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ECS Cooling System Refresh Kit - Level 2

10X Entries Into Our F80 M3 Sweepstakes

T#:15710821

Part#: 17137607482-KT

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Sale - Save 16% $ 917.99

This product was last offered at the strikethrough price on
10-13-2026

$ 771.97 USD

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Sale - Save 16%

$ 917.99

This product was last offered at the strikethrough price on
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$ 771.97 USD

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As your mileage increases, so does wear and tear on your engine's cooling components. Cooling system components live a rough life, going through extreme temperature changes and being exposed to the elements. A cooling system failure can, and probably will leave you stranded. Included in this kit Water pump with new bolts Thermostat & housing Expansion tank with level sensor Expansion tank cap 1 Gallon of OEM Coolant Waterpump & thermostat hoses Upper and lower radiator hoses Accessory belt

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Genuine BMW Lower Radiator Seal

T#:119242

Part#: 51757145287

Ships in 1-2 days

4% off MSRP $ 113.99

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

$ 108.99 USD

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4% off MSRP

$ 113.99

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

$ 108.99 USD

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Genuine BMW Radiator Seal -
This item fits the following BMW Chassis:
E90,E92

Genuine BMW Fan w/ Housing - E82/88 E9X Z4

T#:7068785

Part#: 17425A3F109

Ships in 1-2 days

2% off MSRP $ 1,455.99

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

$ 1,425.99 USD

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$ 1,455.99

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$ 1,425.99 USD

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If your electric fan were to fail, your engine will overheat when idling or stopped. This replacement fan will get your BMW back on the road safely. Genuine BMW Fan Housing With Fan - 600W This item fits the following BMW Chassis: E82,E89 Z4,E90,E92,E93 Fits BMW Engines including: N20,N54,N54T,N55

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E82 128i N51 SULEV, E9X 328i N51 SULEV 6MT Cooling Overhaul Package ...

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T#:340254

Part#: TMS215326

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Starting at $ 1,233.77 USD

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Starting at $ 1,233.77 USD

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This cooling overhaul will cover just about everything you could replace on the 328 SULEV's cooling system. We start with the basic water pump and thermostat bundle. These are already vital to the health and durability of the N51 328 SULEV. But to properly maintain these cars for the long term, the rest of the cooling system must be refreshed and preventatively replaced. Here you can add a radiator, expansion tank, cooling hoses, and the BMW antifreeze. This package fits 128/328 SULEV with N51 engine and manual transmission.

The sophisticated electronics of the ECU and water pump means catastrophic overheating should be a thing of the past. But the downside is that the electronics can shut down without any warning or symptoms. And troubleshooting is equally frustrating since the water pump electronics are not readable or serviceable. There are several clues to a faulty thermostat or water pump - the fan runs at full speed all the time (even immediately on a cold start), pending (soft) fault code for low coolant flow, or the water pump can be heard running constantly. But when the pump fails it's an immediate shut down of the engine which can be a major inconvenience and lead to additional repairs that might have been avoided with preventative maintance. We recommend a full cooling system overhaul on the E90/E92 every 80-90,000 miles and to check for soft/pending codes at every 5,000 mile service .

Base Cooling Overhaul Package - Water Pump and Thermostat

(click to expand)

Includes:
+ Genuine BMW electric water pump, p/n 11517586925
+ mounting screws for water pump (set of 3), p/n 11510392553
+ OEM Behr thermostat, p/n 11537549476
+ Original BMW connecting hose from thermostat to water pump, p/n 11537521049
+ OEM-style hose clamps for hose (x 2)

The water pump on the N51 engine has more cooling responsibilities than ever before. The good news is that the pump only works when, and only as much, as it needs to. That means the system can actually stop the pump when it doesn't need to be running. The bad news is that it's now an electrical part, so a failure is usually immediate and with no warning. The preventative replacement is your only insurance from a very inconvenient and costly breakdown in the future. Plus you get the very latest BMW water pump design with any improvements they've made since your original pump was installed.

