Known problems
What goes wrong on the BMW N63 (4.4L V8 turbo)
major
High Oil Consumption and Valve Stem Seal Leaks
Known for heavy oil consumption, leaking valve stem seals (blue smoke on start-up) and heat damage from the turbos.
Typical repair cost
$3,000 – $7,000
major
Timing Chain Stretch
The timing chains stretch, setting cam timing codes.
Typical repair cost
$5,000 – $9,000
Which of these apply to your BMW N63 (4.4L V8 turbo)?
Your guide shows which apply to the exact car, and what to ask the seller.
Where it was used