316 i with gasoline straight-4 1.6 L 121 HP engine (2007.9–2011.12)
170 A170 A170 A
320 i with gasoline straight-4 2.0 L 154 HP engine (2007.3–2011.12)
170 A170 A170 A
320 i with gasoline straight-4 2.0 L 154 HP engine (2007.3–2011.12)
170 A170 A170 A
320 i with gasoline straight-4 2.0 L 154 HP engine (2007.3–2011.12)
170 A170 A170 A
320 i with gasoline straight-4 2.0 L 154 HP engine (2007.3–2011.12)
170 A170 A170 A
320 i with gasoline straight-4 2.0 L 154 HP engine (2007.3–2011.12)
170 A170 A170 A
325 i with gasoline straight-6 2.5 L 215 HP engine (2005.1–2011.12)
155 A155 A155 A
325 xi with gasoline straight-6 2.5 L 215 HP engine (2005.1–2011.12)
180 A180 A180 A
330 xd with diesel straight-6 3.0 L 228 HP engine (2005.9–2011.12)
180 A180 A180 A
335 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2011.12)
180 A180 A180 A
335 i with gasoline straight-6 3.0 L 302 HP engine (2006.9–2011.12)
180 A180 A180 A
335 i with gasoline straight-6 3.0 L 302 HP engine (2006.9–2011.12)
180 A180 A180 A
All other modifications
150 A150 A150 A
expand_moreAlternator manufacturer
330 d with diesel straight-6 3.0 L 241 HP engine (2009.1–2011.12)
Valeo
All other modifications
DENSO
expand_moreAlternator power
325 i with gasoline straight-6 2.5 L 215 HP engine (2005.1–2011.12)
2.91 hp2.91 hp2.17 kW
325 xi with gasoline straight-6 2.5 L 215 HP engine (2005.1–2011.12)
3.38 hp3.38 hp2.52 kW
330 xd with diesel straight-6 3.0 L 228 HP engine (2005.9–2011.12)
3.38 hp3.38 hp2.52 kW
335 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2011.12)
3.38 hp3.38 hp2.52 kW
335 i with gasoline straight-6 3.0 L 302 HP engine (2006.9–2011.12)
3.38 hp3.38 hp2.52 kW
335 i with gasoline straight-6 3.0 L 302 HP engine (2006.9–2011.12)
3.38 hp3.38 hp2.52 kW
All other modifications
2.82 hp2.82 hp2.1 kW
expand_moreBattery capacity
318 d with diesel straight-4 2.0 L 121 HP engine (2005.9–2011.12)
80 A⋅h80 A⋅h80 A⋅h
320 d with diesel straight-4 2.0 L 161 HP engine (2005.1–2011.12)
80 A⋅h80 A⋅h80 A⋅h
320 d with diesel straight-4 2.0 L 161 HP engine (2005.1–2011.12)
80 A⋅h80 A⋅h80 A⋅h
320 si with gasoline straight-4 2.0 L 170 HP engine (2006.5–2011.12)
46 A⋅h46 A⋅h46 A⋅h
325 d with diesel straight-6 3.0 L 194 HP engine (2006.9–2011.12)
90 A⋅h90 A⋅h90 A⋅h
330 d with diesel straight-6 3.0 L 228 HP engine (2005.9–2011.12)
90 A⋅h90 A⋅h90 A⋅h
335 d with diesel straight-6 3.0 L 282 HP at 4000 RPM, 560 N⋅m at 2000 RPM engine (2006.9–2011.12)
90 A⋅h90 A⋅h90 A⋅h
All other modifications
70 A⋅h70 A⋅h70 A⋅h
Battery voltage
12 V12 V12 V
Specifications of electrical components installed in 2011 BMW 3 Series Sedan.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2011 BMW 3 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.
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 3 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 2011 BMW 3 Series Sedan you're not only saving money, but also also improving your technical skills and learning something new.
2011 BMW 3 Series Sedan generations
In 2011 BMW offered 2 generations of the 3 Series Sedan. Electrical system specifications may vary in different generations. Be sure that you are looking at the rigt modification.