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Introduction of fixed side steps, roof platform with side ladder, electric running boards, and antenna in BJ30 Offroad Retrofit by Asiautos Auto Parts(BAIC Aftermarket Parts Expert)

by Jason Chen on Jun 03, 2025
Introduction of fixed side steps, roof platform with side ladder, electric running boards, and antenna in BJ30 Offroad Retrofit  by Asiautos Auto Parts(BAIC Aftermarket Parts Expert)

Edited by Asiautos Auto Part

The BJ30 Offroad Retrofit transforms Beijing Offroad’s compact SUV into a fully equipped adventure vehicle. Designed for enthusiasts who demand both utility and style, this package includes four critical components: Fixed Side Steps, Roof Platform with Integrated Side Ladder, Electric Running Boards, and a High-Performance Antenna System. Each element combines rugged durability with intelligent engineering to conquer challenging terrains while maintaining the BJ30’s urban sophistication.

1. Fixed Side Steps: Robust Protection & Convenient Access

Material & Construction

  • Constructed from aerospace-grade 6061-T6 aluminum alloy with a black powder-coated finish for corrosion resistance.

  • Reinforced steel mounting brackets withstand up to 300kg dynamic load (200kg static).

  • Non-slip textured surface with diamond-pattern treads ensures secure footing in wet/muddy conditions.

Design Features

  • Low-Profile Integration: Maintains ground clearance (adds only 40mm height) while providing 320mm width for optimal foot placement.

  • Structural Reinforcement: Tubular design with internal ribbing prevents deformation during rock crawling or side impacts.

  • Terrain Adaptability: Angled edges deflect debris, and drain holes prevent mud/water accumulation.

Installation & Compatibility

  • Direct bolt-on replacement for factory side skirts using OEM mounting points (no drilling required).

  • Compatible with all BJ30 trims (2022–present), including models with factory rock rails.

Use Case Benefits

  • Enables easier roof rack access when combined with the roof platform ladder.

  • Acts as a partial barrier against trail obstacles (rocks, branches) to protect door panels.

2. Roof Platform with Side Ladder: Modular Cargo & Expedition Readiness

Platform Specifications

  • Dimensions: 1400mm (L) × 1100mm (W) × 50mm (H); weight capacity 150kg (dynamic)/300kg (static).

  • Laser-cut aluminum slats with hexagonal perforations reduce wind noise and allow tie-down flexibility.

  • Integrated LED light channels (optional) for nighttime cargo management.

Ladder System

  • Foldable 3-step aluminum ladder with 75° incline for ergonomic climbing.

  • Automatic locking hinges deploy with one-handed operation; folds flush against the platform when stowed.

  • Weight rating: 120kg per step; rubberized contact points prevent paint damage.

Engineering Highlights

  • Aerodynamic Profile: Wind tunnel-tested to minimize drag (adds only 0.02 Cd to vehicle coefficient).

  • Water Drainage: Channels direct runoff away from the sunroof/roof seams.

  • Security: Lockable crossbars deter theft of mounted equipment (e.g., spare tires, Pelican cases).

Practical Applications

  • Supports rooftop tents, jerry cans, or recovery gear while maintaining a low center of gravity.

  • Ladder enables safe loading/unloading without relying on tire steps or door frames.

3. Electric Running Boards: Smart Entry for Offroad & Urban Use

Deployment Mechanism

  • Motorized arms deploy in 0.8 seconds with a 40° downward angle; retract fully under chassis when inactive.

  • IP67-rated actuators withstand submersion in 1m water for 30 minutes.

User Experience

  • Auto-Sensing Triggers: Deploys upon door unlock via key fob or proximity sensor; retracts when doors lock or vehicle exceeds 15 km/h.

  • Override Modes: Manual control via cabin switch for wash mode or technical terrain.

Durability Features

  • 3mm thick 304 stainless steel steps with anti-skid rubber inserts.

  • Self-diagnostic system alerts via dashboard if obstruction or motor fault is detected.

Performance Advantages

  • Improves accessibility for lifted suspensions (up to 2” over stock) without compromising breakover angle.

  • Silent operation with 65dB noise level during deployment.

4. High-Gain Antenna System: Reliable Communication

Technical Specifications

  • Frequency Range: 144–148 MHz (VHF) / 430–440 MHz (UHF) for amateur radio/GMRS compatibility.

  • Gain: 6dB (VHF), 8dB (UHF); max power handling 50W.

  • Construction: Carbon fiber whip with stainless steel base; length-adjustable from 60cm to 1.2m.

Mounting & Integration

  • Magnetic or permanent bracket options (roof/door hinge mounts).

  • Coaxial cable routed through factory grommets to minimize interior modifications.

Operational Benefits

  • Extends signal range to 15–20km in open terrain (vs. 5km for handheld units).

  • Flexible design prevents damage when brushing against tree branches.

Synergistic Advantages of the Full Retrofit Package

  1. Weight Distribution: Combined weight under 45kg (excluding roof cargo) avoids significant MPG penalties.

  2. Aesthetic Cohesion: Matte black finishes and angular designs complement the BJ30’s factory styling.

  3. Turnkey Adventure Prep: Eliminates aftermarket compatibility issues with pre-engineered bolt-on solutions.

Ideal For:

  • Overlanding setups requiring quick access to roof-stored gear.

  • Urban users seeking rugged visual upgrades with retained pavement manners.

  • Radio operators needing dependable comms during remote travel.

This retrofit package elevates the BJ30 from a capable crossover to a serious offroad contender without sacrificing daily drivability. Each component undergoes 2,000km of mixed-terrain validation to ensure longevity under real-world conditions.

BJ30001 BJ40001 BJ40019
BJ30002 BJ40002 BJ40020
BJ30003 BJ40003 BJ40021
BJ30004 BJ40004 BJ40022
BJ30005 BJ40005 BJ40023
BJ30006 BJ40006 BJ40024
BJ30007 BJ40007 BJ40025
BJ30008 BJ40008 BJ40026
BJ30009 BJ40009 BJ40027
BJ30010 BJ40010 BJ40028
BJ30011 BJ40011 BJ30012
BJ40017 BJ40015 BJ30013
BJ30014 BJ40016 BJ40018

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Tags: Design highlights, Functional value, Material and structure
Previous
Introduction of Offroad Retrofit underbody protection plates, defender-inspired rooftop platform, King Kong II roof rack, and side awning in BJ30 by Asiautos Auto Parts(BAIC Aftermarket Parts Expert)
Next
Introduction of Windtalker front bumper, Windtalker rear bumper, Rhino front bumper and Rhino rear bumper in BJ40 Offroad Retrofit by Asiautos Auto Parts(BAIC Aftermarket Parts Expert)

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