Description
AST Multipoint Weld-in Roll Cage BMW E36 Compact V4
The AST Multipoint Weld-in Roll Cage BMW E36 Compact V4 is a full roll cage for the BMW E36 with 3-door Compact bodywork. This Multipoint Compact V4 is the most substantial version in the range and adds extra diagonal bars and harness bars on top of the V3, permanently welded in at ten points.
The cage is designed and built by AST Roll Cages in Spain, for drivers who want to build up their Compact fully and be able to attach the harnesses to the cage itself.
Key benefits
- Harness bars for attaching your harnesses, the biggest difference from the V3.
- Extra diagonal bars that further cross-brace the structure.
- Door bars and front reinforcement bars carried over from the V3 layout.
- Full roll cage in the most complete configuration of the Compact range.
- Ten welded mounting points for a permanent connection to the bodyshell.
- Unpainted weld-in kit, ready to be finished in your own colour after welding in.
- 71 kg according to the manufacturer’s figure from AST Roll Cages.
Suitable for
BMW E36, 3-door Compact
- BMW E36 3-door Compact
- Type: multipoint weld-in roll cage, version V4
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN02863
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the rear suspension area
- Rear structure layout: V design
- Type: full roll cage, multipoint weld-in (permanent)
- Main hoop: E355 steel, 45 mm diameter
- Secondary structure: E355 steel, 40 mm diameter
- Foot and reinforcement plates: 3 mm steel, custom-designed for each car
- Mounting: 10 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. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly. Determine the final seat position before welding, as the harness bars need to sit at the correct height behind the seat.
The Multipoint Compact V4 is the most complete version: everything from the V3, plus diagonal bars and harness bars.
Why choose this Multipoint Compact V4 roll cage?
The V4 is the final version in the range and leaves nothing out: the front section, the doors and the rear section are all fully developed, with diagonal bars that spread the loads further. The harness bars also mean your harness system can be attached directly to the cage instead of to the bodyshell. If you want to build up your Compact properly in one go, this is the one to choose.
Frequently asked questions
What does the V4 add compared with the V3?
The Multipoint Compact V4 has extra diagonal bars and harness bars that the V3 does not have. The door bars, the front reinforcement bars and the ten welded mounting points remain unchanged.
Can I attach my harnesses to this cage?
Yes, this version has harness bars for that purpose. When attaching your harnesses, always follow the instructions of the harness manufacturer and the regulations of the federation you compete under.
What material is the cage made of?
The main hoop is made of E355 steel with a diameter of 45 mm, and the rest of the structure is E355 steel with a diameter of 40 mm. The foot plates and reinforcement plates are 3 mm thick and are custom-designed for each car.
What is the delivery time?
The standard delivery time for this roll cage is 15 to 35 working days.








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