7421578 535183CA4 BIXF25 TMS Module

7421578 535183CA4 BIXF25 TMS Driver module ballast for xenon light headlights

LEAR 535183CA4 TMS BIXF25 module is factory fitted on BMW X3 F25 LCI Facelift and F26 X4 cars with standard xenon headlamps without curve light option (AHL) also known as adaptive headlights.

How to identify if your 7421578 01 headlight driver module has failed, there are few easy steps.

First of all check all the fuses, if they are in working order, secondly check what kind of malfunctions or on-board computer errors are poping up.

When both bmw halo rings (Angel Eyes) stop to work, front indicators (turn signal) don't work anymore then it is definitely that TMS module has failed.

LEAR BIXF25 BIX F25 TMS Driver Module fits only Xenon also known as Bi-Xenon (Bixenon) headlamps.

Please double check provided BMW and LEAR part numbers to make sure it is correct part for your car.

The most common BMW warning messages

• Side/daytime lights fault

BMW part numbers

• 7421578 01
• 742157801

LEAR part numbers

• 535183CA4 01
• 535183CA401

More compatible part numbers

• BIXF25 BIX F25
• 7421578 01
• 742157801
• 7363098
• 63117421578
• 63117363098
• 7316151 03
• 731615103

Compatible BMW cars:

• X3 F25 LCI Facelift SUV 2014 2015 2016 2017
• xDrive20i xDrive28i (3.0) xDrive28i (2.0T) xDrive35i
• sDrive18d xDrive20d xDrive30d xDrive35d
• X4 F26 SUV 2014 2015 2016 2017 2018
• xDrive20i xDrive28i xDrive35i M40i petrol gasoline
• xDrive20d xDrive30d xDrive35d diesel