Description
AST Weld-in Roll Cage BMW E46 Coupé V5
The AST Weld-in Roll Cage BMW E46 Coupé V5 is a full roll cage for the BMW E46 with 2-door coupé bodywork. This Weld-in E46 V5 is the most comprehensive version in the range, with everything the V4 offers plus the heaviest layout AST designs for this chassis. The cage is permanently welded to the bodyshell at 8 points.
The cage is designed and built by AST Roll Cages in Spain, for drivers who don’t want to upgrade later but want the full version in the car straight away.
Key benefits
- Most comprehensive version, the top of the range for the E46 Coupé.
- Everything from the V4, door bars, extra diagonal bars and harness bars are all included.
- Maximum rigidity, the more interconnected bars, the less the body can flex.
- Eight welded mounting points, the cage becomes a permanent part of the bodyshell.
- 71 kg, the stated weight remains 71 kg for this version too.
- Unpainted weld-in kit, your welder takes care of the fit, you choose the colour.
- Fixed specification, the cage is designed for a roof without a sunroof and without headlining.
Suitable for
BMW E46, 2-door Coupé
- BMW E46 2-door Coupé
- Type: weld-in roll cage, version V5
- Drifting, track use and rallying
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN00644
- Sunroof: for roofs without a sunroof
- Headlining: for roofs without headlining
- Rear anchorage: in the rear suspension area
- Rear structure layout: X design
- 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. Allow plenty of time for fitting, as this is the version with the most tubing and therefore also the most welding. AST digitises the bodyshell with laser scanners and designs the cage in 3D, so even with this full build your welder will hardly need to make any adjustments.
The V5 is the end point of the range: everything AST designs for the E46 Coupé is included.
Why choose this Weld-in E46 V5 roll cage?
If you only want to strip your E46 Coupé once, go straight for the V5. You pay once for the complete structure and never have to strip the car again to have extra bars welded in. For a car that needs to last for years in competition, that is the cheapest route.
Frequently asked questions
What extra do you get compared with the V4?
The Weld-in E46 V5 is the most comprehensive version in this range and builds on everything the V4 already offers, with door bars, extra diagonal bars and harness bars.
Does the number of welded mounting points stay the same?
Yes, this weld-in version is also welded to the bodyshell at 8 points; only a multipoint weld-in cage uses 10.
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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