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JB4 or wait for tune (BM3)?
For someone who has a locked DME, should I go for JB4/RaceChip or wait for a tune such as BM3 to become available (could take forever?)
I had BM3 Stage 2 on my 435 and it was great compared to stock.
Most I would do to the M2 would be tune/piggyback and DP's.
Is JB4 worth it or are tunes flat out superior and worth waiting for?
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2024 BMW M4 Competition XDrive - Tanzanite Blue/Kyalami Orange - AST HAS - RaceChip
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