BMW Cooling System Parts & Accessories for BMW E30 M3 S14 2.3L

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The cooling system is arguably the weakest point in numerous BMWs. If you drive an aging BMW or plan on taking your car to the track like we do, we recommend beefing up your cooling system before going to the track. Generally, the main components in your cooling system that are prone to failure include the following: expansion tank, factory hoses, water pump, thermostat, fan (especially if your vehicle comes factory with a clutch fan), and radiator. Factory BMW expansion tanks are plastic and prone to either breaking off at connection points or combusting. As factory rubber hoses age they either crack or break over time - we offer silicone cooling hose upgrades for most applications to avoid future failures. If you have an older vehicle, your water pump likely comes from the factory with a plastic impeller - we offer upgraded water pumps with metal impellers that are far more reliable. Newer model BMWs utilize electric water pumps - BMW spent millions of dollars engineering these water pumps, but they fail so often that we recommend replacing at 60,000 mile service intervals to avoid being stranded on the side of the road. In terms of thermostats, we offer various upgraded thermostats for racing applications. If your BMW utilizes a clutch fan from the factory, we have several options available in terms of universal electric fans - we recommend replacing these to avoid sending brittle plastic fan blades through your hood. For radiators, we recommend swapping out your radiator for one that does not use plastic connection points like your factory radiator.

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Water Hose Set - E30 M3
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Packaged by Turner - Corporate Logo
T#:3449
Part#: 11531309667KIT
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$ 166.87 USD
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This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Turner OEM Water Hose Set - E30 M3
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    T#:338252
    Part#: 11531309667KIT
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    Starting at $ 206.20 USD
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    This pacakge of six rubber cooling hoses for the E30 M3 includes most of the commonly replaced coolant lines on the S14. Set includes -
  • upper radiator hose from the large metal coolant pipe, #23 in the diagram
  • top thermostat hose to the large metal coolant pipe, #15 in the diagram
  • middle thermostat hose (T-shaped) to the small metal coolant pipe and to the water pump, #13 in the diagram
  • lower thermostat hose to the bottom of radiator, #22 in the diagram
  • lower radiator hose to coolant pipe, #24 in the diagram
  • expansion tank hose to the small metal coolant pipe, #17 in the diagram
    We use a mix if OE BMW and aftermarket hoses that we trust. This is the original E30 M3 Cooling Hose kit that we have been selling for 20 years. Looking for hose clamps too? We have OEM-style clamps for these too, select this in the options list below.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    Complete Cooling System Overhaul Package - 1988-1991 E30 M3
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    T#:338650
    Part#: TMS16418
    Ships in 1 day
    Starting at $ 692.99 USD
    Starting at $ 692.99 USD
    This cooling package for the E30 M3 consists of all of the major components on the S14's cooling system. There are no major weak points to the E30's cooling system, unless you count skipped maintenance. The entire system is serviceable in individual components so you don't need to buy a complete package of parts. Many of the indivdual parts are on our site but we have setup this package to cover all or most of what you would need to perform a major overhaul. This overhaul package consists of an Genuine BMW radiator and then you build the package from there. Add hoses, sensors, water pumps, thermostats, gaskets, hose clamps, and more. We also sell the Original BMW antifreeze to finish off the job.

    Any problems with the cooling system are likely electrical. Sensors become corroded and fail over time which will send the incorrect signal to the corresponding unit, including the engine computer. Diagnosis of electrical type problems is easy and repair with the OEM Bosch or OE BMW sensors is not too expensive for a car like this. Electrical connections, particularly solder joints, can also become brittle and fail. These are not helped by the intense vibrations of the S14.

    Top Turner Tip for a healthy S14!
    E30 M3s always seem to have cooling problems at the most inconvenient time. If the temp gauge starts rising in the summer months first check and make sure your auxiliary cooling fan is working if it's not it's most likely the switch or the wiring going to the switch. Also remember that the E30 instrument conductor plate can make the gauge read whacky try tapping the gauge if it seems like it's acting up. When it's time to do a water pump (which weeps through a hole on the bottom before it goes completely) take a good look at the radiator too its not expensive and you have to remove it to install the pump anyway.

    Use the options below to build your package.

    This cooling package fits the following BMWs:
    1988-1991 E30 BMW M3
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    Water Pump - E30 M3
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    T#:337980
    Part#: 11511315211
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    Starting at $ 299.99 USD
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    Starting at $ 299.99 USD
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    This is the stock replacement water pump for the E30 M3. This is the Genuine BMW pump and includes a new OE BMW gasket. It's always a good idea to have one as a spare. Even if it sits on your shelf for awhile it's going to be used at some point (and prices for Genuine E30 M3 parts aren't getting any lower). Aftermarket pumps have been in short supply and the quality hasn't been as good as the Original BMW pump so we have decided to stop offering aftermarket brands like Laso or Saleri. This is the Genuine BMW part, straight from BMW.

