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BMS BMW N54 JB3->JB4 Power Wire
JB3->JB4 power wire
This power wire is required if updating from a JB3 harness.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
CompatibilityBMW N54 JB4
BMS do not offer warranty on this item.
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