Coolant Hoses

(click to expand)

With regular driving the hoses should last a very long time. Even the plastic connectors seem to be holding up well. But as a preventative measure new hoses are recommended. We have also seen issues with re-using hoses as the spring connectors get weak over time and may not have the strength to hold the hose in place. They seem to have a tough time holding tension especially when they have been removed and reinstalled. In the interests of a thorough overhaul we recommend replacing these 328 SULEV water hoses during this job (see diagram):

17127531579, upper radiator hose (A)
17127531581, lower radiator hose (B)
11537552396, water pump to engine ©
11537545890, thermostat to cylinder head (includes new o-ring) (D)
There are other hoses too but they are not often replaced during a radiator swap (radiator vent hose and heater core hose) and they don't see much wear. We offer these as well if you want a complete set (see Additional Items at the bottom of the page).

Expansion Tank Options

(click to expand)

The expansion tank on the 328 SULEV is not prone to failures (unlike previous 3-series cars) so a new one is not strictly required. There aren't many seams or stress points for it to crack and we haven't heard of too many issues. But we wanted to offer it as part of a complete overhaul in case you want to cover everything. Simiarly, the level sensor is not required unless you're getting erroneous 'low coolant' warnings from the dash/iDrive. We do strongly recommend replacing the cap because that is designed to be the weak point in the system. The cap is what regulates the pressure inside the system and it should be replaced every few years anyway.

Coolant Temp Sensors

(click to expand)

There are two coolant temp sensors on the 328 SULEV - in the lower radiator hose and in the cylinder head. Both feed coolant temps to the ECU to regulate the water pump and cooling fan. You should replace the one in the lower radiator hose because it's one of the main sources for coolant leaks, especially when the old sensor is re-used in a new hose. The sensor in the cylinder head is not as prone to leaks and it's easily accessible so you don't have to replace it right away. But we offer it with the package in case you want to have a complete cooling system overahul.
13621433077, coolant temp sensor (in lower radiator hose)
13621433076, coolant temp sensor (in cylinder head, next to oil filter housing)

BUY AS A PACKAGE AND SAVE $$!

This cooling package fits the following BMWs with the N51 engine and a manual transmission:
2008-2012 E82 BMW 128i SULEV
2007-2011 E90 BMW 328i 328xi 328i xDrive SULEV - Sedan
2007-2012 E91 BMW 328i 328xi 328i xDrive SULEV - Wagon
2007-2013 E92 BMW 328i 328xi 328i xDrive SULEV - Coupe
2007-2013 E93 BMW 328i SULEV - Convertible
Note: not for cars that have the dealer-installed auxiliary heating option. Some of the hoses are different with that option. It's not a very common option in North America (except in parts of Canada) but there are hoses that are specific to that option.

Click on the options for your kit below and then click "update price" for your kit total.

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Electric Fan With Shroud

For vehicles with Towing Package

T#:7068787

Part#: 17425A3F106

Ships in 1-2 days

2% off MSRP $ 980.99

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$ 960.99 USD

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2% off MSRP

$ 980.99

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$ 960.99 USD

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Genuine BMW Fan Shroud

For vehicles with 400W fan

T#:47094

Part#: 17427533274

Ships in 4 Business Days

4% off MSRP $ 197.99

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

$ 189.99 USD

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4% off MSRP

$ 197.99

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

$ 189.99 USD

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Genuine BMW Fan Shroud -
This item fits the following BMW Chassis:
E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N52,N52N

Water Pump And Thermostat Kit - E9X M3

10X Entries Into Our F80 M3 Sweepstakes

T#:554059

Part#: 11517838201KT4

Ships in 1 Business Day

Sale - Save 8% $ 222.99

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

$ 205.18 USD

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Sale - Save 8%

$ 222.99

This product was last offered at the strikethrough price on
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$ 205.18 USD

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The water pumps in BMW's should be serviced near 80,000 miles and may become an issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road.