    This item fits the following BMWs:
    1987-1991 E30 BMW M3
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    Stock Replacement Radiator - E30 M3
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    Packaged by Turner - Corporate Logo
    T#:338019
    Part#: 17112225592
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    Starting at $ 347.99 USD
    Starting at $ 347.99 USD
    This is a new stock E30 M3 Radiator. We offer both Genuine BMW or Nissens brand radaitors. The Genuine BMW radiator is the highest quality radiator available. The Nissens is a high quality aftermarket radatior.

    This item fits the following BMWs:
    1988-1991 E30 BMW M3
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    OEM Style Hose Clamps
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    Turner Motorsport - Corporate Logo
    T#:338927
    Part#: HOSE-CLAMPS
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    Hose clamps for radiator hoses, coolant hoses, vacuum hoses, or intake hoses. These hose clamps are the same style as your OEM hoses with a smooth inside band to prevent cutting into the hose material.
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    BMW Antifreeze Coolant - 1 Gallon
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    Genuine BMW - Corporate Logo
    T#:1474
    Part#: 82141467704
    In Stock
    6% off MSRP $ 28.25

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    $ 26.48 USD
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    $ 26.48 USD
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    The use of Original BMW Anti-Freeze/Coolant will ensure sufficient cooling in summer and protection against freeze-ups in winter. BMW Antifreeze/Coolant will also guard your vehicle's various engine components against corrosion.
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    PENTOFROST NF 50/50 Antifreeze / Coolant Prediluted / Premixed - 1 G...
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    Pentosin - Corporate Logo
    T#:34181293
    Part#: 8114308
    In Stock
    $ 20.99 USD
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    Mishimoto Adjustable Fan Controller Kit
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    Mishimoto - Corporate Logo
    T#:363510
    Part#: MMFANCNTLUPROBE
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    $ 88.99 USD
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    $ 98.00

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    $ 88.99 USD
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    Take Control of Your Engine Cooling Fan with Mishimoto's Manual Fan Controller Kit

    Ensure your engine runs at the perfect temperature by using this versatile manual fan controller system, compatible with all 12v fan-equipped vehicles. With adjustable activation temperature settings ranging from 150°F to 240°F, you have precise control over your engine's cooling fan. The kit includes a probe-style temperature sensor and a generous 7 feet of wire, making it suitable for installation in vehicles of various sizes.

    For added convenience, the system is equipped with a built-in A/C override feature, ensuring your cooling system works seamlessly. It's designed to work with one or two electric fans drawing a combined 25 amps or less. The package includes all the essential wiring connectors and hardware needed for a trouble-free installation.

    With a lifetime warranty from Mishimoto, you can trust in the quality and durability of this manual fan controller kit.

    WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to all companies selling products in California.

    Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warnings, visit www.P65Warnings.ca.gov.

