What do you think is the best 1 series engine from a tuning point of view?
Has anyone on here done an engine swap with something from a 3 series?
Has anyone on here done an engine swap with something from a 3 series?
Thread starter | Title | Forum | Replies | Date |
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1 Series owners intro thread | 1 series | 0 | ||
S | BMW M47N2 engine prob | 1 series | 26 |