Description
AST Weld-in Roll Cage BMW E46 Coupé V5 NASCAR door
The AST Weld-in Roll Cage BMW E46 Coupé V5 NASCAR Door Bars is a full roll cage for the BMW E46 with 2-door coupé bodywork. This Weld-in E46 V5 NASCAR is the most comprehensive version in the range, fitted with NASCAR-style door bars. Like the rest of the weld-in range, the cage is permanently welded to the bodyshell at 8 points.
The cage is designed and built by AST Roll Cages in Spain, for competition cars in which no compromises are made on protection.
Key benefits
- Top-of-the-range version, the most comprehensive cage AST offers for the E46 Coupé.
- NASCAR door bars, the heaviest side structure in the range.
- Harness bar and extra diagonals, harness mounting on the cage and maximum interconnection of the tubing.
- Eight welded mounting points, permanently joined to the bodyshell, with no separate connectors.
- 71 kg, the manufacturer’s figure for this complete structure.
- Unpainted weld-in kit, fit and weld first, then paint it in your own colour.
- Fixed specification: designed for a roof without a sunroof and without headlining.
Suitable for
BMW E46, 2-door Coupé
- BMW E46 2-door Coupé
- Type: weld-in roll cage, version V5 with NASCAR door bars
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN03590
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the rear suspension area
- Rear structure layout: X design
- 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. This is the most labour-intensive fitting job in the range, so agree the seat position and entry clearance with your welder beforehand. AST has digitised the bodyshell with laser scanners and designed the cage in 3D, so every tube of this top-of-the-range version is made to measure for your E46 Coupé.
Everything AST designs for the E46 Coupé, plus NASCAR door bars, in a single weld-in kit.
Why choose this Weld-in E46 V5 NASCAR roll cage?
This is the cage for drivers at the front of the field who don’t want to skip a single step. You get the complete V5 layout plus the side protection of NASCAR door bars. What you give up in ease of entry, you gain back in rigidity and safety.
Frequently asked questions
Who is this version intended for?
The Weld-in E46 V5 NASCAR is aimed at drivers who want to combine the most comprehensive layout with NASCAR-style door bars, for example in competition drifting and on the track.
How many welded mounting points does this cage have?
This weld-in version is welded to the bodyshell at 8 points; a multipoint weld-in cage uses 10.
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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