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Description

AST Weld-in Roll Cage BMW E92 Coupé V4

The AST Weld-in Roll Cage BMW E92 Coupé V4 is a full roll cage for the BMW 3 Series E92 with two-door coupé bodywork. This Weld-in E92 Coupé V4 is welded in at eight points and includes the main hoop with backstays, the front reinforcement bars to the bulkhead, the door bars and an extra diagonal brace and harness bar.

The cage is designed and built by AST Roll Cages in Spain, for drivers who want a permanent structure that truly works as one with the bodyshell of their E92 Coupé.

Key benefits

• Eight welded mounting points: the cage is welded directly to the bodyshell and thus becomes a load-bearing part of the car.
• Maximum rigidity: a welded-in structure has no play in bolted joints, giving the sharpest response in fast corners.
• Full V4 package: main hoop with backstays, front bars to the bulkhead, door bars and an extra diagonal brace plus harness bar.
• Gussets included, so that the welds land on reinforced panelwork in the right places.
• E355 steel: main hoop with a diameter of 45 mm, the rest of the structure 40 mm, reinforcement plates in 3 mm steel.
• Laser-scan fit: AST digitally scans the bodyshell of the E92 Coupé and designs the cage in 3D, so hardly any test-fitting is needed.
• Unpainted: you weld, sand and then paint it in the colour of your choice.

Suitable for

BMW 3 Series E92, two-door Coupé

• BMW 3 Series E92 Coupé, years of manufacture 2006 to 2013
• Type: full roll cage, version V4
• Drifting, track use and rallying

The E92 is the two-door model of the E90 generation. The E90 saloon, the E91 Touring and the E93 convertible each have their own cage, which cannot be used in the Coupé.

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: CMBN00669
• Type: full roll cage, 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: 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. The interior has to be stripped out completely, and the wiring and fuel lines near the welded mounting points must be shielded. Have the welding done by someone experienced with this kind of structure, because a welded-in cage cannot simply be taken out again.

Welded in at eight points, so that the cage and the bodyshell of the E92 Coupé work as one structure.

Why choose this Weld-in E92 Coupé V4 roll cage?

AST digitises the bodyshell with laser scanners and designs the cage in 3D, so that it fits your car exactly and the welds end up in the intended places. The welded-in version is the choice for drivers who use their E92 Coupé permanently as a competition car: no bolted joints that can shift, just the maximum rigidity you can get from this design. The cage is intended for track and competition use; always check the regulations of your own organiser before entering.

Frequently asked questions

What is the difference from the bolt-in version?

The Weld-in E92 Coupé V4 is welded directly to the bodyshell at eight points and stays in permanently. The bolt-in version sits on six welded foot plates and is bolted to them, so the cage can be taken in and out of the car in sections.

What exactly is included in the package?

You receive the complete weld-in kit with gussets and reinforcement plates, the mounting hardware with bolts, washers and nuts, the documentation, the fitting instructions and the sticker set. Everything is supplied unpainted.

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.