Description
AST Bolt-in Roll Cage BMW E39 Sedan V4
The AST Bolt-in Roll Cage BMW E39 Sedan V4 is a full roll cage for the BMW 5 Series E39 with 4-door saloon bodywork. This Bolt-in E39 Sedan V4 is the highest specification level of the bolt-in range for this chassis and is made for cars that are now used exclusively on the track or for drifting.
The cage is designed and built by AST Roll Cages in Spain, for teams and drivers who want the maximum amount of structure without being tied to a permanently welded-in frame.
Key benefits
- Highest level: the most complete bolt-in version AST designs for the E39 saloon.
- Maximum rigidity: the most tubing in the range, distributed throughout the cabin.
- Six welded foot plates: 3 mm steel, custom-designed for each car and reinforced.
- E355 steel: 45 mm main hoop, rest of the structure 40 mm.
- Based on a laser scan: the cage is designed around a digital model of your bodyshell.
- Still removable: the structure is bolted in and can be separated into sections via connecting sleeves.
- Complete package, including documentation, fitting instructions and a sticker set.
Suitable for
BMW 5 Series E39, 4-door saloon
- BMW E39 5 Series saloon, built 1995 to 2003
- Type: full bolt-in roll cage, version V4
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN07279
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the boot area
- Rear structure layout: V design
- Type: full roll cage, bolt-in (removable)
- 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: 6 bolting points on 6 foot plates welded to the bodyshell
- Weight: 210 kg (manufacturer’s figure)
- Finish: welded and unpainted, split into sections via connecting sleeves
- Included: welded structure, connecting sleeves, 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 complete version, so the car must be completely stripped before you start. The six foot plates are welded to the bodyshell and only then is the cage bolted onto them; have this welding done by a professional.
The most extensive bolt-in package AST builds for the E39 saloon, while remaining removable.
Why choose this Bolt-in E39 Saloon V4 roll cage?
For a car that is worked hard every weekend, rigidity is no luxury. This version offers the most framework in the range and anchors everything on six welded foot plates made of 3 mm steel. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so the tubes run tight along the pillars and leave room for the seat, harnesses and controls.
Frequently asked questions
Who is the most extensive version intended for?
The Bolt-in E39 Sedan V4 is intended for cars that are used almost entirely as competition cars. If you mainly drive on the road with the occasional track day, a lighter version from the same range makes more sense.
How much does the package weigh?
AST states a weight of 210 kg for this item. This is the shipping weight used by the manufacturer; bear it in mind for delivery and for handling in the workshop.
Is the cage approved for competition use?
The structure is intended for track and competition use. No homologation number is listed for this E39 product, so check the regulations of the governing body you compete under for yourself.
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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