The E38 facelift (also known as Life-Cycle Impulse) models were introduced in the 1999 model year (produced from September 1998).
The major changes are:
Revised styling for headlights and tail-lights.

740d model introduced, powered by the 3.9L M67 V8 twin-turbocharged diesel engine.

735i and 740i engines upgraded to the "technical update" (TU) version of the M62, featuring variable valve timing on the intake camshaft (single-VANOS).

728i engines upgraded to the "technical update" (TU) version of the M52, featuring variable valve timing on both camshafts (double-VANOS)
Sport Package (ZSP option code) released, including M Sport suspension, Style 37 "M Parallel" alloy wheels, Contour seats and shadowline exterior trim.

DSCIII electronic stability control becomes standard on all 7 Series models.

Head airbags become standard on all 7 Series models.
The E38 facelift (also known as Life-Cycle Impulse) models were introduced in the 1999 model year (produced from September 1998). The major changes are:
Revised styling for headlights and tail-lights.
740d model introduced, powered by the 3.9L M67 V8 twin-turbocharged diesel engine.
735i and 740i engines upgraded to the "technical update" (TU) version of the M62, featuring variable valve timing on the intake camshaft (single-VANOS).
728i engines upgraded to the "technical update" (TU) version of the M52, featuring variable valve timing on both camshafts (double-VANOS)
Sport Package (ZSP option code) released, including M Sport suspension, Style 37 "M Parallel" alloy wheels, Contour seats and shadowline exterior trim.
DSCIII electronic stability control becomes standard on all 7 Series models.
Head airbags become standard on all 7 Series models.
BMW 7 Series (E38)