    WARNING! Prog 65 may apply to this product.Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm.For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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    Schwaben Coolant Refill/Air Purge Tool
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    Schwaben - Corporate Logo
    T#:362940
    Part#: 003466SCH01
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    When it comes to BMW's we all know the weak point is commonly in the cooling system, many models proving hard to bleed the air pockets out after the refresh. The coolant refill tool solves this problem, ensuring that you get an air pocket free fill. The entire task is as simple as draining the system like normal, reinstalling the drain plugs and hooking the tool up to your refill location. The reason this tool works so well is due to the venturi valve, it converts air pressure from the compressor to vacuum inside the cooling system, then with a twist of a valve sucks coolant right into the system using the vacuum pressure.
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    Achilles Motorsport OBD1-to-OBD2 Coolant Hose Adapter - BMW M52 S52 E...
    For models with a OBD2 24v Swap (M5X, S5X engines) only!
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    Achilles Motorsports - Corporate Logo
    T#:1150775
    Part#: 11-AM-CHCAP-OBD1
    Ships in 3 Business Days
    $ 54.99 USD
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    $ 54.99 USD
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    OBD2 to OBD1 Conversion Coolant Hose Adapter for E36 M52 & S52 Engines Replaces the metal pipe from the OBD2 engines with a hose adapter that allows the installation of a normal OBD1 coolant hose. This is useful when converting an OBD2 Engine to OBD1, or when swapping OBD2 engines into a car that is originally OBD1 (like an E30). The simple kit comes complete with the necessary 2 O-rings, extended bolt, Nylon Lock Nut & washers to make this a quick install. No need to wait! It is also completely reversible!
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    Coolant Vacuum Purge & Refill Tool Set
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    Schwaben - Corporate Logo
    T#:402498
    Part#: 024948SCH01A
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    The Schwaben Coolant Vacuum Fill Tool ensures no air pockets get into your cooling system while you're replacing your coolant - intended for use to refill your cooling system, not for removal. Can be used with Schwaben fluid extractors or with shop air - standard air compressor with a minimum rating of 90 PSI (6.2 bar). Includes all fittings and adapters necessary for use, with a molded storage case to keep your Schwaben Vacuum Fill Tool pristine for future use.
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    Spal Universal 16" Low Profile Electric Fan
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    Spal - Corporate Logo
    T#:583648
    Part#: 30100400
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    $ 111.99 USD
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    Low profile design makes an easy fit when clearance is an issue. 1300 CFM.
    Spal Electric Fan Harness with Relay - 185 Degree Switch
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    Spal - Corporate Logo
    T#:598892
    Part#: 185FH
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    $ 165.99 USD
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    SPAL® electric fan wiring harness kits are a must-have when installing electric fans. Designed to safely integrate with OEM wiring, the SPAL kits feature a waterproof relay along with printed wires which aid in installation. The wiring kits also feature stainless steel switches with optional switched override capability, fuse holder, and wiring connectors. Features: Makes installation of your new fan a breeze Designed to safely integrate with OEM wiring Feature a waterproof 10/40 amp relay with printed wires for easy installation Kit features a 3/8” NPT thermos-switch and a 3/8” to ½” NPT adapter Harness is designed for 12V systems only
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    Febi Auxiliary Fan Switch - 82�C - E12, E21, E23, E24, E28, E3, ...
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    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:10520
    Part#: 61311364272
    In Stock
    $ 20.99 USD
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    CHASSIS ELECTRICAL TEMPERATURE SWITCH 61311364272

    OEM Bosch Coolant Temperature Sensor - E36 318i 325i M3 1992-1995, E3...
    For vehicles with production date from 12/1984
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    Bosch - Corporate Logo
    T#:7259
    Part#: 13621709967
    In Stock
    $ 24.23 USD
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    $ 24.23 USD
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    To make sure your temperature readings are as accurate as possible, replace your temperature sensor with a high quality OEM Bosch temperature sensor.

    OEM replacement for BMW part # 13621709967, 13621709966, and 13621284397. Bosch coolant temperature sensor mounted in the cylinder head on models with the M42, M50 and S50 engines.

    Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

    As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


    This item fits the following BMWs:
    1988-1991 E30 BMW 318i 318is 318ic M3
    1992-1995 E36 BMW 318i 318is 318ti 318ic 325i 325is 325ic M3
    3/1987-1988 E28 BMW 528e
    1985-1988 E28 BMW535i 535is M5
    1989-1995 E34 BMW 525i 535i M5
    1985-1989 E24 BMW 635csi M6
    1984-1987 E23 BMW 735i
    1988-1992 E32 BMW 735i 735il

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    Race German Coolant Temperature Sender Adapter - M12x1.5
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    Race German - Corporate Logo
    T#:6827887
    Part#: RGCTSAM12
    In Stock
    $ 35.99 USD
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    Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for M12x1.5 sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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    Radiator Fan Switch
    For vehicles with production date from 09/1987
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    2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
    URO - Corporate Logo
    T#:361996
    Part#: 61311378073
    In Stock
    $ 26.44 USD
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    $ 26.44 USD
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    Measures radiator air temperature enabling the fan to turn off or on

    Bav Auto Spill-Proof Coolant / Antifreeze Funnel
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    Bav Auto Tools - Corporate Logo
    T#:580395
    Part#: B8800082
    In Stock
    Sale - Save 15% $ 32.99

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    $ 28.04 USD
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    Multiple adapters include to fit a variety of vehicles.
    Powerflex BMW E30 - E36 - E46 Offset Lower Radiator Mounts
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    Powerflex - Corporate Logo
    T#:34315165
    Part#: PFF5-4652H
    In Stock
    $ 42.99 USD
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    T

    The BMW E30 / E36 / E46 Offset Lower Radiator Mounts are designed to provide enhanced support and positioning for the radiator in BMW models, specifically the E30, E36, and E46. These mounts are a practical upgrade for vehicles that require extra clearance, especially when using aftermarket or larger radiators in performance builds.

