08-05-2020, 10:48 PM | #1 |
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any suggestion for air filter choices? I failed in gambling...
I bought the mann air filter model c28038 which is fit for 540 740 x3&x4 m40i, but unluckly doesn't fit for z4 m40i.
The official website of mann also left blank about the air filter of z4 g29 m40i. It's way bigger than the stock one and in wrong direction |
08-05-2020, 11:04 PM | #2 |
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I ordered an air filter for the Supra and it dropped right in. Believe it's a K&N
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08-06-2020, 02:32 PM | #4 | |
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Unfortunately, unconsidered variables caused the hypothesis to be incorrect, thus an incorrect air filter was purchased. I similarly did the same thing by purchasing a filter for the A90 Supra when it wasn't listed for the G29 Z4. Thankfully, mine did fit because I thought of those variable that a different chassis could have a different filter. OP made an honest mistake. Posting with the sole intention of belittling other members of the forum is Might I suggest instead of shaming others, be supportive and helpful. It makes the Bimmerpost community a much more enjoyable place to visit casually, come to for assistance and encourages others to not be afraid to ask a simple question Stay classy my friends |
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08-06-2020, 09:31 PM | #5 | |
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I found the sku of K&N air filter is 33-3136. I'm curious about how durable it will be because of the "10 year guarantee". Will you wash it by water(which is way I googled how to clean it) or just throw it away... |
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08-07-2020, 12:12 AM | #6 | |
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08-07-2020, 01:14 AM | #7 | |
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I also found that there're chances to pollute some sensors by the "oil". I won't risk that. |
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08-07-2020, 11:08 AM | #8 |
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K&N filters have proven to filter poorly in the past.....coupled with reports of fouled sensors, etc. I'd never use one, particularly not on a forced induction motor. This was a well known issue on the turbodiesel forum I used to frequent. My advice would be to stick with stock or a least a stock type filter.
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08-07-2020, 12:09 PM | #9 | |
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08-13-2020, 09:43 AM | #10 |
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