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Genuine BMW Breather Hose - E90 E92 E93 M3

T#:22522

Part#: 17122283591

Ships in 1-2 days

7% off MSRP $ 60.99

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

$ 56.99 USD

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7% off MSRP

$ 60.99

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

$ 56.99 USD

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Genuine BMW Vent Pipe -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW Radiator - E9X M3

T#:14404

Part#: 17112283468

Ships on Nov 24, 2026

8% off MSRP $ 631.99

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

$ 578.99 USD

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8% off MSRP

$ 631.99

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$ 578.99 USD

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This radiator is the OE BMW replacement for the stock radiator in the E90, E92, and E93 M3. Keeping your M3 at peak performance means including your cooling system in your regular maintenance schedules with the radiator, water pump, and thermostat being the primary components needing replacement.

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Genuine BMW Coolant Return Hose - E90 E92 E93 M3

T#:36177

Part#: 11537838775

Ships in 7 Business Days

8% off MSRP $ 153.99

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

$ 140.99 USD

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8% off MSRP

$ 153.99

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$ 140.99 USD

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Genuine BMW Hose, Heater Return Pipe- -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Genuine BMW Fan Housing With Fan - 17117590699

T#:46008

Part#: 17117590699

Ships in 7 Business Days

6% off MSRP $ 895.00

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

$ 840.99 USD

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6% off MSRP

$ 895.00

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$ 840.99 USD

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Genuine BMW Fan Housing With Fan - 400W
This item fits the following BMW Chassis:
E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N52,N52N

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Genuine BMW Water pipe

T#:348480

Part#: 11537545890

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9% off MSRP $ 104.99

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$ 95.99 USD

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$ 104.99

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$ 95.99 USD

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Genuine BMW Fan shroud - E90 E92 E93 M3

T#:45834

Part#: 17112283407

Ships in 4 Business Days

5% off MSRP $ 237.99

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

$ 226.99 USD

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5% off MSRP

$ 237.99

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

$ 226.99 USD

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Genuine BMW Fan Shroud -
This item fits the following BMW Chassis:
E90,E92,E93

Fits BMW Engines including:
S65

Water Pump And Thermostat Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15744014

Part#: 82142209769-KT

Ships in 1 Business Day

Sale - Save 8% $ 222.99

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

$ 205.18 USD

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Qty

Sale - Save 8%

$ 222.99

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

$ 205.18 USD

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The water pumps in these BMW models should be serviced near 80,000 miles and may become an issue often times leaving the owner stranded. The aftermarket kit offered provides a single stop for water pump and thermostat replacement needs to save the search and get you back on the road. Kit includes: Mahle-Behr thermostat Geba water pump Vaico coolant Mounting hardware required for the water pump O-rings for the thermostat housing

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Bracket Pressure Pipe Airconditioner - E39, E53, E82, E88, E90, E91, ...

T#:152356

Part#: 64538369549

Ships in 3 Business Days

$ 6.99 USD

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$ 6.99 USD

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Genuine BMW Bracket Pressure Pipe Airconditioner
This item fits the following BMW Chassis:
E39 M5,E53 48IS,E39,E53 X5,E82,E85 Z4,E90,E92,E93

Do88 - BigPack BMW M3 E90/E92 DKG DCT

For BMW M3 E90 and E92 models with DKG/DCT transmission

T#:34885395

Part#: BIG-M3-DCT

In Stock

$ 3,041.99

This product was last offered at the strikethrough price on
10-03-2026

$ 2,799.99 USD

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$ 2,799.99 USD

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Do88 - BigPack BMW M3 E90/E92 DKG DCT offers a premium solution for BMW enthusiasts seeking optimal cooling performance for their high-performance M3 models. Designed specifically for the BMW M3 E90 and E92 equipped with the DKG/DCT transmission, this complete cooling package by Do88 provides significant improvements in engine and transmission temperatures, ensuring peak performance and reliability under extreme conditions. Ideal for both street and track applications, this package offers unparalleled benefits for any driver looking to enhance their BMW’s performance.

Key Features:

Comprehensive cooling solution designed for BMW M3 E90 and E92 models with DKG/DCT transmission Includes - M3 engine oil cooler, M3 DCT / DKG oil cooler, M3 power steering cooler, M3 radiator Significantly reduces heat levels, allowing for sustained performance in intense driving scenarios Direct-fit design for straightforward installation without extensive modifications Engineered to withstand high-performance demands for both street and track use The Do88 BigPack BMW M3 E90/E92 DKG DCT cooling kit is a top choice for enthusiasts and professional drivers who need reliable and robust performance. Designed with precision and superior materials, this package ensures your BMW M3 remains cool under pressure, making it an essential upgrade for any Turner Motorsport enthusiast aiming to achieve the ultimate driving experience.