    Key Features:

    1. Offset Design for Increased Clearance:

      • The offset configuration of these mounts offers additional room, making them ideal for accommodating larger radiators or custom cooling setups. This ensures proper fitment, especially in high-performance or modified vehicles.
    2. Stable and Secure Mounting:

      • These mounts provide firm support to keep the radiator securely in place, preventing unwanted movement or vibration, which is crucial for maintaining the cooling system’s efficiency during intense driving conditions.
    3. Durability and Heat Resistance:

      • Built from high-quality, heat-resistant materials, these mounts are designed to withstand the rigors of both daily driving and track use. They ensure long-lasting performance even under high temperatures and stress.
    4. Optimized Cooling Performance:

      • By ensuring the radiator is properly aligned and secured, these mounts help maximize the cooling system's performance. Proper positioning allows for efficient airflow through the radiator, which is vital for preventing overheating during demanding driving situations.
    5. Easy Installation:

      • These offset radiator mounts are designed as a direct-fit replacement, making installation simple and straightforward. They are compatible with the BMW E30, E36, and E46, allowing for an easy upgrade to support larger or performance-focused radiators.
    6. Perfect for Modified and Performance Builds:

      • Whether you're upgrading to a high-capacity radiator or modifying your vehicle for improved performance, these mounts offer the extra flexibility and stability needed for customized setups.

    Benefits of Upgrading or Replacing:

    • Extra Clearance for Larger Radiators: The offset design allows for better fitment, especially when upgrading to a larger or aftermarket radiator.
    • Prevents Vibration and Damage: These mounts reduce the risk of damage caused by vibration or radiator movement, ensuring longer-lasting performance.
    • Enhanced Cooling Efficiency: Properly securing the radiator ensures that it can work at peak efficiency, leading to better cooling performance during high-demand driving.

    In summary, the BMW E30 / E36 / E46 Offset Lower Radiator Mounts are an excellent choice for enthusiasts looking to upgrade their cooling system or accommodate a larger radiator. Their durable construction, ease of installation, and offset design make them a valuable addition for performance builds or maintaining cooling system reliability in modified BMWs.

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    Genuine BMW Radiator Cap 1,4Bar - 17112227683 - E30,E30 M3, E28 M5 ...
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    Genuine BMW - Corporate Logo
    T#:22513
    Part#: 17112227683
    In Stock
    4% off MSRP $ 27.99

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

    $ 26.99 USD
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    4% off MSRP
    $ 27.99

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    $ 26.99 USD
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    Genuine BMW Radiator Cap - 1,4Bar
    This item fits the following BMW Chassis:
    E30 M3,E30

    Fits BMW Engines including:
    S14,S38


    Universal Black 16" Electric Fan
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    Mishimoto - Corporate Logo
    T#:363170
    Part#: MMFAN16
    In Stock at Vendor
    $ 115.99 USD
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    $ 115.99 USD
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    Radiator / Cooling System Pressure Tester- Bavarian Autosport ...
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    Bav Auto Tools - Corporate Logo
    T#:580397
    Part#: B8800084
    Ships on Jun 19, 2026
    Sale - Save 15% $ 146.99

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    $ 124.94 USD
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    Genuine BMW Over Flow Hose - E30
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    Genuine BMW - Corporate Logo
    T#:10213
    Part#: 51731911369
    Ships in 1-2 days
    2% off MSRP $ 45.99

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

    $ 44.99 USD
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    2% off MSRP
    $ 45.99

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    $ 44.99 USD
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    Genuine BMW Hose
    This item fits the following BMW Chassis:
    E30 M3,E30



    Facet Radiator Fan Switch - E24, E28, E30, E31, E32, E34, E36, Z3 ...
    For vehicles with production date from 09/1987
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    Facet - Corporate Logo
    T#:375144
    Part#: 61311378073
    Ships in 2 Business Days
    $ 44.99 USD
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    Measures radiator air temperature enabling the fan to turn off or on
    Red Line Supercool Performance Coolant - Concentrate - 1 Gallon ...
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    Redline - Corporate Logo
    T#:640437
    Part#: 81205
    In Stock
    $ 68.99 USD
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    Red Line SuperCool Concentrate fortified with WaterWetter is a concentrated antifreeze/coolant designed to maximize the performance of your cooling system with superior protection against cavitation corrosion/erosion. Using SuperCool Concentrate diluted with distilled water protects the entire cooling system keeping new components like new for 5 years/150,000 miles and prevents further damage to older components. Red Line’s proprietary coolant additive formula enhances the fluid’s ability to transfer heat, reducing operating temperatures by up to 20*F and prolonging the life of the entire cooling system. Red Line's SuperCool is an OAT coolant that is a Nitrate and Silicate Free product with its own proprietary corrosion technology to offer superior protection for aluminum engines found in all European vehicles, performance vehicles, as well as other applications. SuperCool will not void the factory warranty either. It can be used to top off the existing coolant of any BMW and will not cause any ill-effects on the cooling system because it is silicate and nitrate free. It is still better to flush it out and switch completely to SuperCool to get all the full benefits of the product in performance and protection.
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    Schwaben Locking Hose Clamp Pliers
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    Schwaben - Corporate Logo
    T#:377131
    Part#: 004170SCH01A
    In Stock
    Sale - Save 55% $ 63.99

