The D5 BiTurbo is based on the BMW 535d.

In September 2011, at the IAA motorshow, the D5 BiTurbo was introduced, both as Limousine and Touring versions. The D5 BiTurbo is the first 5-series based Alpina diesel since the revolutionary D10 BiTurbo.

In September 2013, at the IAA motorshow, the LCI version of the D5 BiTurbo was introduced.

In early 2017, production of the D5 BiTurbo ended.

The engine in the D5 BiTurbo is based on the BMW 535d engine, which retains stock engine block and internal parts. It has been modified to 350hp and 700Nm. Heat management is improved by installing the additional cooling package from the hot-climate version of the 535d, as well as extensive custom Alpina air ducting and intercooler. Additionally, the D5 BiTurbo has a custom exhaust.

The engine was later also used in the D3 BiTurbo, D4 BiTurbo and XD3 BiTurbo.

The only available gearbox is the 8-speed Sport-Automatic transmission (ZF 8HP70) with Switchtronic.

Optionally, a Drexler limited slip differential is available.

The D5 BiTurbo has adaptive M sport suspension with electronically adjustable dampers. The suspension is modified with Alpina settings and springs. The wheel carriers are heavy-duty items sourced from the BMW 7-series. The stabilizers are similar to the M550dX.

Wheels are 20-inch Alpina Classic wheels with 255/35 and 285/30 Michelin Pilot Super Sport tires.

The front brakes are sourced from the high-speed version of the F01 750i. The rear brakes are from the F10 550i.

The D5 BiTurbo undergoes the same interior changes as usual with Alpina. Cluster gauges are custom Alpina with classic blue background combined with steering wheel trimmed in Lavalina leather. Additionally, interior trim is fine Alpina wood or piano lacquer with Alpina logos. A no-cost option are Alpina badges in the seats. Optionally, a custom interior in Lavalina leather can be ordered.

For the exterior, the changes are limited to an Alpina Type 860 frontspoiler, rear diffusor and Alpina badges on the rear. The sedan version has an Alpina Type 858 rearspoiler, the touring version has an Alpina 896 rearspoiler either color-coded or clear carbon. A non-cost option is the classic Alpina decor on sides of the car and frontspoiler. Available exterior colors include Alpina Blue and Alpina Green II.

Acceleration from 0-100kph is 5,1 seconds.

Topspeed is 278kph for the sedan and 276kph for the Touring version.