Description
AST Multipoint Weld-in Roll Cage BMW E91 Touring V3 NASCAR door
The AST Multipoint Weld-in Roll Cage BMW E91 Touring V3 NASCAR Door Bars is a full roll cage for the BMW 3 Series E91 with 5-door Touring bodywork. This Multipoint E91 Touring V3 NASCAR is welded in at ten points and has several curved tubes in the door instead of the standard door bar.
The cage is designed and built by AST Roll Cages in Spain, for drift cars where the door area deserves extra attention.
Key benefits
- Full roll cage with ten welded mounting points and NASCAR door bars.
- NASCAR door bars: several curved tubes in the door instead of the standard door bar.
- V3 base with main hoop, braces and front reinforcement bars to the bulkhead.
- E355 steel: 45 mm main hoop, 40 mm for the rest of the structure.
- Foot plates and gussets in 3 mm steel, custom-designed for each car.
- Designed from a laser scan of the five-door Touring bodyshell.
- Unpainted weld-in kit with mounting hardware and fitting instructions.
Suitable for
BMW 3 Series E91, 5-door Touring
- BMW 3 Series E91 Touring, five-door bodywork
- Type: full roll cage, version V3 with NASCAR door bars
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the rear suspension area
- Rear structure layout: V design
- Manufacturer part number: CMBN04055
- 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
- Door protection: NASCAR door bars, several curved tubes in the door instead of the standard door bar
- 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 cage is welded to the bodyshell at ten points, which is a job for an experienced workshop.
Ten welded mounting points and several curved tubes in the door: that is the V3 NASCAR for the E91 Touring.
Why choose this Multipoint E91 Touring V3 NASCAR roll cage?
This Multipoint E91 Touring V3 NASCAR combines the ten welded mounting points of the multipoint range with a door filled with several curved tubes. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly. The cage is intended for track and competition use; check the regulations of your own organiser.
Frequently asked questions
What is the difference from the regular V3?
This version has several curved tubes in the door instead of the standard door bar. The rest of the structure and the ten welded mounting points are the same.
What is this cage intended for?
For track and competition use. Always check the regulations of your own organiser before you take the car to the start line.
Does it fit a saloon or coupé?
No, the cage is custom-made for the five-door Touring bodywork of the E91.
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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