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    $ 28.79 USD
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    These pliers feature a spring loaded clamp with a 24" cable and will lock onto the clamp and hold open for easy removal. These pliers are designed to remove metal or plastic self-tightening hose clamps with diameters from 11/16" to 2-1/2" ( 18 to 54mm).
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    Race German Coolant Temperature Sender Adapter - 1/8NPT
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    Race German - Corporate Logo
    T#:6827888
    Part#: RGCTSA1/8NPT
    Ships in 4 Business Days
    $ 35.99 USD
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    Race German has devoted themselves to providing quality products for late model BMWs that cover both street and track applications. Race German has now grown their catalog to a wide variety of models and products geared towards keeping your car looking and running nice. For those looking to install an aftermarket coolant temp gauge, Race German has the perfect accessory for you! This adapter is machined out of aluminum and splices into your upper radiator hose. Perfect for use with Race German's E30 temperature gauge but has compatibility with a wire variety of other cars as well! Features: Tapped for 1/8NPT sized sensor 38mm diameter outlets which fit most BMW hoses Includes 2x hose clamps **Does not include temp sensor
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    Condor Speed Shop V2 Fan Mounting Brackets For 16" SPAL Fans ...
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    Condor Speed Shop - Corporate Logo
    T#:577556
    Part#: SPALM
    Ships in 5 Business Days
    $ 66.99 USD
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    $ 66.99 USD
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    Stainless steel brackets for mounting a 16" SPAL fan on an OEM or aftermarket BMW radiator. The fan can be mounted on either side of the radiator. All mounting hardware is included. Fitment: e30, E36, E46
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    Coolant Level Sensor - E30 87-91, E32 E34
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    Febi - Corporate Logo
    T#:1728
    Part#: 61311378320
    Ships in 4 Business Days
    $ 23.49

    This product was last offered at the strikethrough price on
    06-03-2026

    $ 23.22 USD
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    $ 23.22 USD
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    Coolant level sensor for most E30, E32, and E34 cars. Fits E30 M3 and all E30 325's; E32 735, 740, and 750; and E34 530, 535, 540, and M5. 

    Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

    This item fits the following BMWs:
    1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325is 325ic 325xi M3
    1989-1995 E34 BMW 530i 535i 540i M5
    1987-1989 E24 BMW 635csi M6
    1988-1994 E32 BMW 735i 735il 740i 740il 750il

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    Bav Auto Fan Clutch Wrench - 32mm
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    Bav Auto Tools - Corporate Logo
    T#:580348
    Part#: B8800019
    In Stock
    Sale - Save 20% $ 29.99

    This product was last offered at the strikethrough price on
    05-03-2026

    $ 23.99 USD
    Free Shipping on orders $49 and up
    Sale - Save 20%
    $ 29.99

    This product was last offered at the strikethrough price on
    05-03-2026

    $ 23.99 USD
    Free Shipping on orders $49 and up
    Used to remove your fan clutch
    SPAL Fan Mounting Kit - E30 E36 E46
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    Spal - Corporate Logo
    T#:586078
    Part#: 30130011KT
    In Stock
    $ 51.99 USD
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    BMW Universal Oil Cooler - 19 Row - Black
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    Mishimoto - Corporate Logo
    T#:8933504
    Part#: MMOCULBK
    In Stock
    $ 536.99 USD
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    $ 536.99 USD
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    Ensure your BMW's engine performs at its peak with the installation of this highly efficient oil cooler from Mishimoto. Even in ideal driving conditions, elevated oil temperatures can lead to decreased pressure and compromised engine lubrication. This comprehensive kit includes four feet of stainless braided line, adapter fittings, and an oil filter sandwich adapter, all meticulously designed to reduce oil temperatures and uphold optimal driving circumstances.

    • Rows: 19
    • Overall Dimensions: 13" x 5.5" x 2"
    • Core Dimensions: 11.25" x 5.5" x 2"
    • Braided Hoses: 4ft .75 inch & 4ft 9 inch
    • Braided Hose Fittings: -10AN
    • Sandwich Plate Fittings: -10AN

    Please take into consideration that this product may be subject to Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968). Proposition 65 is a California law that applies to companies selling products in California and necessitates the disclosure of chemicals known to cause cancer, birth defects, or other reproductive harm when present at levels exceeding specified thresholds. For further information regarding California Prop 65 warnings, visit www.P65Warnings.ca.gov.