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Rein Lower Cooling Hose - E82, E88, E90, E91, E92, E93, Z4

For vehicles with automatic transmission only

2X Entries Into Our F80 M3 Sweepstakes

T#:402117

Part#: 17117524710

In Stock

$ 33.99 USD

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$ 33.99 USD

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Connects to lower coolant pipe

Victor Reinz O-Ring

Found at the flange end of the upper thermostat hose

T#:388687

Part#: 11537545278

In Stock

$ 6.11 USD

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$ 6.11 USD

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Seals your cooling system

Genuine BMW Control Sleeve - 17107523260 - E82,E89,E90,E92,E93 N51, N...

T#:45590

Part#: 17107523260

Ships in 4 Business Days

2% off MSRP $ 96.99

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$ 94.99 USD

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2% off MSRP

$ 96.99

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$ 94.99 USD

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Genuine BMW Control Sleeve -
This item fits the following BMW Chassis:
E82,E89 Z4,E90,E92,E93

Fits BMW Engines including:
N51,N52,N52N,S65

Genuine BMW Coolant Hose - S65 4.0L

T#:367935

Part#: 17222283594

In Stock

9% off MSRP $ 102.99

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

$ 93.99 USD

Limited Qty Sale

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9% off MSRP

$ 102.99

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

$ 93.99 USD

Limited Qty Sale

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Blackline Performance Coolant Expansion Tank Cap Cover - BMW M - Blue...

T#:5691129

Part#: FXXCET-B

In Stock

$ 65.00 USD

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$ 65.00 USD

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Give the plain plastic factory coolant caps an upgrade with the brand new BLACKLINE Performance Coolant Expansion Tank Cap Cover from Goldenwrench. Each cap is CNC formed from T6 Aluminum and anodized in a limited release race inspired blue color. All logos and decorations are finalized through a precision 3D milling process, machined into each cap for the ultimate premium finish. The BLACKLINE Performance Billet Coolant Expansion Tank Cap Cover will fit most BMW vehicles equipped with the N55, S55, S63, and S65 engine with the large coolant tank found in a variety of M vehicles(check your coolant cap ensuring that it is the same shape as seen in the product photos). Each kit comes with a Billet Coolant Expansion Tank Cap Cover, and an Installation Instruction Card. This is a not a full cap replacement. The Billet Cap Cover affixes to the top of your factory coolant cap installing easily in minutes.

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O-RING

T#:580584

Part#: C32348

Ships in 6 Business Days

$ 3.99

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

$ 2.99 USD

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$ 2.99 USD

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Cooling System Overhaul Kit - E9X M3 (04/2008+)

10X Entries Into Our F80 M3 Sweepstakes

T#:554725

Part#: E9XM3CSO2KT

Ships in 1 Business Day

$ 1,811.99

This product was last offered at the strikethrough price on
08-24-2026

$ 1,785.99 USD

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$ 1,785.99 USD

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This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package.

Cooling System overhaul Kit - E9X M3 (up to 04/2008)

10X Entries Into Our F80 M3 Sweepstakes

T#:554104

Part#: 11517839062KT10

Ships in 1 Business Day

$ 1,797.35

This product was last offered at the strikethrough price on
08-24-2026

$ 1,771.87 USD

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$ 1,771.87 USD

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This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package.

Gates Performance Thermostat - 71*C - BMW S65 S85

T#:394624

Part#: 11537836155

In Stock

$ 78.99 USD

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$ 78.99 USD

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Performance low-temperature thermostat for E90, E92, E93 M3 - S65 engine- E60 M5 E63 M6 with S85 engine. Your car may still operate fine according to the instrument display but the electrically-operated thermostat may be going bad.

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Gates Upper Radiator Hose - E82, E88, E90, E92, E93, Z4

T#:592003

Part#: 17127540127

In Stock

$ 55.99 USD

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$ 55.99 USD

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The hose that comes off of the top outlet on the radiator

High Performance Cooling System Upgrade - E9X M3 (up to 04/2008) ...

