2003 BMW 325Ci Belts and Cooling Parts

Choose your Part Name for your 2003 BMW 325Ci


Showing 1 - 10 of 133 products
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CSF
  • BMW E46 3-Series / 03-05 E85/E86 Z4 High-Performance All-Aluminum Radiator
  • CSF manufactures the most advanced and efficient radiator in the industry for your E46 3-Series/Z4. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation.
  • Product Attributes:
    • Core Material: Aluminum
    • Title: Bmw E46 3-series / 03-05 E85/e86 Z4 High-performance All-aluminum Radiator
  • Features:
    • 2-Row 42mm Core (Dual Core) Featuring CSF's Exclusive B-Tube Technology
    • Core Features an Ultra-Efficient Fin with 6.5mm Fin Height and Multi-Louvered Design for Maximum Surface Area Contact
    • CNC Machined "Quick-Connect" Inlet/Outlet Connections
    • CNC Machined Brackets and Fittings for Superb Fit and Durability
    • All-Aluminum Race Style Drain Plug
    • Smooth Satin Finish
    • Drop-in Fit
  • CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your E46 3-Series/Z4 running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF E46 3-Series/Z4 radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.

This Part Fits the Following OEM/Substitute Numbers:
17119071518

Additional Fitment Information:
Vehicle Block CC Transmission Region Engine Manuf. Body Code CID
2003 - BMW 325Ci L 2494 Manual United States 6 Cyl 2.5L E46 152

Derale
  • 13 Row Series 9000 Plate/Fin Transmission Cooler Kit; 1/2in. NPT
  • Plate And Fin Style; Aluminum; 10-1/8 in. in. Width; 6-3/4 in. x 8 in. Mounting; 8-7/8 in. Height; 1-1/4 in. Depth
  • Plate/Fin Transmission Cooler Kit (1/2in. NPT)
  • Series 9000 Transmission Cooler Kit
  • Product Attributes:
    • Gross Vehicle Weight: 20500 Lbs.
  • Features:
    • Prevents Heat Related Transmission Failures
    • Extends Life Of Transmission
    • Improves Transmission Performance
    • Sturdy Furnace Brazed Aluminum Construction
    • 13 Row Cooler Design
    • 1-1/4 in. Turbulators Maximize Cooling
    • 1/2 in. NPT Female Cooler Fittings
    • Includes 1/2 in. NPT x 3/8 in. Hose Barb Adapters
    • Rated At 20500 GVW
    • 10 Ounces Fluid Capacity
    • Rated At 250 PSI Working Pressure/300 PSI Burst Strength
  • Very popular with original equipment manufacturers for use on their towing applications, our Plate and Fin coolers is no exception, featuring strong furnace-brazed construction, 1 1/4 in. wide plates and embossed turbulators which maximize heat transfer while also minimizing pressure drop. This unit is perfect for light to medium duty use and occasional towing. It greatly extends transmission life by preventing heat-related transmission failures, and improve shifting performance. Built with 1/2 in. NPT female cooler ports and includes 1/2 in. NPT x 3/8 in. hose barb adapters. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16 in. transmission cooler lines.

Additional Fitment Information:
Vehicle
2003 - BMW 325Ci

Derale
  • 16in. Tornado Electric Puller Fan; Standard Mounting Kit
  • 2175 CFM; 16 in. Fan Size; 3/4-16 in. Width; 14-1/2 in. x 9-3/4 in. Mounting; 15-3/4 in. Height; 1-3/4 in. Depth; 18.4 Amp Draw
  • 16in. Tornado Electric Fan; Standard Kit
  • Tornado Electric Puller Fan
  • Product Attributes:
    • Diameter (in.): 16.000 In.
  • Features:
    • Reliable/Efficient/High Torque Motors
    • 2175 CFM
    • Reversible Design/Can Be Used As Pusher Or Puller
    • Includes Nylon Mounting Kit
  • Our top of the line 16 in. Tornado fan uses 8 skewed blades, producing a healthy 2175 CFM at 0 static pressure, drawing only 18.4 amps from its quiet, high torque 225 watt motor. Includes mounting kit and illustrated installation instructions.