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    Condor Speed Shop SPAL Fan Relay Wiring Harness - E30, E34, E36 ...
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    Condor Speed Shop - Corporate Logo
    T#:28736800
    Part#: CSS-SPAL-RWK
    Ships in 2 Business Days
    $ 98.99 USD
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    Upgrade your E30 or E36 cooling system effortlessly with the Condor fan relay harness designed specifically for SPAL fans. This harness seamlessly integrates with your existing OEM radiator temperature switch (we recommend the 80/88c E36 sensor), making installation a breeze. Here are the key features of this kit:

    Seamless integration with OEM radiator temperature switch Compatibility with SPAL fans for efficient cooling Triggering of the relay when the temperature threshold is met Weatherproof fuse holder for added protection High-temperature wire for reliable performance Durable wire sleeving resistant to abrasion, chemicals, and UV rays Two easy-to-install options for connecting to the BMW radiator temperature switch, labeled for simplicity Experience consistent and effective fan operation with the Condor fan relay harness, ensuring optimal cooling performance for your vehicle.

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    Engine Coolant Temperature Sensor - E30 318is, 325e/es 325i/is/ix ...
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    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:340715
    Part#: 12621710512
    In Stock
    $ 20.99 USD
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    $ 20.99 USD
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    Radiator Pressure Tester Kit
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    Schwaben - Corporate Logo
    T#:391482
    Part#: 014710SCH01A
    Ships on Jul 10, 2026
    Sale - Save 30% $ 205.99

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

    $ 144.19 USD
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    Sale - Save 30%
    $ 205.99

    This product was last offered at the strikethrough price on
    05-03-2026

    $ 144.19 USD
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    Are you refreshing your coolant system or having issues with coolant loss? An easy way to test your system for leaks and ensure you're able to maintain pressure without coolant loss is the Schwaben Cooling System Pressure Tester Kit.
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    Mishimoto Universal Curved Blade Electrical Fan - 16"
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    Mishimoto - Corporate Logo
    T#:637390
    Part#: MMFAN-16C
    In Stock
    $ 117.99 USD
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    $ 117.99 USD
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    This curved blade fan can be used as an upgrade to the OEM fan for more efficient cooling or fitment issues with aftermarket products. With its slim design, the fan can easily be installed flush against a radiator. For universal installation, use Mishimoto universal fan mount kit, T#363171. Features: High-flow curved blade fan provides 1850 cfm of airflow Universal fitment Compact design with a diameter of 16" and an overall thickness of only 3.2" provides increased engine bay space Mishimoto Lifetime Warranty WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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    BMW & MINI Universal Oil Cooler - 10 Row
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    Mishimoto - Corporate Logo
    T#:29002063
    Part#: MMOC10
    In Stock
    $ 126.99 USD
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    BMW & MINI Universal Oil Cooler - 10 Row is a versatile cooling solution designed to enhance the performance and reliability of BMW and MINI vehicles. This high-quality oil cooler provides efficient cooling for the engine oil, ensuring optimal operating temperatures and extending the life of vital engine components.

    Crafted with precision engineering and durable materials, the BMW & MINI Universal Oil Cooler - 10 Row is compatible with a wide range of BMW and MINI models, offering versatility and ease of installation. It effectively dissipates heat from the engine oil, reducing the risk of overheating and engine damage.

    • Enhances performance and reliability of BMW and MINI vehicles
    • Efficient cooling for engine oil, ensuring optimal operating temperatures
    • Extends the life of vital engine components
    • Compatible with a wide range of BMW and MINI models
    • Versatile and easy to install
    • Crafted with precision engineering and durable materials

    Investing in the BMW & MINI Universal Oil Cooler - 10 Row is a smart choice for BMW and MINI owners looking to improve their vehicle's performance and longevity.

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    Universal Oil Cooler Black - 10 Row
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    Mishimoto - Corporate Logo
    T#:31291020
    Part#: MMOC10BK
    In Stock
    $ 126.99 USD
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    Universal Oil Cooler Black - 10 Row is engineered to maintain optimal oil temperatures and ensure peak engine performance under various driving conditions. This high-performance oil cooler effectively reduces oil temperatures, preventing a drop in pressure and maintaining proper engine lubrication. Featuring a robust 10-row design, it offers superior cooling efficiency compared to standard coolers.

