Help with a present

Hi

I was wondering if you guys could help me. I'm looking to buy my brother a present something for his 335i in the states.

Could you recommend something I could buy for him. Price range not more than 5k.

He is in the states so that makes things easy with shipping.

He already has dp, proceed chip, forged diverted valves, charge pipe, intercooler. Could you recommend something I can buy for him, performance or not. Just something for his x35.

Was thinking about a steering wheel. Was just too late to nab the one that was being sold recently.

His car is an e92 '08 335i

Thanks

Any help is appreciated!!

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