Description
AST Weld-in Roll Cage BMW E34 Sedan V1
The AST Weld-in Roll Cage BMW E34 Sedan V1 is a full roll cage for the BMW 5 Series E34 with 4-door saloon bodywork. This Weld-in E34 Sedan V1 is the basic version with main hoop and braces, and is permanently welded to the bodyshell at 8 points.
The cage is designed and built by AST Roll Cages in Spain, for builders who want to set up their E34 properly in one go and are looking for the lightest, most rigid mounting method.
Key benefits
- Eight welded mounting points make the cage an integral part of the bodyshell, giving the most rigid connection.
- Lightweight weld-in kit: at 71 kg (manufacturer’s figure), this is the lightest way to reinforce the E34.
- E355 steel for the main hoop with a diameter of 45 mm, the rest of the structure in 40 mm.
- Gussets and reinforcement plates in 3 mm steel, so that the forces are spread through the sheet metal.
- Tailored to the E34: the larger, heavier saloon bodyshell is scanned and the cage is designed in 3D.
- Supplied unpainted, which makes sense for a weld-in kit, since it is finished after fitting anyway.
- Documentation included, with fitting instructions and a sticker set.
Suitable for
BMW 5 Series E34, 4-door saloon
- BMW E34 5 Series 4-door saloon
- Type: weld-in roll cage, version V1
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN05587
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the rear suspension area
- 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. Fitting is permanent and the welding should be done by a specialist, with the interior stripped and clean around the welding areas. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly.
Eight welded mounting points turn the basic cage and the E34 saloon into a single structure, rather than two parts bolted together.
Why choose this Weld-in E34 Saloon V1 roll cage?
If you have a stripped E34 in the workshop, welding the cage in straight away is the best option. A fixed connection has no play in bolt holes and transfers the forces directly into the sheet metal. The V1 gives you that foundation at the lowest weight in the range.
Frequently asked questions
Can I weld this cage in myself?
The Weld-in E34 Sedan V1 is a permanent structure and should be fitted by an experienced welder. A safety product stands or falls by the quality of its welds.
What is included in the kit?
An unpainted weld-in kit with gussets, reinforcement plates, bolts, washers and nuts, documentation, fitting instructions and a sticker set.
What is the delivery time?
The standard delivery time for this roll cage is 15 to 35 working days.








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