2004 BMW 325i Engine Parts

1,515 products fit your

2004 BMW 325i

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2004 BMW 325i

Department

Street

Application

Sport Compact

Products

-45%

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

Speedway Motors |

#6176097

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

Fitting End A:

-10 AN Male

Fitting End B:

1/2" NPT Male

Angle:

45 degree

$13.49

/each

$24.89

AutoMeter |

#1829253

AutoMeter 9253 Extreme Oil Press. Gauge, 2-1/16, 0-120 PSI,Flat

Gauge Diameter:

2-1/16"

Gauge Series:

Analog

Gauge Style:

Electric

$219.99

/each

Aluminum -10 AN Flare Fitting Cap, Black Anodized

Speedway Motors |

#61761981

Aluminum -10 AN Flare Fitting Cap, Black Anodized

(3)

Material Type:

Aluminum

Sold in Quantity:

Each

$5.99

/each

$129 Off

Powermaster |

#25528164

Powermaster 28164 Denso Style Race Alternator, 75A, Polished, XS

One Wire Alternator:

Yes

Alternator Amperage:

75 amp

Alternator Finish:

Polished

$415.99

/each

$545.00

-7%

Earls |

#425AT981506ERL

Earls AT981506ERL -6 AN Male Straight Union, Anodized Aluminum

(2)

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Male

Angle:

Straight

$9.42

/each

$10.19

Gen III/IV LS Engine ID Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

383 Engine Build and Dyno - '32 Roadster

Watch Zach build our 383 engine for the 1932 Roadster. Zach and Joe breathe new life into our 383 by adding a Holley 750 4 Barrel Carburetor and Dyers 4-71 blower.

Speedway Tech Talk - SBC/BBC Engine Priming

Greg walks step by step through priming your engine.

Engine Cylinder Numbers

On the Dyno at Speedway Motors Racing Engines

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

Engine Build and Dyno - 410 Sprint Car Build

Our sprint car is back, and it's ready for some power. Follow along as Speedway Motors Racing Engines puts together a thundering 410.

Centering a 525 Steering Gear

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

Wheels and Tires - 410 Sprint Car Build

We’re putting Weld Racing Wheels and tires on our 410 Sprint Car and finally dropping it on the ground. Check it out!

New Product Spotlight - 4th Quarter 2025 - Parts to Fuel Your Passion

Speedway Motors, a manufacturer, retailer and distributor of high-quality automotive parts and racing products, announced today new products now available on their website.

Rear Axle Assembly - 410 Sprint Car Build

Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Our team of builders continues to make progress on the car!

-9%

PerTronix |

#447828280HT

PerTronix 828280HT 8mm Spark Plug Wires, 180 Degree, Black

Conductor Style:

Spiral Core

Diameter:

$149.30

/kit

$164.23

Spectre 8131 Conical Filter, Black, 6.719in Tall, Round Tapered

Spectre Performance |

#4658131

Spectre 8131 Conical Filter, Black, 6.719in Tall, Round Tapered

(2)

Filter Color:

Black

Top Finish:

Chrome

$43.99

/each

Maxima |

#22933912

Maxima Racing Oils 22933901 Performance Oil, 10W30, 12 Quarts

(1)

Oil Weight:

10W30

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$103.99

/box

-24%

Vibrant |

#32100011

Vibrant Tight Radius 90 Deg Hose Fitting, Black, -6/-8/-10/-12AN

Angle:

90 degree

Material Type:

Aluminum

Finish:

Anodized

$24.79

/each

$32.79

Straight Socketless Reuseable Push-On Hose End for -6 AN Fitting

Speedway Motors |

#1061222

Straight Socketless Reuseable Push-On Hose End for -6 AN Fitting

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$11.99

/each

-7%

Earls |

#425AT700109ERL

Earls AT700109ERL Super Stock Straight -8 AN Female to 1/2 Inch Barb

(3)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$11.92

/each

$12.89

-34%

Fragola |

#617220105

Fragola 220105 Straight Adapter Hose End Fitting, -8 AN to -6 AN

(2)

Fitting Hose Size:

-8 AN

Fitting End A:

-6 AN Female

Fitting End B:

-8 AN Hose

$10.99

/each

$16.89

VS Racing |

#60312358

VS Racing S400T4FLMS 4 Inch Downpipe Flange W/Clamp T4 Flat, STL

(1)

Exhaust Pipe Size:

Material Type:

Mild Steel

Finish:

Natural

$54.99

/each

AutoMeter |

#1829240

AutoMeter 9240 Oil Temp Gauge, 2 1/16 Inch, 340 Deg.