10X Entries Into Our F80 M3 Sweepstakes

T#:557321

Part#: E9XM3PCKT2

Ships in 1-2 days

$ 2,322.15

This product was last offered at the strikethrough price on
08-24-2026

$ 2,295.60 USD

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$ 2,295.60 USD

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To ensure your BMW keeps cool on the track, we have built out our new High Performance Cooling System Upgrade kits. Featured in this kit is everything you will need to redo your cooling system from top to bottom with OEM components, with select stock components swapped out for the high performance alternative!

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High Performance Cooling System Upgrade - E9X M3 (04/2008+)

10X Entries Into Our F80 M3 Sweepstakes

T#:557320

Part#: E9XM3PCKT

Ships in 1-2 days

$ 2,336.08

This product was last offered at the strikethrough price on
08-24-2026

$ 2,309.53 USD

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$ 2,309.53 USD

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To ensure your BMW keeps cool on the track, we have built out our new High Performance Cooling System Upgrade kits. Featured in this kit is everything you will need to redo your cooling system from top to bottom with OEM components, with select stock components swapped out for the high performance alternative!

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Bracket Suction Pipe Airconditioner - E82, E84, E88, E90, E92, E93 ...

T#:152319

Part#: 64536957494

Ships in 7 Business Days

3% off MSRP $ 29.99

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

$ 28.99 USD

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3% off MSRP

$ 29.99

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

$ 28.99 USD

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Genuine BMW Bracket Suction Pipe Airconditioner
This item fits the following BMW Chassis:
E82 1M Coupe,E82,E90,E92,E93

Genuine BMW Coolant hose - E90 E92 E93 M3

T#:368851

Part#: 64219119156

Special Order: No Guaranteed ETA

6% off MSRP $ 52.99

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

$ 49.99 USD

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6% off MSRP

$ 52.99

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

$ 49.99 USD

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Filler Connection Bracket - E82, E88, E90, E91, E92, E93

T#:152318

Part#: 64536951642

Special Order: No Guaranteed ETA

$ 15.99 USD

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$ 15.99 USD

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Genuine BMW Filler Connection Bracket -
This item fits the following BMW Chassis:
E82,E90,E92,E93

Radiator / Cooling System Pressure Tester- Bavarian Autosport ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580397

Part#: B8800084

In Stock

Sale - Save 15% $ 146.99

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

$ 124.94 USD

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Qty

Sale - Save 15%

$ 146.99

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

$ 124.94 USD

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Upper Radiator Hose

10X Entries Into Our F80 M3 Sweepstakes

T#:30729022

Part#: 17127540127

In Stock

Sale - Save 20% $ 42.99

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

$ 34.26 USD

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Qty

Sale - Save 20%

$ 42.99

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

$ 34.26 USD

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Precision Raceworks Coolant Tank & Power Steering Bracket W/ Harness ...

T#:38229115

Part#: 622-0079

In Stock

$ 69.99 USD

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$ 69.99 USD

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The E9X / E8X Coolant Tank & Power Steering Bracket w/ Harness is all of the hardware necessary to relocate your power steering pump and install a factory coolant tank on the driver's side of your vehicle. These are the same high-quality components that are included with our E9X/ E8X relocated inlet kits.

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BMW Silver Engine Coolant Reservoir Cap

T#:38161691

Part#: 201-0393-SIL

Ships in 8 Business Days

$ 109.99 USD

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$ 109.99 USD

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BMW Silver Engine Coolant Reservoir Cap is a premium upgrade for BMW owners looking to enhance both the performance and appearance of their engine bay. Crafted from high-strength billet aluminum, this cap replaces the factory plastic version, offering superior durability and a refined, professional look.

Designed with functionality in mind, it integrates the OEM pressure relief system to ensure your engine's cooling system remains safe and efficient. Unlike adhesive covers, which can peel or wear over time, this cap is a direct-fit replacement, providing a secure and leak-proof seal. The silver anodized finish not only enhances the visual appeal but also ensures resistance to corrosion, high temperatures, and wear, making it perfect for daily driving and track use.

