Once again we have the famous tuning company Dinan, a well known tuning house which specializes in tuning all BMW cars. They have now introduced the much awaited Stage 2 Performance Engine Software..

Dinan says that the gains are 105hp and 98 lb-ft of torque, at least on paper. The Dinan dyno says that BMW underrates the M4 from the factory making real gains at the wheels more like 46hp and 58 ...

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 ...

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.

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.

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 ...

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 ...

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 ...

For the F10 550i, the D-Tronics Performance Tuner is available in Stage 1, Stage 2 and Stage 3 variants, prices ranging from $2,999 to $3,249 and $3,499 respectively.

With 735 horsepower and a Dinan-tuned suspension, the CarBahn BMW M4 is a precision-guided sledgehammer. Okay, so what the hell is a CarBahn? And what does it have to do with this $135,000, 735 ...

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 ...

Probably the most famous BMW tuner in the US, DINAN Engineering just announced a new set of Performance Springs are now available for F30 3 Series models. Compatible with both the 328i and 335i ...