Gauge Diameter:

2-1/16"

Gauge Series:

Analog

Gauge Style:

Analog

$184.99

/each

K&N 99-0533 Air Filter Oil, 8oz Squeeze Bottle

K&N |

#465990533

K&N 99-0533 Air Filter Oil, 8oz Squeeze Bottle

GTIN Code:

024844000293

$11.99

/each

Walker Engineering 300853 Carbon Fiber Sprint Car Air Box Base

Walker Performance |

#94030853

Walker Engineering 300853 Carbon Fiber Sprint Car Air Box Base

Shape:

Rectangle

Housing Material:

Carbon Fiber

Housing Finish:

Natural

$270.99

/each

Edelbrock |

#3258114

Edelbrock 8114 Pipe to Hose Barb Fitting, 1/2 to 3/8, Black Anodized

Fitting End A:

1/2" Hose barb

Fitting End B:

3/8" NPT Male

Angle:

Straight

$16.95

/each

-34%

Fragola |

#6172201071

Fragola 2201071-BL Straight Hose End Adapter Fitting, -6 AN to -8 AN

(1)

Fitting Hose Size:

-6 AN

Fitting End A:

-8 AN Female

Fitting End B:

-6 AN Hose

$15.49

/each

$23.48

Vapor Trapper |

#43900006

Shop48 FS38SIL Vapor Trapper Fuel Stopper

Sold in Quantity:

Each

$24.99

/each

Edelbrock |

#3258159

Edelbrock 8159 Pipe to Hose Barb Fitting, Straight, 1/2 in.NPT

Fitting End A:

5/8" Hose barb

Fitting End B:

1/2" NPT Male

Angle:

Straight

$21.95

/each

VS Racing |

#60341629

VS Racing 5TB50-1 5 PSI Spring For 50mm Wastegate

Wastegate Size:

50mm

Pressure Rating:

5 psi

Position:

Inner

$34.99

/each

AIM Technologies |

#91021865

AIM Technologies 2BT18650TD MyChron 5 Lithium Battery

(1)

Data Acquisition Replacement Component Type:

Battery

Sold in Quantity:

Each

$89.99

/each

Valvoline |

#7956790831

Valvoline 679083 VR1 10W30 Synthetic Motor Oil, Quart

(2)

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

$13.99

/quart

K&N RC-5052AB Apollo Universal Cold Air Intake Kit, Red Filter

K&N |

#465RC5052AB

K&N RC-5052AB Apollo Universal Cold Air Intake Kit, Red Filter

Filter Color:

Red

Material Type:

Cotton Gauze

$262.99

/each

-42%

Fragola |

#61770131

Fragola 495103-BL AN to O-Ring Fitting, -8 AN Flare to -8 AN Port

(5)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$13.99

/each

$24.21

Valvoline |

#7956790821

Valvoline 679082 VR1 20W50 Synthetic Motor Oil, Quar

(1)

Oil Weight:

20W50

Oil Type:

Synthetic

ZDDP Enhanced:

$13.49

/quart

FAST 30397-8 Precision-Flow LS3/L99/L76/LS7-Type 39lb/hr Injectors, 8

FAST Fuel Air Spark Technology |

#282303978

FAST 30397-8 Precision-Flow LS3/L99/L76/LS7-Type 39lb/hr Injectors, 8

Fuel Injector O-Rings Included:

Yes

Injector Plug Style:

USCAR/EV6/EV14

$400.95

/set

Aluminum -6 AN Flare Fitting Cap, Black Anodized

Speedway Motors |

#61761961

Aluminum -6 AN Flare Fitting Cap, Black Anodized

(4)

Material Type:

Aluminum

Sold in Quantity:

Each

$6.99

/each

-7%

Earls |

#425AT709167ERL

Earls AT709167ERL Super Stock 90 Degree -6 AN Female to 3/8 Inch Barb

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$33.84

/each

$36.61

-7%

Holley |

#425554202

Holley EFI 554-202 Budget Temp, Pressure, IAT and Map Sensor Kit

MAP Sensor Range:

1 bar

Sold in Quantity:

Kit

$318.95

/kit

$345.95

Spectre 9148 Air Intake Tube Mounting Flange, 4 Inch, Each

Spectre Performance |

#4659148

Spectre 9148 Air Intake Tube Mounting Flange, 4 Inch, Each

GTIN Code:

089601914800

$9.99

/each

Maxima |

#229019128

Maxima Racing Oils 39-019128 RS Full Synthetic, 10W30, 1 Gallon

Oil Weight:

10W30

Oil Type:

Synthetic

ZDDP Enhanced:

Yes

$76.99

/gallon

New Product

Universal Baffled Oil Catch Can Kit, 750ml Capacity, Black

Speedway Motors |

#91008313

Universal Baffled Oil Catch Can Kit, 750ml Capacity, Black

Diameter:

2.48"

Height:

7.36"

Fitting Attachment 1:

Hose barb

$79.99

/each

Vapor Trapper |

#43900005

Shop48 Billet 2-1/2 inch Clamps for Vapor Trapper

Sold in Quantity:

Pair

$149.99

/pair

Driven Racing Oil |

#910021071

Driven Racing Oil 02106 HR1 Conventional 15W50 Motor Oil, 1 Quart

(7)

Oil Weight:

15W50

Oil Type:

Conventional

ZDDP Enhanced:

Yes

$11.99

/quart

Edelbrock |

#3258178

Edelbrock 8178 Pipe to Hose Barb Fitting, 90 Deg, 1/2 in. NPT

(1)

Fitting End A:

5/8" Hose barb

Fitting End B:

1/2" NPT Male

Angle:

90 degree

$38.95

/each

Showing 1 - 324 of 1,515 results

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2004 BMW 325i Engine Parts

Subcategory

Part

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

AutoMeter 9253 Extreme Oil Press. Gauge, 2-1/16, 0-120 PSI,Flat

Aluminum -10 AN Flare Fitting Cap, Black Anodized

Powermaster 28164 Denso Style Race Alternator, 75A, Polished, XS

Earls AT981506ERL -6 AN Male Straight Union, Anodized Aluminum

Related Articles

PerTronix 828280HT 8mm Spark Plug Wires, 180 Degree, Black

Spectre 8131 Conical Filter, Black, 6.719in Tall, Round Tapered

Maxima Racing Oils 22933901 Performance Oil, 10W30, 12 Quarts

Vibrant Tight Radius 90 Deg Hose Fitting, Black, -6/-8/-10/-12AN

Straight Socketless Reuseable Push-On Hose End for -6 AN Fitting

Earls AT700109ERL Super Stock Straight -8 AN Female to 1/2 Inch Barb

Fragola 220105 Straight Adapter Hose End Fitting, -8 AN to -6 AN

VS Racing S400T4FLMS 4 Inch Downpipe Flange W/Clamp T4 Flat, STL

AutoMeter 9240 Oil Temp Gauge, 2 1/16 Inch, 340 Deg.

K&N 99-0533 Air Filter Oil, 8oz Squeeze Bottle

Walker Engineering 300853 Carbon Fiber Sprint Car Air Box Base

Edelbrock 8114 Pipe to Hose Barb Fitting, 1/2 to 3/8, Black Anodized

Fragola 2201071-BL Straight Hose End Adapter Fitting, -6 AN to -8 AN

Shop48 FS38SIL Vapor Trapper Fuel Stopper

Edelbrock 8159 Pipe to Hose Barb Fitting, Straight, 1/2 in.NPT

VS Racing 5TB50-1 5 PSI Spring For 50mm Wastegate

AIM Technologies 2BT18650TD MyChron 5 Lithium Battery

Valvoline 679083 VR1 10W30 Synthetic Motor Oil, Quart

K&N RC-5052AB Apollo Universal Cold Air Intake Kit, Red Filter

Fragola 495103-BL AN to O-Ring Fitting, -8 AN Flare to -8 AN Port

Valvoline 679082 VR1 20W50 Synthetic Motor Oil, Quar

FAST 30397-8 Precision-Flow LS3/L99/L76/LS7-Type 39lb/hr Injectors, 8

Aluminum -6 AN Flare Fitting Cap, Black Anodized

Earls AT709167ERL Super Stock 90 Degree -6 AN Female to 3/8 Inch Barb

Holley EFI 554-202 Budget Temp, Pressure, IAT and Map Sensor Kit

Spectre 9148 Air Intake Tube Mounting Flange, 4 Inch, Each

Maxima Racing Oils 39-019128 RS Full Synthetic, 10W30, 1 Gallon

Universal Baffled Oil Catch Can Kit, 750ml Capacity, Black

Shop48 Billet 2-1/2 inch Clamps for Vapor Trapper

Driven Racing Oil 02106 HR1 Conventional 15W50 Motor Oil, 1 Quart

Edelbrock 8178 Pipe to Hose Barb Fitting, 90 Deg, 1/2 in. NPT