    • Efficient Cooling: The 10-row design enhances cooling capacity to manage high oil temperatures effectively.
    • Durable Construction: Black finish provides durability and resistance to environmental factors.
    • Optimized Performance: Helps prevent a drop in oil pressure and maintains proper engine lubrication.
    • Versatile Fitment: Universal design suitable for various vehicles and applications.
    • Compact Size: Overall dimensions of 12.95" x 3.8" x 1.97" and core dimensions of 11" x 2.76" x 1.97" ensure a good fit in most engine bays.

    WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to all companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.

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    Universal 16" Electric puller Fan - Black
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    Spal - Corporate Logo
    T#:598821
    Part#: 30101516
    Ships in 3 Business Days
    $ 143.99 USD
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    $ 143.99 USD
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    1469 CFM. High performance puller fan with straight blades. This is a universal fan for applications that require more air flow or for engine compartments that have tight tolerances such as an aftermarket turbo set up that needs more clearance. This fan is universal and you must make it fit your application. It is not a direct bolt on. Made in Italy. Size: 16.3in x 15.75in x 2.48in Airflow (CFM): 1469
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    Race German Rethreaded Coolant Sensor
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    Race German - Corporate Logo
    T#:2602235
    Part#: 001-08-00-00-09
    Ships in 2 Business Days
    $ 50.00 USD
    Free Shipping on orders $49 and up
    Often overlooked item for your 24V E30 swap, this sensor is the best option for a plug and play solution to have a working temperature gauge when doing a engine swap.
    Genuine BMW Upper Radiator Hose - E30 M3
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    Genuine BMW - Corporate Logo
    T#:2305
    Part#: 11531309680
    Ships in 3 Business Days
    $ 28.99 USD
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    When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

    This Upper Radiator Hose fits the following BMWs:
    1988-1991 E30 3 Series M3

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    Trunk Tool Kit Water Pump Pliers - E36 E46 E30 E39
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    Genuine BMW - Corporate Logo
    T#:11239
    Part#: 71111179522
    Ships in 1-2 days
    4% off MSRP $ 47.99

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

    $ 45.99 USD
    Free Shipping on orders $49 and up
    4% off MSRP
    $ 47.99

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

    $ 45.99 USD
    Free Shipping on orders $49 and up
    Missing a tool from your trunk mounted tool kit? Replace your missing water pump pliers with this Genuine BMW part. Having a complete tool kit is handy for quick repairs or it can save you in case of roadside failures. Also a complete tool kitis must when selling a car. If the tool kit is missing parts, what else has been neglected on the car?

    This item fits the following BMWs:
    1970-1976 2002 BMW 1600 2002 2002tii
    1977-1983 E21 BMW 320i
    1984-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
    1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
    1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3
    1976-1978 E12 BMW 530i
    1982-1988 E28 BMW 528e
    1989-1995 E34 BMW 525i 530i 535i 540i M5
    1997-2003 E39 BMW 525i 528i 530i 540i M5
    1988-1994 E32 BMW 735i 735il 740i 740il 750il
    1995-2001 E38 BMW 740i 740il 750il
    1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
    1996-2000 Z3 BMW M Roadster M Coupe
    2000-2003 E52 BMW Z8 Roadster
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    Genuine BMW Coolant Temperature Sensor
    For vehicles with production date from 12/1984
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Genuine BMW - Corporate Logo
    T#:376804
    Part#: 13621709967
    Ships in 1-2 days
    7% off MSRP $ 82.99

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

    $ 76.99 USD
    Free Shipping
    7% off MSRP
    $ 82.99

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

    $ 76.99 USD
    Free Shipping

    Schwaben Locking Hose Pinch-Off Pliers
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    Schwaben - Corporate Logo
    T#:379950
    Part#: 009787SCH01A
    Ships in 5 Business Days
    Sale - Save 15% $ 39.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 33.99 USD
    Free Shipping on orders $49 and up
    Sale - Save 15%
    $ 39.99

    This product was last offered at the strikethrough price on
    05-02-2026

    $ 33.99 USD
    Free Shipping on orders $49 and up

    Schwaben Locking Hose Pinch-Off Pliers have adequate clamping force to effectively seal large or pressurized cooling system hoses. These pliers are ideal for clamping shut most hoses, ensuring reliability in your automotive tasks. With swivel jaws, they provide even clamping force, making them a versatile tool for various applications.

    • Adequate clamping force for large or pressurized hoses
    • Ideal for clamping shut most hoses
    • Swivel jaws ensure even clamping force
    • Versatile tool for automotive maintenance

    WARNING: This product contains chemicals known to the state of California to cause cancer, birth defects, and/or reproductive harm. For more information, visit http://www.p65warnings.ca.gov.

