Description
AST Weld-in Roll Cage BMW E46 Sedan V1
The AST Weld-in Roll Cage BMW E46 Saloon V1 is a full roll cage for the BMW E46 with 4-door saloon bodywork. This Weld-in E46 Saloon V1 is the basic version of the weld-in family: a heavy main hoop with backstays, permanently welded to the bodyshell at 8 mounting points.
The cage is designed and built by AST Roll Cages in Spain, for drivers building up their E46 Saloon as a drift or track car and opting for the most rigid mounting method available.
Key benefits
- Permanently welded at 8 mounting points, for the most rigid possible connection to the bodyshell.
- Heavy main hoop in E355 steel with a diameter of 45 mm.
- Custom-digitised, with tubes that follow the inside of your E46 Saloon exactly.
- Complete weld-in kit with gussets, reinforcement plates and mounting hardware.
- Low weight of 71 kg, the lightest entry level in the weld-in family.
- Plenty of interior space, as this version does not yet have door bars or extra diagonals.
- Logical starting point for anyone building up their car step by step.
- Choice of anchorage: at the rear, the cage is anchored either in the rear suspension area or at the wheel arch; you specify your choice when ordering.
Suitable for
BMW E46, 4-door saloon
- BMW E46 4-door saloon
- Type: weld-in roll cage, version V1
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN05579
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Type: full roll cage, weld-in (permanent)
- Main hoop: E355 steel, 45 mm diameter
- Secondary structure: E355 steel, 40 mm diameter
- Foot plates: 3 mm steel, custom-designed for each car
- Mounting: 8 welded mounting points on the bodyshell
- Weight: 71 kg (manufacturer’s figure)
- Finish: unpainted weld-in kit
- Included: weld-in kit, gussets, reinforcement plates, bolts, washers and nuts, documentation, fitting instructions and sticker set
Fitting and delivery
The cage is built to order; the standard delivery time is 15 to 35 working days. The welding should be carried out by a specialist, as the 8 welded mounting points are permanent and determine how forces are absorbed by the bodyshell. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly.
The V1 is the lightest weld-in roll cage for the E46 saloon and, with eight welded mounting points, lays the foundation on which the heavier versions build.
Why choose this Weld-in E46 Saloon V1 roll cage?
A welded-in cage is more rigid than a bolted cage, because the tubes become a genuine part of the bodyshell. Anyone using their E46 saloon seriously on track or for drifting starts with this basic structure while keeping maximum freedom of movement in the interior. The kit is supplied unpainted, leaving you free to choose your own colour and finish.
Frequently asked questions
What exactly will I receive?
You receive an unpainted weld-in kit with the tubes of the Weld-in E46 Saloon V1, gussets, reinforcement plates, bolts, washers and nuts, documentation, fitting instructions and a sticker set.
Will this cage fit my car exactly?
AST scans the bodyshell of the E46 saloon with laser scanners and designs the cage in 3D to those dimensions, so the tubes fit neatly. Have the alignment and welding carried out by an experienced welder.
Where does the cage anchor at the rear?
You choose this yourself when ordering: in the rear suspension area or at the wheel arch. AST builds the structure for the area you specify.
What is the delivery time?
The standard delivery time for this roll cage is 15 to 35 working days.
Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.








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