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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Bm3 for B48 F30 Datalogs
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      10-25-2019, 02:40 PM   #23
chenzhuops2
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Quote:
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Originally Posted by chenzhuops2 View Post
http://www.bootmod3.net/log?id=5d92b356ae729b2cae3138bf
the stock 98gasoil

The ignition has improved a lot?
Yes. But also lower power, so.. You won't get that high timing on a tune. Depends on ambient temps too.

For comparison here's a couple of mine (also B48) on 91 stage 2 beta tune, running 98 octane fuel.

June (high ambient temperature):
http://www.bootmod3.net/log?id=5d0df5c0c090c611aedbcfde

Recent (only +5c):
http://www.bootmod3.net/log?id=5d9b2951c090c61ab1d89b59
B48 engine should be 530 oil or 540 oil?
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      10-26-2019, 02:41 AM   #24
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B48 engine should be 530 oil or 540 oil?
I let BMW handle that, and I would refer to your service manual, but I'm pretty sure its 5W-30.
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      10-26-2019, 12:14 PM   #25
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B48 engine should be 530 oil or 540 oil?
I let BMW handle that, and I would refer to your service manual, but I'm pretty sure its 5W-30.
I am using motul xmax 040 full synthetic oil. Do you have a good choose? BMW original is castrol oil?
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      10-31-2019, 08:35 PM   #26
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why your 98 RON gas quality is so bad?

I'm also in China, here is my log which is logged in the summer (about 30 C degrees above)

http://www.bootmod3.net/log?id=5d4f9c25ae729b5066de3c89
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      11-03-2019, 01:45 PM   #27
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why your 98 RON gas quality is so bad?

I'm also in China, here is my log which is logged in the summer (about 30 C degrees above)

http://www.bootmod3.net/log?id=5d4f9c25ae729b5066de3c89
哥们儿哪里人?我在北京 刷bm3之前原厂跑log就有爆震 刷了bm3之后也有爆震在1500-2500转连续爆震非常严重 但是听不到发动机异常 我看过你的帖子 也看过你得log 几乎很健康而且点火也不低 我刷了之后还有点火低的问题
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      11-07-2019, 02:30 AM   #28
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Quote:
Originally Posted by chenzhuops2 View Post
哥们儿哪里人?我在北京 刷bm3之前原厂跑log就有爆震 刷了bm3之后也有爆震在1500-2500转连续爆震非常严重 但是听不到发动机异常 我看过你的帖子 也看过你得log 几乎很健康而且点火也不低 我刷了之后还有点火低的问题
我在上海,98号汽油跑Oct 91的map没问题,应该95号汽油也够了
你是中石油还是中石化加的油?
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      11-07-2019, 11:18 AM   #29
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Quote:
Originally Posted by haibebei View Post
Quote:
Originally Posted by chenzhuops2 View Post
哥们儿哪里人?我在北京 刷bm3之前原厂跑log就有爆震 刷了bm3之后也有爆震在1500-2500转连续爆震非常严重 但是听不到发动机异常 我看过你的帖子 也看过你得log 几乎很健康而且点火也不低 我刷了之后还有点火低的问题
我在上海,98号汽油跑Oct 91的map没问题,应该95号汽油也够了
你是中石油还是中石化加的油?
中石化啊 最重要的就是我原厂低转速也爆震 这点儿让我有点儿郁闷 其他倒还好 你看过我的log了么?

http://www.bootmod3.net/log?id=5d92b356ae729b2cae3138bf 原厂98号油
http://www.bootmod3.net/log?id=5da6d01cc090c64ea9e1603e acn91 98号油
你看看
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      11-07-2019, 11:19 AM   #30
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Quote:
Originally Posted by haibebei View Post
Quote:
Originally Posted by chenzhuops2 View Post
哥们儿哪里人?我在北京 刷bm3之前原厂跑log就有爆震 刷了bm3之后也有爆震在1500-2500转连续爆震非常严重 但是听不到发动机异常 我看过你的帖子 也看过你得log 几乎很健康而且点火也不低 我刷了之后还有点火低的问题
我在上海,98号汽油跑Oct 91的map没问题,应该95号汽油也够了
你是中石油还是中石化加的油?
我换了ngk 94201火花塞 换了mkl300头段 用了bmc风格 就这些了
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      11-07-2019, 10:14 PM   #31
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我换了ngk 94201火花塞 换了mkl300头段 用了bmc风格 就这些了
你把火花塞换了试试?原厂的timing看起来还好啊。
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      11-08-2019, 07:52 AM   #32
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Quote:
Originally Posted by haibebei View Post
Quote:
Originally Posted by chenzhuops2 View Post
我换了ngk 94201火花塞 换了mkl300头段 用了bmc风格 就这些了
你把火花塞换了试试?原厂的timing看起来还好啊。
火花塞已经是新的ngk94201了啊 我这acn91感觉点火是不是有点儿低
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      11-08-2019, 07:53 AM   #33
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Quote:
Originally Posted by haibebei View Post
Quote:
Originally Posted by chenzhuops2 View Post
我换了ngk 94201火花塞 换了mkl300头段 用了bmc风格 就这些了
你把火花塞换了试试?原厂的timing看起来还好啊。
而且你刷完了有没有变速箱脱档的问题?一千多转在三档特别难受
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      11-08-2019, 08:14 PM   #34
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而且你刷完了有没有变速箱脱档的问题?一千多转在三档特别难受
会拖档的,在1000转左右。用换挡拨片降档或者切sport模式解决
ACN91的log看起来比普通91好一些,但是动力会差些
北京中石化的油品这么差的么。。。。
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      11-08-2019, 10:02 PM   #35
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Quote:
Originally Posted by haibebei View Post
Quote:
Originally Posted by chenzhuops2 View Post
而且你刷完了有没有变速箱脱档的问题?一千多转在三档特别难受
会拖档的,在1000转左右。用换挡拨片降档或者切sport模式解决
ACN91的log看起来比普通91好一些,但是动力会差些
北京中石化的油品这么差的么。。。。
你觉得我原厂低转速爆震会是什么问题呢?不知道跟什么有关系啊 机油xmax 0w40不知跟机油是否有关系?oct91比acn91强很多么
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