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    MINI Universal 16" Electric Fan - Black
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    Spal - Corporate Logo
    T#:376582
    Part#: 30102049
    In Stock
    $ 207.99 USD
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    $ 207.99 USD
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    For BMW owners seeking enhanced airflow or tighter engine compartment clearance, Turner Motorsport presents a Universal Fan. Ideal for applications like aftermarket turbo setups, this fan ensures optimal cooling performance. Please note that this fan is universal and may require modification to fit your specific application. Crafted in Italy, this fan boasts dimensions of 16.30in x 15.75in x 3.47in and provides an airflow of 2024 CFM.

    • Enhanced airflow for improved engine cooling
    • Ideal for applications with tight tolerances, such as aftermarket turbo setups
    • Universal design allows for versatile installation
    • Crafted in Italy for quality assurance
    • Compact size with powerful airflow capacity
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    Radiator Fan Switch - 91/99 degree - E30 E36 E34 E32 E31 Z3
    For vehicles with production date from 09/1987
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    We Price Match - Give Us A Call or Chat!
    Febi - Corporate Logo
    T#:4562
    Part#: 61311378073
    In Stock at Vendor
    $ 60.99

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

    $ 58.99 USD
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    $ 58.99 USD
    Free Shipping on orders $49 and up
    Engine radiator double temperature fan switch, 91/99 degree celsius. This switch is designed to activate the auxiliary fan at the specified temperatures. A faulty switch can lead to the auxiliary fan not activating, causing over heating.
    Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.
    This item fits the following BMWs:
    1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
    1992-1995 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic M3
    1989-1995 E34 BMW 525i 530i 535i 540i M5
    1988-1994 E32 BMW 735i 735il 740i 740il 750il
    1990-1999 E31 BMW 840i 840ci 850i 850ci 850csi
    1996-7/1996 Z3 BMW Z3 1.9
    1996-5/1997 Z3 BMW Z3 2.8
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    Mishimoto Performance Aluminum Radiator - E30 M3
    affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
    Mishimoto - Corporate Logo
    T#:378444
    Part#: MMRADE3082
    In Stock at Vendor
    $ 327.99 USD
    $ 327.99 USD
    Give your vehicle a cooler, more efficient running engine by installing a performance Mishimoto aluminum radiator. These radiators are a direct replacement to the factory unit making it an effortless install and provides up to a 30% more cooling capacity. Made from aircraft quality aluminum, these radiators have a dual row core and polished end tanks. So what are the advantages of an aluminum radiator? Well, first is the lightweight aspect of the radiator. You can run a larger radiator at the same weight as a stock unit. Also, in case of leaks years down the road, an aluminum radiator can be welded and repaired, saving costly replacement in the future. It is also much more durable, channeling heat better and resisting cracking and breaking, even at high temperatures. WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov. WARNING! Prop 65 may apply to this product. Proposition 65 (Safe Drinking Water and Toxic Enforcement Act of 1968) is a California law that applies to call companies selling products in California. Prop 65 requires any listed chemical present above very low levels that are known to cause cancer, birth defects, or other reproductive harm. For more information about California Prop 65 warning see: www.P65Warnings.ca.gov.
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    Genuine BMW Auxiliary Fan Switch – 91°C
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    Genuine BMW - Corporate Logo
    T#:368494
    Part#: 61311364272
    Ships in 4 Business Days
    5% off MSRP $ 75.99

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

    $ 71.99 USD
    Free Shipping
    5% off MSRP
    $ 75.99

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

    $ 71.99 USD
    Free Shipping
    Red Line SuperCool Performance Coolant - Pre-Mixed - 1 Gallon ...
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    Redline - Corporate Logo
    T#:640436
    Part#: 81215
    In Stock
    $ 54.99 USD
    Free Shipping on orders $49 and up
    Red Line SuperCool Performance Coolant fortified with WaterWetter is a 50/50 prediluted antifreeze/coolant designed to maximize the performance of your cooling system with superior protection against cavitation corrosion/erosion. Using 100% SuperCool Performance protects the entire cooling system, keeping new components like new for 5 years/150,000 miles and prevents further damage to older components. Red Line’s proprietary coolant additive formula enhances the fluid’s ability to transfer heat, reducing operating temperatures by up to 20*F and prolonging the life of the entire cooling system. Red Line's SuperCool is an OAT coolant that is a Nitrate and Silicate Free product with its own proprietary corrosion technology to offer superior protection for aluminum engines found in all European vehicles, performance vehicles, as well as other applications. SuperCool will not void the factory warranty either. It can be used to top off the existing coolant of any BMW and will not cause any ill-effects on the cooling system because it is silicate and nitrate free. It is still better to flush it out and switch completely to SuperCool to get all the full benefits of the product in performance and protection.
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