, better engagement/disengagement, and less generated heat. The use of highest quality materials, precise machining, forged gears, and sound engineering makes this LSD durable and reliable enough for road racing performance (which we can personally vouch for!). Zero break-in required. 100% progressive locking capability.

Installation note: BMW differentials use many unique and BMW-only parts and components. Only technicians who are experienced and familiar with BMW parts should perform the installation. The OS Giken LSD is the limited slip unit (or 'chunk') only. It replaces the stock non-LSD chunk but the original ring and pinion and other internals must be installed with the OS Giken unit. This unit will only work on 335i manual differentials with a bolt-in or modified ring gear. Proper setup and spacing is critical for long life operation. Incorrect installation will void the warranty. We also offer the TCD unit pre-installed - see our performance diff catalog for more info.

The OS Giken TCD Diff unit fits the following BMWs:
2008-2012 E82 BMW 135i with manual transmission
2007-2011 E90 BMW 335i - Sedan with manual transmission
2007-2013 E92 BMW 335i 335is - Coupe with manual transmission
2007-2013 E93 BMW 335i - Convertible with manual transmission

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AP Racing By Essex Radi-CAL ENP Competition Brake Kit (Rear 9449/340m...

T#:57086656

Part#: 13.01.10053

Ships in 10 Business Days

$ 5,447.99

This product was last offered at the strikethrough price on
08-26-2026

$ 5,049.00 USD

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$ 5,049.00 USD

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Electroless Nickel Plated Rear Competition Brake Kit

Seatbelt 6-point Race Harness Receptacles - Macht Schnell

T#:338507

Part#: 79.20.150K

Ships on Oct 2, 2026

Starting at $ 174.00 USD

Add to Wish List

Starting at $ 174.00 USD

Add to Wish List

Many racing series and event organizers are requiring 5 or 6-point harnesses in their events now. Attaching the anchor points to the seat base is a desired alternative to drilling holes in your floor and carpet*. This set includes the 6-point anchor to attach to the Macht Schnell floor mount as well as side attachments for either a bolt-in or snap-in harness.

* - note that most racing harness manufacturers will advise that drilling through the floor is the best method for mounting harnesses. This allows you to locate the mount in the ideal location and angle to fit your driving position. The proper installation is paramount to ensure the harness works correctly in an impact.

Sold per seat.

This item fits the following BMWs:
2008-2012 E82 BMW 128i 135i 1M Coupe
1992-1998 E36 BMW 318i 318is 318ti 323is 325i 325is 328i 328is M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3 (not convertibles)
2006-2011 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335d 335i 335xi 335i xDrive M3 - Sedan
2006-2012 E91 BMW 325xi 328i 328xi 328i xDrive - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3 - Coupe
2003-2008 E85 BMW Z4 2.5i Z4 3.0i Z4 3.0si Z4 M Roadster M Coupe

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