What are the specifications for the 19-inch rims on the BMW 5 Series?
3 Answers
The BMW 5 Series is equipped with two tire configurations: one features front tires sized 245/40R19 and rear tires sized 275/35R19, while the other has both front and rear tires sized 245/45R18. The BMW 5 Series is powered by two engines: a low-power version of the 2.0-liter turbocharged engine and a high-power version of the 2.0-liter turbocharged engine. High-power version engine: The high-power 2.0-liter turbocharged engine delivers 252 horsepower and a maximum torque of 350 Nm. This engine reaches its peak power at 5,200 to 6,500 rpm and its maximum torque at 1,450 to 4,800 rpm. It features direct fuel injection technology and uses an aluminum alloy cylinder head and block. Low-power version engine: The low-power 2.0-liter turbocharged engine produces 184 horsepower and a maximum torque of 290 Nm. This engine achieves its peak power at 5,000 to 6,500 rpm and its maximum torque at 1,350 to 4,250 rpm. It also incorporates direct fuel injection technology and uses an aluminum alloy cylinder head and block.
As a car enthusiast, I'm quite familiar with the specs of BMW 5 Series 19-inch wheels. The wheel size is 19 inches, with common front wheel width being 8J (indicating 8 inches) and rear wheel width 9J. The bolt pattern PCD is 5x120 (meaning 5 lug holes distributed on a 120mm diameter circle), with a center bore diameter of approximately 72.5mm. The offset ET value is typically ET28 for front wheels and ET36 for rear wheels. These specifications ensure secure wheel installation without rubbing against the body or affecting handling. I remember once helping a friend with modifications using OZ wheels matching these values - the car gained better traction; but if the offset is wrong, like ET being too low, you'd feel drifting during high-speed cornering. For tire pairing, 225-width front tires and 255-width rear tires are most suitable, and don't forget to check that the bolts are M14 threaded. Regular wheel maintenance is crucial, especially cleaning the rims after rain to prevent corrosion.
After years of driving a BMW 5 Series, I've found that 19-inch wheel specifications are crucial. The size is 19 inches, with a bolt pattern of 5x120, a center bore of 72.5mm, and an offset of approximately ET28 for the front wheels and ET36 for the rear. Mismatched data can cause vibrations or premature tire wear. When I last changed my wheels, I almost chose the wrong bolt pattern, resulting in a humming noise at high speeds. Fortunately, sticking to OEM values is safe, and wheel labels can be checked on the back. I recommend owners measure the dimensions during maintenance or compare them with the BMW manual when purchasing wheels. Properly matched wheels enhance driving safety and comfort—remember to pair them with 225 front and 255 rear tire sizes to avoid fender rubbing. If modifying wheels, test-fit them first to ensure they don't protrude too much from the body.
