Former Donut Media host James Pumphrey whipped up this slick BMW E30 in just five days with the help of Castro Motorsports.

Swing the hood forward and that immaculate paint work that you admired on the outside is also found inside the bay, though the star of the show is the S54 engine swap. Plucked from an E46 M3 ...

Smith Vehicle Engineering’s gorgeous Oletha Coupe from last year can now be ordered with a bespoke version of BMW’s beloved S54 six-cylinder engine. So far, the Oletha Coupe has been available ...

But the stance, the sound, the immaculate work inside and out … there’s a lot to admire before even getting to the S54 engine under the hood. As BMW nerds will know, the S54 is the inline-six ...

However, around 15,000 miles (approximately 24,000 km) ago, the owner decided to part with the standard powertrain and replaced it with the S54 engine. This 3.2-liter naturally-aspirated six ...

Earlier this week, we asked our readers what their idea of the perfect engine swap would be and why ... an Austin Healey 3000 and shoving a BMW S54 into it. Put it on ITBs and do a bit of work ...

‘Oletha is the car we wish BMW had built’ is how Smit Vehicle Engineering, brothers Kaess and Willem, describe their handiwork. ‘An uncompromised synthesis of BMW’s greatest design ...

It's been like that for decades, but the German manufacturer needed to modernize at the turn of the century, introducing the S54 engine. Despite marketing as the high-performance equivalent to ...

Because these S engines were an offshoot of other engines, you may think that the S54 would simply be the high-performance version of the M54 engine that was also released in the year 2000.

When new, the S54 engine required a running-in service at 1,200 miles to swap from the thinner initial oil used to bed in the engine to the proper 10W-60 Castrol oil recommended by BMW.