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 ...

The total Dinan S3 package adds $16,719 to the price of a 1M, and my test vehicle had a few additional optional parts, like performance wheels, Brembo brakes and BMW Carbon Fiber exterior trim ...

It also means that Dinan performance enhancements, and the cars they have been installed in, are covered for up to four years or 50,000 miles, which includes any potential consequential damage.

What if we told you Steve Dinan's latest BMW is (almost) a Porsche GT3 RS (minus the aero) for half the cash? Yeah, that’s right, real drivers will want one.

Dinan does not change the BMW drive modes, ... After the first few minutes in the driver’s seat, the Dinan M235i feels like the honest performance coupe that we’ve missed since the 1 Series M.

One of the latest performance packages from Dinan is the S2 upgrade for the all-wheel drive 550xi. It doesn't gut the car and turn it into an all-out track rat. Nor does it boost the car into ...

2013 Dinan BMW 550xi S2 Drive Review; ... BMW M Performance carbon-fiber rear spoiler, mirror caps and black kidney grille, as well as Dinan floor mats and pedal-pad set.

To get all this newfound grunt to the road, Dinan fitted a lightweight clutch assembly that is nearly 15 pounds lighter than BMW's dual-mass unit yet has a 20-percent-greater clamping force.

Dinan’s BMW S2 M2 relies on plenty of good old-fashioned hot rod hardware, but unlocking the car’s performance potential also involves a solid amount of Silicon Valley-style software engineering.

Steve Dinan has been enhancing BMW models since 1979. ... Add another $38,773 for the full complement of Dinan upgrades on our test vehicle, and the BMW Performance carbon fiber body components.

Following in the footsteps of the Dinan S3-R BMW 1M Coupe, the latest from Dinan is the S1, a $10,984 package that spices up the BMW M4 (which starts at $64,200) and transforms it into nothing ...

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 ...