In 1985 the B9 received the engine from B6 3,5 and the name was changed to B10 3,5.

A total of 77 cars were made.

The B10 3.5 has the same engine as the B6 3,5. Go to the 3-series section to read more about it.
The engine produces 261 bhp in non-catalyst form and 254 bhp with catalyst.

The B10 3.5 has a 5-speed Getrag gearbox. A automatic gearbox was optional.

The B10 3.5 has progressive springs and Bilstein gas-pressure dampers.
Wheels are 16 inch with 205/55 tires at front and 225/50 at rear.

The brakes are uprated at front with bigger, ventilated discs(284 mm).

Interior changes include Alpina upholstery, Recaro sportseats, a leather-covered steering-wheel, a new gearknob and new instruments.

To ensure high speed stability, Alpina fitted front and rear spoiler.

For the B10 3.5, Alpina claimed a 0-100 km/h time of 6,4 seconds and a top speed of 250 km/h.