OEM pressure relief integration – Maintains proper cooling system performance and reliability
Durable billet aluminum – Outperforms factory plastic caps in longevity and strength
Precision-machined for perfect fitment – Replaces the stock cap securely, not just a cover
Anodized silver finish – Offers corrosion, heat, and wear resistance
Elevates engine bay aesthetics – Adds a clean, professional appearance
Built for both street and track use – Designed to withstand extreme conditions

Enhance your BMW’s cooling system with the BMW Silver Engine Coolant Reservoir Cap, providing both style and functionality for years to come.

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Precision Raceworks Driver Side Coolant Tank Brackets - Black Powder ...

T#:38094357

Part#: 601-0055

Ships in 5 Business Days

$ 39.99 USD

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$ 39.99 USD

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This driver-side coolant tank mounting bracket set is ideal for those with relocated inlets or single turbo kits. It enables you to reposition your factory coolant tank to the driver's side of the engine bay. Best of all, it’s fully compatible with all known charge pipes.

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BMW Black Engine Coolant Reservoir Cap

T#:38161688

Part#: 201-0393-BLK

Ships in 9 Business Days

$ 109.99 USD

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BMW Black Engine Coolant Reservoir Cap is a premium upgrade designed to enhance both the functionality and aesthetics of your BMW’s engine bay. Unlike flimsy plastic OEM caps, this high-performance cap is CNC-machined from durable billet aluminum, providing long-lasting strength and a sleek, motorsport-inspired look.

Built with precision, this cap retains the essential OEM pressure release function, ensuring proper cooling system operation without compromise. Unlike inferior adhesive covers that may detach over time, this cap fully replaces the factory component, delivering a secure and reliable fit. With a corrosion-resistant black anodized finish, it withstands extreme temperatures and harsh conditions while elevating your BMW’s under-hood appearance.

OEM pressure regulation – Maintains factory-designed pressure release for optimal cooling performance
CNC-machined billet aluminum – Provides exceptional durability and long-term reliability
Direct replacement – Fully replaces the stock cap, ensuring a perfect fit without modifications
Corrosion-resistant anodized finish – Prevents wear and adds a stealthy, high-performance look
Heat and fluid-resistant design – Built to withstand extreme temperatures and coolant exposure
Enhanced engine bay styling – Offers a sleek, motorsport-inspired upgrade

Upgrade your BMW’s cooling system with the BMW Black Engine Coolant Reservoir Cap, designed for superior performance and long-lasting durability.

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Rogue Engineering Silicone Radiator Hose Kit - E9X M3

T#:13694122

Part#: RADE9X-M3-ONLY

Ships in 9 Business Days

$ 79.00 USD

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$ 79.00 USD

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Benefits of Rogue Engineering Silicone Radiator Hoses More resistant to high temperatures, solvents and oil, when compared to OEM rubber hoses. Temperature ranges from -149° F to 500° F, much larger range than OEM (typical range for OEM is -40o F to +275o F) Our hoses can handle more pressure, with a maximum pressure of 350psi. Our silicone hoses stay flexible, whereas rubber can harden and crack over time. Available only in BLACK color, with discrete RE logo. All Rogue Engineering Silicone Radiator Hose kits come complete with new, replacement hose clamps as the factory ones are not suitable for reuse after long years of service. Application Notes The E9X M3 kit replaces 11537838214 and 11537840661 and fits the following: 2008-2013 E9X M3 (US and Euro) Notes: The E9X M3 hose kit requires the use of OEM connectors from the original hoses.

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Active Autowerke Thermostat Bypass/Delete Tube - S65

T#:2302749

Part#: 14-016

Ships in 10 Business Days

$ 141.99 USD

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$ 141.99 USD

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CNC machined coolant/water thermostat bypass tube to improve flow on and off the track. Easy plug and play installation and a durable anodized coating make this a simple and reliable temperature control solution.

