I was about to call this $98,000 2018 BMW M550i with Dinan’s Stage 1 tune a “sleeper”, but the quartet of fatty exhaust pipes and 20-inch Forgeline wheels will definitely wake you up. It’s ...

The 2013 BMW 550i is $62,625 while the full Dinan upgrade costs $38,773, including the visual upgrades. For comparison, the 2013 M5 rolls off the lot for nine grand less, at $92,425. Full pricing ...

The last time the Dinan name graced the pages of Autoblog, Michael Harley was waxing poetic about the S3-R BMW 1M Coupe, a car that still stands in his ranks as one of the best cars he's ever driven.

Dinan cars carry a four-year, 50,000-mile warranty to match BMW’s, which is good, because such mods ordinarily void manufacturer warranties. If the M5 is stinking fast, the S2 reeks of power.

Dinan BMW 135i Stage 3: The 135i that BMW should have built Dinan's 135i slingshots to 60 mph in 4.5 seconds and blasts through the quarter mile in 13 flat at 109.1 mph. By Andrew Bornhop ...

For your 40-large, Dinan will take the 5.0L V10 that powers the “standard” M5/M6 and bore and stroke it to 5.7 liters. The end result is a legitimate road beast that cranks out 628 hp and 482 ...

This 2007 BMW E60 M5 Dinan 5.8 Stroker in Colorado boasts 142,000 miles and a rare Dinan conversion from 97k.With HRE wheels, Brembo brakes, and extensive recent maintenance, this fully modded ...

A high-revving, sweet-sounding V-8 is a marvelous thing, and BMW's 4.0-liter V-8 in the M3 is a prime example. The tuners at Dinan, however, weren't satisfied with the factory-supplied 414 ...

With 735 horsepower and a Dinan-tuned suspension, the CarBahn BMW M4 is a precision-guided sledgehammer. Okay, so what the ...

BMW tuner Dinan Engineering grinds an edge back onto the M4. Read our impressions, ... and a serious cut in our 5-to-60-mph test, from 4.7 seconds down to 4.1, and in the run to 160 mph, ...

I've driven a DINAN-modified BMW before, a 5-Series, and while that was plenty bonkers, it at least pretended to be a civilized being in public. That's not the case with the little 1-series.