First there is several variants of this throw and each will do something a bit different. If this is the smoke you want from this then aim on the outside of the metal bars at the level of the antenna that's to its right.

Nade Time till goes off : 7 seconds
Smoke fade: 25 seconds after throw

Nade Ranking (stars are rated as 5 is the worst and 0 is the best, so the more stars the more challenge/time/difficulty/risk)

Setup Time: ★★★☆☆ (approx. 7-8 seconds)
Practice till Flawless execute: ★★★☆☆ (approx. 5-10 attempts till you can hit it regularly)
Cost of Failure: ★★★☆☆ (Goes out of map, or smokes van)
Throw Difficulty: ★★★☆☆ (pretty easy with practice)

Nade Overall Rating: ★Intermediate★
|| Intermediate- Someone who practices occasionally ||