Description
AST Multipoint Weld-in Roll Cage BMW Z3 Roadster V3
The AST Multipoint Weld-in Roll Cage BMW Z3 Roadster V3 is a full roll cage for the BMW Z3 with 2-door Roadster bodywork. This Multipoint Z3 Roadster V3 has ten welded mounting points and adds door bars to the V2.
The cage is designed and built by AST Roll Cages in Spain, for drivers who do serious track work and don’t leave the side protection of their open two-seater to chance.
Key benefits
- Door bars protect you in a side impact, the weakest point of a convertible.
- Ten welded mounting points distribute the forces better than the eight on the standard weld-in cage.
- Front structure to the bulkhead is retained from the V2.
- Solid base for the suspension, so your suspension travel behaves more predictably.
- E355 steel, 45 mm main hoop and 40 mm for the rest of the structure.
- Foot plates in 3 mm steel, designed for each car around the strong points of the floor pan.
- Complete weld-in kit with gussets and mounting hardware.
Suitable for
BMW Z3, 2-door Roadster
- BMW Z3 Roadster, the open two-seater built from 1995 to 2002
- Type: multipoint weld-in roll cage, version V3
- Not suitable for the BMW Z3 Coupé. AST does not supply a cage for the closed coupé; this cage is designed around the open bodywork of the Roadster and will not fit the coupé.
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN02927
- Rear anchorage: in the rear suspension area
- Rear structure layout: X design
- Roof compatibility: suitable for the original hardtop
- Type: full roll cage, multipoint 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: 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. Door bars make getting in tighter. Adjust your seating position and helmet accordingly before the bars are permanently welded in.
Ten welded mounting points and door bars: the combination that protects an open Z3 all round.
Why choose this Multipoint Z3 Roadster V3 roll cage?
AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly. With door bars this is crucial, as they have to fit into the narrow space between seat and door without restricting your freedom of movement. The cage is intended for track and competition use; always check the regulations of your own organiser before ordering.
Frequently asked questions
Does this cage also fit a BMW Z3 Coupé?
No. The Multipoint Z3 Roadster V3 is exclusively for the open Roadster. AST does not supply a cage for the Z3 Coupé, so this product is not suitable for the closed version.
How do I know the cage will fit?
AST scans the bodyshell of this model with laser scanners and then draws the cage in 3D. As a result, the welded mounting points and foot plates are laid out specifically for the Z3 Roadster and are not universal.
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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