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CRP Radiator Vent Hose - E82, E84, E88, E90, E92, E93

2X Entries Into Our F80 M3 Sweepstakes

T#:1195859

Part#: 17127565094

In Stock

$ 34.99 USD

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$ 34.99 USD

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Located on the top of the radiator

Fan Clutch Wrench - 32mm

T#:641760

Part#: CTAA878

Ships on Nov 3, 2026

$ 23.57 USD

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$ 23.57 USD

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Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine Services

Anti-Freeze Tester

T#:641679

Part#: CTAA195

In Stock

$ 9.98 USD

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$ 9.98 USD

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Tests all ethylene glycol solutions with radiator hot or cold

BigPack BMW M3 E90/E92 - Manual

For manual transmissions only!

T#:35761627

Part#: BIG-M3-MAN

In Stock

$ 1,972.99

This product was last offered at the strikethrough price on
10-01-2026

$ 1,799.99 USD

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$ 1,799.99 USD

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The BigPack Kit for the E90/E92 M3 Includes - M3 engine oil cooler - M3 power steering cooler - M3 radiator

DO88 Coolant Hoses - Red - E90/E92 M3

T#:13924826

Part#: DO88KIT94R

Ships on Nov 5, 2026

$ 291.99 USD

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$ 291.99 USD

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Made out of high-quality silicone, these hoses display the highest levels of durability and quality. With three to five layers of armory the hoses are designed to withstand high pressure and heat for an extended period of time. The OE hoses are known to crack and leak but this hose kit eliminates any chance of that.

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DO88 DCT Racing Oil Cooler For E90/E92 M3

T#:13891855

Part#: OC110

In Stock at Vendor

$ 1,299.99 USD

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$ 1,299.99 USD

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With a 217% bigger core volume, 178% bigger cooling area, and a 110% higher oil volume, this oil cooler compensates on no fronts. Built for the track but just as capable on the road, DO88's upgraded oil cooler for the E90/E92 M3 gives you maximum performance and compromises nowhere.

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BMW N54 N55 Water Pump

T#:592891

Part#: 11517563659

Ships on Nov 5, 2026

$ 759.99 USD

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$ 759.99 USD

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BMW N54 N55 Water Pump ensures reliable cooling performance for your BMW's engine. This high-quality water pump is designed for late-model N54 and N55 engines, offering enhanced reliability and ease of service. Unlike older models, it does not require a gasket or o-ring, simplifying installation and maintenance. Replacing worn water pumps during routine cooling system services is crucial for maintaining optimal engine performance and preventing overheating issues.

Enhanced reliability for peace of mind
Easy installation and serviceability
No need for gasket or o-ring
Maintains optimal engine cooling efficiency
Designed specifically for BMW N54 and N55 engines

Ensure your BMW's engine stays cool and performs efficiently with the BMW N54 N55 Water Pump.

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Thermostat

T#:393494

Part#: 11537601158

Ships on Nov 5, 2026

$ 108.99 USD

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$ 108.99 USD

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Water Pipe

10X Entries Into Our F80 M3 Sweepstakes

T#:39295542

Part#: 11537545890

In Stock

Sale - Save 10% $ 20.99

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

$ 18.89 USD

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Sale - Save 10%

$ 20.99

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

$ 18.89 USD

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Coolant Expansion Tank - With Cap

10X Entries Into Our F80 M3 Sweepstakes

T#:55497428

Part#: 17137640514

Ships on Nov 6, 2026

Sale - Save 10% $ 69.99

This product was last offered at the strikethrough price on
10-08-2026

$ 62.99 USD

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Sale - Save 10%

$ 69.99

This product was last offered at the strikethrough price on
10-08-2026

$ 62.99 USD

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Bremmen Parts Coolant Hose - E9X N52

10X Entries Into Our F80 M3 Sweepstakes

T#:38621425

Part#: 11537521049

In Stock

Sale - Save 23% $ 18.99

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

$ 14.68 USD

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Sale - Save 23%

$ 18.99

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

$ 14.68 USD

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Over the years and with exposure to extremely hot coolant, the coolant hoses in your vehicle can take a beating. Being made of reinforced rubber, these hoses can fail in a number of ways. Splitting at a hose clamp, swelling, cracking, and breaking are just a few of the ways this hose can leave you stranded. Replace it at the first sign of wear to keep your coolant in your engine.

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