Additional Fitment Information:
Vehicle
2003 - BMW 325Ci

Derale
  • Adjustable Electric Fan Controller; 3/8in. NPT Thread In Probe
  • Adjustable; w/3/8 in. NPT Thread In Probe; Maximum Draw Of 25 Amps
  • Adjustable turn-on temperature from 150-240deg.F; Turn-off temperature is preset at 10deg.F below turn-on temperature; Thread in 3/8in. NPT probe; Heavy duty 40/60 amp relay maximum 25 amp continuous draw; AC override circuit included
  • Electric Fan Controller
  • Features:
    • Adjustable Turn-On Temperature From 150 To 240 Degrees Fahrenheit
    • 10 Degrees Lower Turn-Off Temperature Than Turn-On Temperature
    • Thread in 3/8 in. NPT Temperature Sensor
    • Heavy Duty 40/60 Amp Relay
    • Includes AC Override Circuit
    • Ground Circuit Relay
    • Replacement 3/8 in. NPT Sensor Part Number 16750
  • This newly redesigned adjustable electric fan control kit is designed to activate up to 2 fans with a total maximum draw of 25 amps. Includes a water jacket 3/8 in. NPT thread-in probe, relay wire harness and electrical connectors for an easy installation. A/C override circuit included. Adjustable fan controller turn-on range from 150°F - 240°F, and turn-off preset at 10°F lower than turn-on.

Additional Fitment Information:
Vehicle
2003 - BMW 325Ci

Motorad
  • Engine Coolant Reservoir Cap
  • Relief pressure 30 lb
  • Standard
  • Product Attributes:
    • Attachment Type: Threaded
    • Diameter: 2.44
    • Valve OD: 1.21 In
    • Pressure Release Lever: No
    • Vented: Yes
    • Pressurized: Yes
    • Lever Type: Standard
    • Coolant Recovery System: Open & Closed System
  • Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.

This Part Fits the Following OEM/Substitute Numbers:
10247, 11247, 12R25, 1678-290342, 17043, 17111468076, 17111742231, 17117639022, 31332, 703-1399, 7043, 9T42, DLR14703, P7043, T42

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - BMW 325Ci L 2494 6 Cyl 2.5L 152

Motorad
  • Integrated Housing Thermostat-207 Degrees
  • Temperature 207F Includes housing, thermostat, and seal OEM Recommended Temp
  • Integrated Housing Thermostat
  • Product Attributes:
    • Mounting Hardware Included: No
    • Bolt Hole Quantity: 4
    • Jiggle Pin Included: No
    • Gasket/Seal Material: Rubber
    • Start to Open Temperature: 207
    • Installation Tool Included: No
    • Number Of Outlet Ports: 2
    • Temperature: 207
    • Bolts Included: No
    • Opening Temperature: 207
    • Outlet Diameter: 1.52 In; 1.52 In
    • Temperature (Degree): 207
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:
11530139877, 11531437040, 11537509227, 12T108D, 14602, 423-206, 4602, 4602-TS, 467-185, 56718, 85955, 86177, 902-813, 9467185, P4602, QRT72, TH6499.97J, TM1397...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - BMW 325Ci L 2494 6 Cyl 2.5L 152

Gates
  • DriveAlign Premium OE Pulley
  • Product Attributes:
    • Contact Surface: Smooth/backside
    • Groove Quantity: 0
    • Pulley 1 Flanged: No
    • Bearing Bore Inside Diameter: 10
    • Outside Diameter: 80
    • Width: 24.5
    • Contents: Pulley

This Part Fits the Following OEM/Substitute Numbers:
11281726181, 11281730571, 11281738061, 11281738605, 11281748130, 11287841228, 38069, 419-650, 45044, 49062, 5310003100, 89089, 89089FN, 900003, 900003A, FU27992

Additional Fitment Information:
Vehicle Block CC Position Fuel Type Engine CID
2003 - BMW 325Ci L 2494 Alternator, Water Pump and Power Steering GAS 6 Cyl 2.5L 152

Original Equipment
  • This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
  • Location-Radiator Hose
  • For replacement O-Ring, see part # 13 62 1 433 077S.

Additional Fitment Information:
Vehicle
2003 - BMW 325Ci

Dayco
  • Mechanical Tensioner
  • Product Attributes:
    • :
      • 24.5
      • 70
    • Max Belt Width: 06 Rib
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 14
    • Flat: Y

Additional Fitment Information:
Vehicle Position
2003 - BMW 325Ci Main Drive

Dayco
  • Product Attributes:
    • :
      • 24.5
      • 70
    • Max Belt Width: 06 Rib
    • Bearing Inner Diameter 1: 17
    • Bearing Width: 14
    • Flat: Y

This Part Fits the Following OEM/Substitute Numbers:
04792835AA, 04891720AA, 11 28 1 427 252, 11.28.1.440.237, 11.28.7.530.314, 11.28.7.549.557, 11.28.7.574.834, 11.28.7.834.256, 11.28.7.835.416, 11.28.7.839.133, 1341A005, 1341A029, 17530-78K01, 231133, 25287-25100, 25287-25110, 31180-RB0-J01, 36323...VIEW MORE

Additional Fitment Information:
Vehicle Position
2003 - BMW 325Ci Air Conditioning
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