BMW Radiators for BMW 3 Series E46 (1999-2005)

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We sell only OE supplier or approved aftermarket upgrade radiators for your BMW. It seems BMW took some shortcuts when it came to radiator design and used weak materials like plastic for critical connection points. If you are tracking older models like E30, E36, or E46, you probably are well aware of these issues. As these cars age, the plastic pieces become more brittle and failure prone. The solution is to replace with upgraded radiators that perform as upgrades for the original, failure prone radiator to avoid being left on the side of the road or, worse yet, the track.
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Packaged by Turner - Corporate Logo
T#:554552
Part#: 17119071519KT5
Ships in 2 Business Days
Sale - Save 4% $ 979.99

This product was last offered at the strikethrough price on
08-17-2026

$ 944.54 USD
Sale - Save 4%
$ 979.99

This product was last offered at the strikethrough price on
08-17-2026

$ 944.54 USD

This is a compete cooling system overhaul kit, which includes all the common cooling system failure parts bundled into a complete package. This cooling system package is for the E46 with the M52/54 engine.  

A failure in the cooling system can lead to overheating and catastrophic engine failure. Don't gamble your engine! By replacing these core items preventatively, such as the thermostat housing, radiator, and waterpump, you are defusing what could be a ticking cooling system time bomb. And if you've had a failure of one of these parts, now is the time to refresh your entire cooling system. Keep on top of the cooling needs of your engine for your own piece of mind. Potential buyers also see the upside of a properly maintained car with receipts. 

This cooling system overhaul kit fits the following BMWs: 
1999-2000 E46 3 Series Sedan/Wagon - 323i & 328i 
1999-2000 E46 3 Series Coupe/Convertible - 323Ci & 328Ci 
2001-2002 E46 3 Series Sedan/Wagon - 325i, 325xi, 330i, 330xi 
2001-2002 E46 3 Series Coupe/Convertible - 325Ci, 330Ci 

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ECS Cooling System Refresh Kit - Level 3 plus
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710794
Part#: 17119071519G-KT
Ships in 4 Business Days
Sale - Save 1% $ 1,353.99

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

$ 1,338.26 USD
Sale - Save 1%
$ 1,353.99

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

$ 1,338.26 USD
Stop the problems before they arise. If your vehicle has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 80,000-mile intervals. Water pump failure cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. Stewart High-Performance Water Pump ECS Aluminum Water pump pulley Fan Switch Thermostat with Housing Sealing Gaskets Expansion Tank with level sensor and clamp Pressure Cap 1 Gallon Coolant Upper & Lower Radiator Hoses Accessory Drive Belts Radiator Drain Plug Mishimoto Performance Aluminum Radiator Idler Pulley Hydraulic Tensioner and Pulley A/C Belt Tensioner Assembly
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ECS Cooling System Refresh Kit - Level 3
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:15710765
Part#: 07119904677-KT
Ships in 4 Business Days
Sale - Save 4% $ 1,019.99

This product was last offered at the strikethrough price on
08-17-2026

$ 983.89 USD
Sale - Save 4%
$ 1,019.99

This product was last offered at the strikethrough price on
08-17-2026

$ 983.89 USD
Prevent cooling issues and take service of your cooling system one step further with an ECS Tuning Level 3 Cooling System Maintenance Kit. The experts at ECS have identified all of the common parts of the cooling system generally considered weak links on your BMW. Stop the problems before they arise. If you vehicle has 80,000 miles or more, replace all of these components to ensure that your vehicle stays healthy. To keep everything in top order, continue to replace these components at 80,000 mile intervals. Water pump failure, cracked plastic housings, and expansion tank leaks will not be a concern once all these problem parts are replaced. This kit was put together by ECS for a complete cooling system service. HEPU water Pump with metal impeller ECS Aluminum Water pump pulley Fan Switch Thermostat with Housing Sealing Gaskets Expansion Tank with level sensor and clamp Pressure Cap 1 Gallon Coolant Upper & Lower Radiator Hoses Accessory Drive Belts Radiator Drain Plug Nissens Radiator Idler Pulley Hydraulic Tensioner and Pulley A/C Belt Tensioner Assembly
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Genuine BMW - Corporate Logo
T#:21736
Part#: 17117514402
Ships in 3 Business Days
Sale - Save 8% $ 26.99

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

$ 24.86 USD
Free Shipping on orders $49 and up
Sale - Save 8%
$ 26.99

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

$ 24.86 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket F.Radiator
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E53 48IS,E46,E53 X5 X5,E65,E83 X3,E85 Z4,E86 Z4,E90,E92,E93


Genuine BMW - Corporate Logo
T#:21734
Part#: 17111436264
In Stock
Sale - Save 10% $ 33.99

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

$ 30.54 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 33.99

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

$ 30.54 USD
Free Shipping on orders $49 and up


Genuine BMW Bracket F.Radiator
This item fits the following BMW Chassis:
E46 M3,E46,E85 Z4

Fits BMW Engines including:
M52,M54,M56,S54

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