Madness: Cutting a Mustang in Half to Build Widebody

Wildest Build Ever Seen!

Under-budget car builds can take either the form of crazy or the road to genius. So, it is hard for us to designate which of Casey’s Customs sub-$1000 build falls under. The plan for this project involved a highly convoluted method as it necessitated segmenting an original Ford Mustang to graft it onto an E39-generation BMW 5 Series chassis, rendering it far wackier than most other builds!

Casey purchased the run-down Mustang from a meadow for a mere $300, whereas the BMW from a car parts junk yard had cost him $600. After having been neglected in the great outdoors for a number of years now, there appeared to be little point in investing into fixing it up completely.

Casey wielded his Sawzall and grinder to strip unnecessary metal from the Mustang, while carefully removing all external panels from the BMW.


Casey divested himself of all the re-usable components from the BMW and all the scrap metal from the Mustang in order to meet his $1,000 budget. His primary priority was to address the damage sustained by the BMW’s suspension. The sole item that needed to be purchased was the lower control arm, a $32 expenditure.

In order to incorporate the Mustang bodyshell onto the expansive BMW undercarriage, Casey split the Mustang in two – lengthwise, starting from the front and continuing towards the rear, completely diverging from the disconcertingル Honda Civic example cut crossways. Previous to bisecting the cabriolet, the windshield and rear window structures had to be slashed off, ergo tailoring a new glass was not mandatory. After amending the breadth of the shell, the windshield and back window structures were welded on afresh, similarly the trunk lid frame was also reattached to sustain its initial width.

Initially, Casey pieced together the shell with an eight-inch gap throughout, but ultimately was coerced into retaining the original width of the car at the back and preserving a six-inch slit on the cowl.

He subsequently conjoined the two vehicles, finishing with something resembling a classic ‘Stang. Though far from completion, this anomalous creation leaves us longing to observe its completion.

Casey disbursed $300 for his Mustang, another $600 for the BMW, $32 for its related control arm, and another $100 towards Mustang doors and bumpers. In total, he had invested $1,032 but was relieved by the repayment of $500 from selling some BMW parts plus the $47.83 received from recycling scrap metal on September 12th, 2023, henceforth setting the balance to a pleasing $484.13.

Casey has many remnants of his BMW build still to be sold, potentially generating him a profit off the end result. This is a testament to what can be achieved with a bit of elbow grease and some knowledge; we’re certainly excited to observe the ultimate outcome.

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