2008 BMW 5 Series Sedan Fifth generation LCI Electrical System Specifications

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Condition Value
expand_moreAlternator charging current
520 i with gasoline straight-6 2.2 L 168 HP engine (2003.7–2010.3) 150 A
523 i with gasoline straight-6 2.5 L 174 HP engine (2005.7–2010.3) 155 A
525 i with gasoline straight-6 2.5 L 189 HP engine (2003.9–2010.3) 150 A
525 i with gasoline straight-6 2.5 L 215 HP engine (2005.7–2010.3) 155 A
525 xi with gasoline straight-6 2.5 L 215 HP engine (2005.7–2010.3) 155 A
expand_more530 i with gasoline straight-6 3.0 L 228 HP engine (2003.7–2010.3)
Variant 1 155 A
Variant 2 150 A
530 i with gasoline straight-6 3.0 L 255 HP engine (2005.7–2010.3) 155 A
530 xi with gasoline straight-6 3.0 L 255 HP engine (2005.7–2010.3) 155 A
535 d with diesel straight-6 3.0 L 268 HP engine (2004.9–2010.3) 155 A
All other modifications 170 A
expand_moreAlternator power
520 i with gasoline straight-6 2.2 L 168 HP engine (2003.7–2010.3) 2.82 hp
523 i with gasoline straight-6 2.5 L 174 HP engine (2005.7–2010.3) 2.91 hp
525 i with gasoline straight-6 2.5 L 189 HP engine (2003.9–2010.3) 2.82 hp
525 i with gasoline straight-6 2.5 L 215 HP engine (2005.7–2010.3) 2.91 hp
525 xi with gasoline straight-6 2.5 L 215 HP engine (2005.7–2010.3) 2.91 hp
530 i with gasoline straight-6 3.0 L 255 HP engine (2005.7–2010.3) 2.91 hp
530 xi with gasoline straight-6 3.0 L 255 HP engine (2005.7–2010.3) 2.91 hp
All other modifications 3.19 hp
expand_moreBattery capacity
525 d with diesel straight-6 2.5 L 174 HP engine (2004.6–2010.3) 90 A⋅h
530 d with diesel straight-6 3.0 L 215 HP engine (2003.7–2010.3) 90 A⋅h
expand_more530 i with gasoline straight-6 3.0 L 228 HP engine (2003.7–2010.3)
Variant 1 80 A⋅h
Variant 2 90 A⋅h
Variant 3 110 A⋅h
530 xd with diesel straight-6 3.0 L 228 HP engine (2005.7–2010.3) 90 A⋅h
535 d with diesel straight-6 3.0 L 268 HP engine (2004.9–2010.3) 90 A⋅h
540 i with gasoline V8 4.0 L 302 HP engine (2005.7–2010.3) 90 A⋅h
expand_more545 i with gasoline V8 4.4 L 329 HP engine (2003.9–2010.3)
Variant 2 110 A⋅h
Otherwise 90 A⋅h
550 i with gasoline V8 4.8 L 362 HP engine (2005.7–2010.3) 90 A⋅h
550 i with gasoline V8 4.8 L 362 HP engine (2005.7–2010.3) 90 A⋅h
All other modifications 80 A⋅h
Battery voltage 12 V
expand_moreStarter power
BMW gasoline straight-6 3.0 L M54 B30 (306S3) 228 HP 1.88 hp
expand_moreBMW gasoline V8 4.4 L N62 B44 A 329 HP
Variant 1 2.15 hp
Variant 2 2.28 hp

Specifications of electrical components installed in 2008 BMW 5 Series Sedan.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2008 BMW 5 Series Sedan user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and BMW warranty policy for your region. In some regions DIY service may invalidate your warranty.

Table of Contents

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow BMW 5 Series Sedan service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2008 BMW 5 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.

BMW 5 Series Sedan Fifth generation LCI model years

Units:
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