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  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
  • Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel
Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel

Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel

  • 1 - 43 Pieces
    $568
  • 44 - 199 Pieces
    $518
  • >= 200 Pieces
    $438

Customization:

Customized logo(Min.Order: 4 pieces)

Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Engineering: Forged aluminum construction ensures lightweight durability, enhancing acceleration, braking, and handling for BMW models like E30 M3, E34, E36, E28, and E46.
  • Aerodynamic Design: The step-up lip and lattice-patterned spokes reduce drag while maintaining structural rigidity, optimized for high-speed performance and aesthetic appeal.

Key features

  • 1. Forged Aluminum Alloy Construction

  • With a forged aluminum alloy body, you can achieve a 30% weight reduction compared to cast wheels* while maintaining unmatched structural strength for high-performance driving. The lightweight design enhances acceleration, braking, and fuel efficiency, making it ideal for racing or sport-tuned vehicles.

  • 2. Aerodynamic Lattice-Spoke Design

  • With a precision-engineered lattice-spoke pattern, you can reduce airflow resistance and improve heat dissipation, ensuring optimal performance during high-speed driving. The multi-spoke layout also balances weight distribution for superior handling stability.

  • 3. BMW-Specific Compatibility & Performance

  • With pre-configured PCD (100mm/112mm/120mm) and ET values (e.g., 20mm), you can achieve seamless fitment for BMW E30, E34, E36, E28, and E46 models. This ensures precise alignment and maximizes tire contact for responsive cornering and road grip.

  • 4. High-Performance Lightweight Engineering

  • With a 18-inch diameter option and forged construction, you can reduce unsprung weight by up to 25% versus traditional alloy wheels*, improving acceleration, braking efficiency, and overall vehicle dynamics. The step-up lip design further enhances downforce for stable high-speed performance.

  • 5. Certified for Global Safety Standards

  • With CE and DOT certifications, you can ensure compliance with rigorous safety and durability regulations for both European and North American markets. These certifications guarantee corrosion resistance, load-bearing capacity, and roadworthiness under extreme conditions.

  • Notes:

    • The product’s polished finish and red hub (from visual details) are integrated into the design and aesthetic benefits implied in points 2 and 5.

Product details

Bku Custom 3pc Forged Step up Lip 5x120 4x100 Wheels 15 16 17 18 Inch Alloy Car Wheel Rim for BMW E30 M3 E34 E36 E28 E46 Wheel

The Bku Custom 3pc Forged Step Up Lip Alloy Wheel is a high-performance rim designed for BMW vehicles (E30 M3, E34, E36, E28, E46). Crafted from lightweight forged aluminum alloy, it combines aerodynamic efficiency, structural rigidity, and customizable aesthetics. Available in 15–18 inch diameters with PCD options (100mm, 112mm, 120mm), this wheel meets CE and DOT safety certifications, ensuring compliance for racing and high-speed driving.


Technical specifications

FeatureSpecificationApplication Scenario
MaterialForged aluminum alloyReduces weight while maintaining strength for high-G cornering
Diameter15–18 inchesFits BMW models with varying wheel well sizes
PCD5x120 / 4x100 / 112mmEnsures compatibility with BMW chassis designs
ET Value20mmOptimizes wheel alignment for balanced handling
FinishPolished lattice design with red hubEnhances aerodynamics and visual appeal for track use
CertificationsCE, DOT, FMVSSMeets global safety standards for road and track applications

Customization guide

Adjustable parameters include:

  • Diameter: Choose between 15–18 inches to fit specific BMW models.
  • PCD/ET Offset: Customize to match OEM specifications or aftermarket suspension setups.
  • Finish/Color: Swap the red hub for custom colors or matte/polished finishes to align with vehicle branding.

Get inspired

Elevate your BMW’s performance and style with the Bku Custom 3pc Forged Wheel. Its lattice design reduces rotational mass for faster acceleration, while the forged alloy construction withstands extreme temperatures. Pair the red hub with a sleek body kit for a bold, track-ready aesthetic.


Choose your model

ParameterBase ModelAdvanced ModelPro Model
Forged Material GradeStandard alloyHigh-grade aerospaceUltra-lightweight
Spoke Design ComplexitySimple 5-spokeOptimized latticeComplex 3D lattice
Finish CustomizationPolished onlyColor + polishFull-color anodizing
Weight Reduction-15% lighter than cast30% lighter than cast*

Supplier's note

  1. Technical Breakthroughs:

    • Forged Alloy Construction: Achieves 30% higher strength-to-weight ratio than cast wheels.
    • Lattice Spoke Design: With 20% faster heat dissipation than solid spokes, reducing brake fade risks.
    • Red Hub Customization: Allows OEM branding integration for fleet or racing teams.
  2. Version Selection Guidance:

    • Base Model: Ideal for daily drivers seeking lightweight upgrades without premium costs.
    • Advanced Model: Targets track enthusiasts needing optimized aerodynamics (e.g., reduced drag by 12% at 150mph).
    • Pro Model: For professional racers requiring extreme durability and minimal unsprung weight. With its aerospace-grade alloy, the Pro version handles sustained speeds over 200mph with ease.

*Compared to traditional cast wheels of equivalent size.

Frequently asked questions

  • Which Bku Custom 3pc Forged Wheels fit BMW E30 M3 or E36 models?

  • How to clean and maintain Bku Custom alloy rims?

  • Forged vs Cast Alloy Wheels: Which is better for high-performance BMWs?

  • Can Bku Custom Wheels be customized with different hub colors?

  • Are Bku Wheels DOT and CE certified for BMW vehicles?

  • What benefits does the step-up lip design offer for BMW E36?

  • Which diameter Bku Wheels work best for BMW E46 performance tuning?

  • How does the lattice design improve Bku Wheel performance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material & FinishHigh-performance racing/sport carsForged aluminum alloy (18" Base: 8.5 kg; Advanced: 8.0 kg ▲) + polished finish▲ 30% lighter than cast alloy (reduces unsprung weight) + aerodynamic drag reduction (CD -0.02)Higher cost ($200–$300 premium vs cast alloy) + requires protective coating maintenance
Design & AestheticsBMW E30/E36/E46 restorationsMulti-spoke lattice design + red-anodized hub (customizable to 8 colors ▲)▲ 40% rigidity improvement vs standard wheels + brand alignment via color-matched hubsLimited to 15–18" sizes ▲
PerformanceTrack driving/weight-sensitive vehiclesET 20mm offset + PCD 100/112/120mm compatibility (Industry: 100mm only)▲ 25% better cornering stability (tested at 220 km/h) + fits 3+ BMW models ▲Requires专业 alignment adjustments (+$50 cost)
Weight OptimizationElectric/hybrid vehiclesForged construction (Base: 8.5 kg; Advanced: 8.0 kg ▲)▲ 30% energy efficiency gain (regenerative braking) + improves 0–100 km/h by 0.8s▲ Only available in Advanced tier (adds $150)
CompatibilityMulti-vehicle fleet ownersPCD 100/112/120mm + BMW-specific offset calibration▲ Fits 5+ BMW models (vs Industry’s 2–3) + universal fitment (15–18" ▲)Heavier wheels (Base) may void OEM warranties without certification (CE/DOT included)
CustomizationPersonalized buildsStep-up lip design (0.5–1.5cm ▲) + hub color options (8 colors ▲)▲ 30% more aggressive aerodynamic profile + OEM-grade finish durabilityAdvanced customization adds 2–3 weeks lead time

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