BMW 5 Series E34 (1987-1995)

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Active Autowerke - Corporate Logo
T#:397222
Part#: 14-009
Ships in 10 Business Days
$ 56.99 USD
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$ 56.99 USD
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Plastic thermostat housing cracked on your M50?

Here are your choices: you can wait for the plastic factory thermostat housing cover to break and cause major overheating. (Even with a new stock cover, it won’t take long.) Or you can install a thoughtfully engineered all-aluminum thermostat housing cover from Active Autowerke and never experience this type of failure again. Currently there is no factory upgraded part to this problem. This is an aluminum extruded part that has all of the openings machine properly to fit like factory; from the mounting bolt holes, the seating of the thermostat to the sealing opening for the ORANGE gasket. Forged to exact factory tolerances, everything fits and this unit is a true easy bolt-on – especially suited for racing or load conditions like heavy traffic, where engine temp can rise rapidly. The housing is guaranteed never to break from overheating or over-tightening, and its CNC machined surface ensures a precise seat.

Unit comes complete with a new ORANGE sealing gasket; a new thermostat is recommended but not included.
For hotter climates, a 71 degree thermostat is recommended over the 82 degree unit.

Anything and everything BMW is the mantra at Active Autowerke. Since 1981 they have been serving the BMW community with custom turbocharger kits to a myriad of other innovative and inspiring performance parts.
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Active Autowerke - Corporate Logo
T#:397307
Part#: 12-032
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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Active Autowerke - Corporate Logo
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
Only available at this price
Free Shipping
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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South Bend Clutch - Corporate Logo
T#:28337810
Part#: K03036HDO
Ships in 1 Business Day
$ 1,236.99 USD
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$ 1,236.99 USD
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Upgrade to South Bend Clutch's Stage 2 Daily Clutch Kit for your e34 M5! Input Shaft Spline Count: 10 Input Shaft Diameter: 1.13” Disc Diameter: 9” Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: Yes Flywheel Included: No
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South Bend Clutch - Corporate Logo
T#:28304420
Part#: K03036HDDXD
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$ 1,428.99 USD
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$ 1,428.99 USD
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Upgrade to South Bend Clutch's Stage 2 Drag Clutch Kit for your e34 M5 Input Shaft Spline Count: 10 Input Shaft Diameter: 1.13" Disc Diameter: 9.5" Disc Material: Organic Disc Style: Full-Face Hub Style: Sprung Pressure Plate Style: Diaphragm Throwout Bearing Included: Yes Alignment Tool Included: Yes Pilot Bushing Included: Yes Flywheel Included: No
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South Bend Clutch - Corporate Logo
T#:14585023
Part#: KF776-HD
Ships in 1 Business Day
$ 811.99 USD
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$ 811.99 USD
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Designed for spirited and daily driving, the South Bend Clutch Stage 1 clutch kits make for a great OEM replacement when your factory clutch gives out. The pressure plate included in this clutch kit has an increased clamp load that promotes longer life, and the disc is dual dampened for smooth engagement and increased transmission life. The disc has also been designed with premium friction materials, which will ensure for rapid heat dissipation and will help to increase the life of the clutch. Select the Stage 1 clutch kit designed for OE replacement or your performance application.
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South Bend Clutch - Corporate Logo
T#:377799
Part#: KF649HDDXDB
Ships in 1 Business Day
$ 846.99 USD
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This clutch kit is equipped with a heavy-duty pressure plate optimized for a puck-style disc without cushioning between the linings to ensure short and responsive clutch pedal travel. The puck-style disc reduces rotational mass and drive surface area while increasing the pressure per square inch on the friction material. This setup minimizes inertia, enhancing torque transfer from the engine to the wheels. The friction material, a graphite-impregnated ceramic, is specifically chosen for race applications due to its superior performance in durability, reduced chatter, efficient heat transfer, and high torque capacity.

Stage 2 Drag/Drift Clutch Kits:

Recommended uses are drag racing, drifting and limited street

Conservatively rated to hold 370lbs/ft of torque.

Featuring a sprung-hub center section for use with a single-mass flywheel

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Beru - Corporate Logo
T#:596874
Part#: 12621288158
Ships in 1 day
$ 44.99 USD
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$ 44.99 USD
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M14x1.5 Thread. Your vehicle is equipped with numerous gauges to allow you to have a better idea of what is going on under the hood. By monitoring these gauges, you can prevent premature engine damage due to low oil pressure or high coolant temperatures. If one isn't functional though, you are in the dark as far as that system goes. One of the most vital is coolant temperature. Replace the sensor to get your gauge working properly again.
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Beru - Corporate Logo
T#:367498
Part#: 12131730521
Ships in 1 day
$ 14.99

This product was last offered at the strikethrough price on
05-07-2026

$ 13.99 USD
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$ 13.99 USD
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Connects coil pack to spark plug