Quote:
Originally Posted by drift90
"BMW e90 328xi 70-138mph
Road was level
Really slow 
It's limited to 138 because of the tires it came with from BMW.
Mods that make a difference:
Intake
Muffler delete (lose a little hp due to less back pressure on engine)
19" rims " |
It's limited to 138 because of the tires? sure about that?