Buildjournal Front Race Splitter – E46 M3

$240.00$295.00

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Increase downforce with our E46 M3 Front Race Splitter. Our CAD-traced splitters are machine cut using aluminum composite material. This will fit E46 M3 as well as E46 non-M with M front bumper. 100% compatible with our Quick-Release Adjustable Front Splitter Brackets and Splitter Brace.

Type 1 is a rounded corner design.
Type 2 is a straight-side design with 11″ side cuts, made compatible for winglets such as the RS Future Winglets.

Alumalite – aluminum composite with a high-density corrugated polypropylene core – 5.8 lbs.

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Add-On Features


SKU 16549 Categories , Tag


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Splitter+Lip Options

Splitter sizes can be generally adjusted +/- 1"

LipFrontSide
Bimmerworld Riser6.5"3.5"
ACS Poly4.5"1.5"
ACS FRP/CF5"1.5"
Factory6.5"3.5"

Alumalite

Aluminum composite panel with a high-density corrugated polypropylene core

Alumalite
Lightweight
Stiffness
Impact Resistance

Alupoly

Aluminum composite panel with a solid polyethylene core

Alupoly
Lightweight
Stiffness
Impact Resistance
E46 M3 Front Splitter

Sturdy, Light Construction

Lightweight aluminum composite material that is highly water resistant. The unique core design makes it light, but very rigid.

Weighs Less Than 6 lbs (Alumalite)

The Alumalite material core is made with a corrugated plastic with 2 thin aluminum sheet sandwiching the core. If you're trying to reduce weight, this is a better option than wood, ABS plastic or Alupoly.

E46 M3 Front Splitter
E46 M3 Front Splitter

Splitter Guard (Add-On)

For those that want an extra layer of protection from road debris, our plastic splitter guard is a great add-on. It also improves the aesthetics of the lip.

Splitter Brace (Optional)

It is highly recommended to reinforce the front splitter with a Splitter Brace. This provides maximum frontal support of the splitter over hang without having to use splitter rods.

Splitter Brackets (Optional)

100% compatible with our splitter brackets.

Learn More

Splitter Extension

Extend the rear of the splitter by an additional 9" and accelerate low pressure air underneath the chassis. This is a separate panel that bolt's on to the E46 M3 Quick-Release Splitter Bracket Full Kit with Rear Support.

❗ Additional reinforcements for the Race Splitter, such as front splitter rods, are recommended to ensure stability during high-speeds. It is also critical to set the angle-of-attack (AOA) of the Race Splitter to eliminate excessive downwards angle at high-speeds. We recommend slightly positive (facing upwards) AOA from neutral 0 degrees.

Vehicle Fitment

MakeModelSubmodelEngine
BMWE46323CiM52 2.5L
BMWE46323iM52 2.5L
BMWE46325CiM54 2.5L
BMWE46325iM54 2.5L
BMWE46325xiM54 2.5L
BMWE46328CiM52 2.8L
BMWE46328iM52 2.8L
BMWE46330CiM54 3.0L
BMWE46330iM54 3.0L
BMWE46330xiM54 3.0L
BMWE46M3S54 3.2L
Additional information
Weight 9 lbs
Dimensions 69 × 0.25 × 23.25 in
Color

Black

Material

Alumalite, Alupoly

Brand

Buildjournal

Chassis

E46

Model

M3

Product Category

Body & Aero

Type

Type 1, Type 2

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Series Chassis Model
Series Chassis Model
3 Series E46 (99-06) 320i
3 Series E46 (99-06) 323Ci
3 Series E46 (99-06) 323i
3 Series E46 (99-06) 325Ci
3 Series E46 (99-06) 325i
3 Series E46 (99-06) 325xi
3 Series E46 (99-06) 328Ci
3 Series E46 (99-06) 328i
3 Series E46 (99-06) 330Ci
3 Series E46 (99-06) 330i
3 Series E46 (99-06) 330xi
3 Series E46 (99-06) M3
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